/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:14:16,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:14:16,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:14:16,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:14:16,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:14:16,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:14:16,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:14:16,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:14:16,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:14:16,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:14:16,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:14:16,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:14:16,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:14:16,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:14:16,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:14:16,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:14:16,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:14:16,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:14:16,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:14:16,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:14:16,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:14:16,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:14:16,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:14:16,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:14:16,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 16:14:16,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 16:14:16,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 16:14:16,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 16:14:16,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 16:14:16,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 16:14:16,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:14:16,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:14:16,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:14:16,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:14:16,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:14:16,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:14:16,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:14:16,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:14:16,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:14:16,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:14:16,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:14:16,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:14:16,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:14:16,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:14:16,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:14:16,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:14:16,383 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:14:16,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:14:16,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:14:16,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:14:16,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:14:16,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:14:16,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:14:16,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:14:16,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:14:16,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:14:16,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:14:16,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:14:16,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:14:16,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:14:16,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:14:16,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:14:16,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:14:16,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:14:16,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:14:16,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:14:16,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:14:16,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:14:16,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:14:16,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:14:16,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:14:16,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:14:16,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:14:16,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:14:16,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:14:16,824 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:14:16,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2021-02-21 16:14:16,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae989e05/f0d4b2c4c9e549aea30416b0f00f0476/FLAGa1b31632a [2021-02-21 16:14:17,714 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:14:17,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i [2021-02-21 16:14:17,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae989e05/f0d4b2c4c9e549aea30416b0f00f0476/FLAGa1b31632a [2021-02-21 16:14:17,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae989e05/f0d4b2c4c9e549aea30416b0f00f0476 [2021-02-21 16:14:17,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:14:17,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:14:17,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:14:17,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:14:17,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:14:17,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:17" (1/1) ... [2021-02-21 16:14:17,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469b3b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:17, skipping insertion in model container [2021-02-21 16:14:17,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:17" (1/1) ... [2021-02-21 16:14:17,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:14:18,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:14:18,414 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[23986,23999] [2021-02-21 16:14:18,426 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[24106,24119] [2021-02-21 16:14:18,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:14:18,448 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:14:18,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[23986,23999] [2021-02-21 16:14:18,540 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i[24106,24119] [2021-02-21 16:14:18,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:14:18,625 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:14:18,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18 WrapperNode [2021-02-21 16:14:18,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:14:18,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:14:18,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:14:18,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:14:18,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (1/1) ... [2021-02-21 16:14:18,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:14:18,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:14:18,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:14:18,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:14:18,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (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 [2021-02-21 16:14:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:14:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:14:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:14:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:14:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:14:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2021-02-21 16:14:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2021-02-21 16:14:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:14:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:14:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:14:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:14:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:14:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:14:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:14:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:14:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:14:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:14:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-21 16:14:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-21 16:14:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-21 16:14:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-21 16:14:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-21 16:14:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-21 16:14:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-21 16:14:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-21 16:14:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-21 16:14:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-21 16:14:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-21 16:14:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-21 16:14:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-21 16:14:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-21 16:14:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-21 16:14:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-21 16:14:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-21 16:14:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-21 16:14:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-21 16:14:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-21 16:14:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-21 16:14:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-21 16:14:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-21 16:14:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-21 16:14:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-21 16:14:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-21 16:14:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-21 16:14:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-21 16:14:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-21 16:14:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-21 16:14:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-21 16:14:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-21 16:14:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-21 16:14:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 16:14:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-21 16:14:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 16:14:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-21 16:14:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-21 16:14:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-21 16:14:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-21 16:14:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-21 16:14:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-21 16:14:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-21 16:14:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-21 16:14:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-21 16:14:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-21 16:14:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-21 16:14:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-21 16:14:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-21 16:14:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-21 16:14:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-21 16:14:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-21 16:14:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-21 16:14:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-21 16:14:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-21 16:14:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-21 16:14:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-21 16:14:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-21 16:14:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-21 16:14:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-21 16:14:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-21 16:14:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-21 16:14:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-21 16:14:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:14:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2021-02-21 16:14:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 16:14:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:14:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:14:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:14:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:14:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:14:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:14:19,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:14:19,595 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-21 16:14:19,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:19 BoogieIcfgContainer [2021-02-21 16:14:19,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:14:19,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:14:19,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:14:19,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:14:19,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:14:17" (1/3) ... [2021-02-21 16:14:19,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105c5290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:14:19, skipping insertion in model container [2021-02-21 16:14:19,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:18" (2/3) ... [2021-02-21 16:14:19,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105c5290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:14:19, skipping insertion in model container [2021-02-21 16:14:19,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:19" (3/3) ... [2021-02-21 16:14:19,619 INFO L111 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2021-02-21 16:14:19,627 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:14:19,633 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-02-21 16:14:19,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-02-21 16:14:19,690 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:14:19,691 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:14:19,691 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:14:19,691 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:14:19,691 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:14:19,691 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:14:19,692 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:14:19,692 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:14:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2021-02-21 16:14:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-02-21 16:14:19,724 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:14:19,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:14:19,725 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:14:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:14:19,734 INFO L82 PathProgramCache]: Analyzing trace with hash 448478342, now seen corresponding path program 1 times [2021-02-21 16:14:19,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:14:19,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798045419] [2021-02-21 16:14:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:14:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:19,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:19,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:19,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:19,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:14:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 16:14:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:14:20,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798045419] [2021-02-21 16:14:20,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:14:20,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 16:14:20,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548417891] [2021-02-21 16:14:20,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 16:14:20,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:14:20,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 16:14:20,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 16:14:20,163 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states. [2021-02-21 16:14:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:14:20,385 INFO L93 Difference]: Finished difference Result 57 states and 77 transitions. [2021-02-21 16:14:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 16:14:20,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2021-02-21 16:14:20,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:14:20,401 INFO L225 Difference]: With dead ends: 57 [2021-02-21 16:14:20,401 INFO L226 Difference]: Without dead ends: 32 [2021-02-21 16:14:20,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:14:20,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-02-21 16:14:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-02-21 16:14:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-02-21 16:14:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2021-02-21 16:14:20,459 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 16 [2021-02-21 16:14:20,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:14:20,460 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-02-21 16:14:20,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 16:14:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-02-21 16:14:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-02-21 16:14:20,462 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:14:20,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:14:20,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:14:20,463 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:14:20,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:14:20,464 INFO L82 PathProgramCache]: Analyzing trace with hash 720259532, now seen corresponding path program 1 times [2021-02-21 16:14:20,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:14:20,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537830609] [2021-02-21 16:14:20,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:14:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:20,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:14:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 16:14:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:14:20,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537830609] [2021-02-21 16:14:20,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:14:20,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:14:20,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331741053] [2021-02-21 16:14:20,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:14:20,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:14:20,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:14:20,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:14:20,708 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 5 states. [2021-02-21 16:14:20,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:14:20,848 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2021-02-21 16:14:20,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:14:20,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2021-02-21 16:14:20,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:14:20,851 INFO L225 Difference]: With dead ends: 38 [2021-02-21 16:14:20,851 INFO L226 Difference]: Without dead ends: 28 [2021-02-21 16:14:20,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:14:20,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-02-21 16:14:20,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-02-21 16:14:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-02-21 16:14:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-02-21 16:14:20,861 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 17 [2021-02-21 16:14:20,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:14:20,861 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-02-21 16:14:20,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:14:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-02-21 16:14:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-02-21 16:14:20,863 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:14:20,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 16:14:20,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:14:20,864 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:14:20,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:14:20,865 INFO L82 PathProgramCache]: Analyzing trace with hash 853166419, now seen corresponding path program 1 times [2021-02-21 16:14:20,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:14:20,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564423245] [2021-02-21 16:14:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:14:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:14:20,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:14:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 16:14:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:14:20,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:14:20,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:14:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:14:20,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564423245] [2021-02-21 16:14:20,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:14:20,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:14:20,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535750697] [2021-02-21 16:14:20,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:14:20,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:14:20,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:14:20,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:14:20,972 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 5 states. [2021-02-21 16:14:21,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:14:21,086 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-02-21 16:14:21,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:14:21,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-02-21 16:14:21,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:14:21,087 INFO L225 Difference]: With dead ends: 29 [2021-02-21 16:14:21,087 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:14:21,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:14:21,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:14:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:14:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:14:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:14:21,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-02-21 16:14:21,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:14:21,090 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:14:21,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:14:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:14:21,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:14:21,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:14:21,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:14:21,232 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2021-02-21 16:14:21,233 INFO L189 CegarLoopUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-02-21 16:14:21,233 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 13) no Hoare annotation was computed. [2021-02-21 16:14:21,233 INFO L189 CegarLoopUtils]: For program point create_listEXIT(lines 580 590) no Hoare annotation was computed. [2021-02-21 16:14:21,233 INFO L185 CegarLoopUtils]: At program point create_listENTRY(lines 580 590) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-21 16:14:21,234 INFO L192 CegarLoopUtils]: At program point L587(line 587) the Hoare annotation is: true [2021-02-21 16:14:21,234 INFO L192 CegarLoopUtils]: At program point L587-1(lines 582 588) the Hoare annotation is: true [2021-02-21 16:14:21,234 INFO L192 CegarLoopUtils]: At program point L585(line 585) the Hoare annotation is: true [2021-02-21 16:14:21,234 INFO L189 CegarLoopUtils]: For program point L584(lines 584 587) no Hoare annotation was computed. [2021-02-21 16:14:21,234 INFO L189 CegarLoopUtils]: For program point create_listFINAL(lines 580 590) no Hoare annotation was computed. [2021-02-21 16:14:21,234 INFO L189 CegarLoopUtils]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2021-02-21 16:14:21,234 INFO L189 CegarLoopUtils]: For program point L582-3(lines 582 588) no Hoare annotation was computed. [2021-02-21 16:14:21,235 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:14:21,235 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-21 16:14:21,235 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:14:21,235 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 75 79) no Hoare annotation was computed. [2021-02-21 16:14:21,235 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 75 79) no Hoare annotation was computed. [2021-02-21 16:14:21,235 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 75 79) no Hoare annotation was computed. [2021-02-21 16:14:21,236 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 80 84) no Hoare annotation was computed. [2021-02-21 16:14:21,236 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 80 84) no Hoare annotation was computed. [2021-02-21 16:14:21,236 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 80 84) no Hoare annotation was computed. [2021-02-21 16:14:21,236 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:14:21,236 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 16:14:21,236 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:14:21,236 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point L609(lines 609 610) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point L609-2(lines 609 610) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 591 613) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point L597-2(line 597) no Hoare annotation was computed. [2021-02-21 16:14:21,237 INFO L189 CegarLoopUtils]: For program point L610(line 610) no Hoare annotation was computed. [2021-02-21 16:14:21,238 INFO L189 CegarLoopUtils]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 610) no Hoare annotation was computed. [2021-02-21 16:14:21,238 INFO L189 CegarLoopUtils]: For program point L603-1(lines 591 613) no Hoare annotation was computed. [2021-02-21 16:14:21,238 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-02-21 16:14:21,238 INFO L189 CegarLoopUtils]: For program point L608-1(lines 591 613) no Hoare annotation was computed. [2021-02-21 16:14:21,238 INFO L189 CegarLoopUtils]: For program point L608-2(lines 591 613) no Hoare annotation was computed. [2021-02-21 16:14:21,238 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-21 16:14:21,239 INFO L189 CegarLoopUtils]: For program point L604(lines 604 605) no Hoare annotation was computed. [2021-02-21 16:14:21,239 INFO L189 CegarLoopUtils]: For program point L604-2(lines 604 605) no Hoare annotation was computed. [2021-02-21 16:14:21,239 INFO L185 CegarLoopUtils]: At program point L596-2(lines 596 602) the Hoare annotation is: (and (= 0 main_~high~0.offset) (= main_~low~0.base 0) (= main_~high~0.base 0) (= main_~low~0.offset 0)) [2021-02-21 16:14:21,239 INFO L189 CegarLoopUtils]: For program point L592(line 592) no Hoare annotation was computed. [2021-02-21 16:14:21,239 INFO L189 CegarLoopUtils]: For program point append_to_listEXIT(lines 573 579) no Hoare annotation was computed. [2021-02-21 16:14:21,240 INFO L185 CegarLoopUtils]: At program point append_to_listENTRY(lines 573 579) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-21 16:14:21,240 INFO L189 CegarLoopUtils]: For program point append_to_listFINAL(lines 573 579) no Hoare annotation was computed. [2021-02-21 16:14:21,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:14:21 BoogieIcfgContainer [2021-02-21 16:14:21,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:14:21,261 INFO L168 Benchmark]: Toolchain (without parser) took 3310.43 ms. Allocated memory was 153.1 MB in the beginning and 189.8 MB in the end (delta: 36.7 MB). Free memory was 128.0 MB in the beginning and 88.9 MB in the end (delta: 39.1 MB). Peak memory consumption was 76.6 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:21,262 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 153.1 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:14:21,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.24 ms. Allocated memory is still 153.1 MB. Free memory was 126.9 MB in the beginning and 104.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:21,263 INFO L168 Benchmark]: Boogie Preprocessor took 71.11 ms. Allocated memory is still 153.1 MB. Free memory was 104.4 MB in the beginning and 101.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:21,264 INFO L168 Benchmark]: RCFGBuilder took 900.49 ms. Allocated memory is still 153.1 MB. Free memory was 101.7 MB in the beginning and 95.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:21,265 INFO L168 Benchmark]: TraceAbstraction took 1656.59 ms. Allocated memory was 153.1 MB in the beginning and 189.8 MB in the end (delta: 36.7 MB). Free memory was 95.3 MB in the beginning and 88.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 44.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:14:21,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 153.1 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.24 ms. Allocated memory is still 153.1 MB. Free memory was 126.9 MB in the beginning and 104.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.11 ms. Allocated memory is still 153.1 MB. Free memory was 104.4 MB in the beginning and 101.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 900.49 ms. Allocated memory is still 153.1 MB. Free memory was 101.7 MB in the beginning and 95.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1656.59 ms. Allocated memory was 153.1 MB in the beginning and 189.8 MB in the end (delta: 36.7 MB). Free memory was 95.3 MB in the beginning and 88.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 44.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 610]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((0 == high && low == 0) && high == 0) && low == 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 14 SDslu, 105 SDs, 0 SdLazy, 125 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 91 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 63 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 3140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 correct! Received shutdown request...