/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/heap-data/quick_sort_split.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:21:36,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:21:36,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:21:36,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:21:36,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:21:36,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:21:36,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:21:36,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:21:36,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:21:36,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:21:36,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:21:36,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:21:36,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:21:36,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:21:36,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:21:36,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:21:36,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:21:36,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:21:36,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:21:36,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:21:36,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:21:36,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:21:36,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:21:36,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:21:36,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 05:21:36,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 05:21:36,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 05:21:36,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 05:21:36,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 05:21:36,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 05:21:36,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 05:21:36,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 05:21:36,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 05:21:36,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 05:21:36,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 05:21:36,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 05:21:36,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 05:21:36,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 05:21:36,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:21:36,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:21:36,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:21:36,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:21:37,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:21:37,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:21:37,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:21:37,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:21:37,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:21:37,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:21:37,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:21:37,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:21:37,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:21:37,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:21:37,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:21:37,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:21:37,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:21:37,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:21:37,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:21:37,030 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:21:37,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:21:37,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:21:37,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:21:37,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:21:37,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:21:37,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:21:37,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:21:37,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:21:37,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:21:37,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:21:37,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:21:37,538 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:21:37,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-11-07 05:21:37,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2367952/7db6d6c9584142faa054865734c59ef0/FLAGac1b8f23d [2020-11-07 05:21:38,426 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:21:38,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/quick_sort_split.i [2020-11-07 05:21:38,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2367952/7db6d6c9584142faa054865734c59ef0/FLAGac1b8f23d [2020-11-07 05:21:38,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2367952/7db6d6c9584142faa054865734c59ef0 [2020-11-07 05:21:38,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:21:38,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:21:38,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:21:38,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:21:38,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:21:38,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:38" (1/1) ... [2020-11-07 05:21:38,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1300f03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:38, skipping insertion in model container [2020-11-07 05:21:38,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:38" (1/1) ... [2020-11-07 05:21:38,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:21:38,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:21:39,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:21:39,083 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:21:39,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:21:39,237 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:21:39,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39 WrapperNode [2020-11-07 05:21:39,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:21:39,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:21:39,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:21:39,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:21:39,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... [2020-11-07 05:21:39,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:21:39,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:21:39,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:21:39,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:21:39,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:21:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:21:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:21:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:21:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-07 05:21:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-07 05:21:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2020-11-07 05:21:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure create_list [2020-11-07 05:21:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:21:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:21:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:21:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:21:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-07 05:21:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-07 05:21:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:21:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:21:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-07 05:21:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-07 05:21:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-07 05:21:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-07 05:21:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-07 05:21:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-07 05:21:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-07 05:21:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-07 05:21:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-07 05:21:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-07 05:21:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-07 05:21:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-07 05:21:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-07 05:21:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-07 05:21:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-07 05:21:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-07 05:21:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-07 05:21:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-07 05:21:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-07 05:21:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-07 05:21:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-07 05:21:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-07 05:21:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-07 05:21:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-07 05:21:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-07 05:21:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-07 05:21:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-07 05:21:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-07 05:21:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-07 05:21:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-07 05:21:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-07 05:21:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-07 05:21:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-07 05:21:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-07 05:21:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-11-07 05:21:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-07 05:21:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:21:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-07 05:21:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-07 05:21:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-07 05:21:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-07 05:21:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-07 05:21:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-07 05:21:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-07 05:21:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-07 05:21:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-07 05:21:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-07 05:21:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-07 05:21:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-07 05:21:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-07 05:21:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-07 05:21:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-07 05:21:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-07 05:21:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-07 05:21:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-07 05:21:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-07 05:21:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure create_list [2020-11-07 05:21:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-07 05:21:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:21:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:21:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:21:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:21:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:21:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:21:40,139 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:21:40,139 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-07 05:21:40,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:40 BoogieIcfgContainer [2020-11-07 05:21:40,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:21:40,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:21:40,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:21:40,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:21:40,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:21:38" (1/3) ... [2020-11-07 05:21:40,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b05e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:21:40, skipping insertion in model container [2020-11-07 05:21:40,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:39" (2/3) ... [2020-11-07 05:21:40,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b05e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:21:40, skipping insertion in model container [2020-11-07 05:21:40,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:40" (3/3) ... [2020-11-07 05:21:40,152 INFO L111 eAbstractionObserver]: Analyzing ICFG quick_sort_split.i [2020-11-07 05:21:40,169 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:21:40,174 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:21:40,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:21:40,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:21:40,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:21:40,215 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:21:40,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:21:40,216 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:21:40,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:21:40,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:21:40,216 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:21:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2020-11-07 05:21:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-07 05:21:40,261 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:21:40,262 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] [2020-11-07 05:21:40,262 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:21:40,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:21:40,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1859296780, now seen corresponding path program 1 times [2020-11-07 05:21:40,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:21:40,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244168052] [2020-11-07 05:21:40,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:21:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:21:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-11-07 05:21:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:21:40,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244168052] [2020-11-07 05:21:40,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:21:40,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 05:21:40,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850639389] [2020-11-07 05:21:40,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 05:21:40,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:21:40,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 05:21:40,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 05:21:40,665 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 4 states. [2020-11-07 05:21:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:21:40,965 INFO L93 Difference]: Finished difference Result 142 states and 167 transitions. [2020-11-07 05:21:40,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 05:21:40,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-11-07 05:21:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:21:40,980 INFO L225 Difference]: With dead ends: 142 [2020-11-07 05:21:40,981 INFO L226 Difference]: Without dead ends: 84 [2020-11-07 05:21:40,985 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 [2020-11-07 05:21:41,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-11-07 05:21:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-11-07 05:21:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-07 05:21:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2020-11-07 05:21:41,078 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 35 [2020-11-07 05:21:41,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:21:41,079 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2020-11-07 05:21:41,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 05:21:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2020-11-07 05:21:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-07 05:21:41,086 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:21:41,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:21:41,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:21:41,087 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:21:41,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:21:41,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1331377031, now seen corresponding path program 1 times [2020-11-07 05:21:41,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:21:41,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339314311] [2020-11-07 05:21:41,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:21:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:41,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:21:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-11-07 05:21:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:21:41,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339314311] [2020-11-07 05:21:41,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:21:41,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:21:41,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050751880] [2020-11-07 05:21:41,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:21:41,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:21:41,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:21:41,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:21:41,260 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 5 states. [2020-11-07 05:21:41,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:21:41,533 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-11-07 05:21:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:21:41,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-07 05:21:41,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:21:41,536 INFO L225 Difference]: With dead ends: 97 [2020-11-07 05:21:41,536 INFO L226 Difference]: Without dead ends: 76 [2020-11-07 05:21:41,537 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 [2020-11-07 05:21:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-11-07 05:21:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-11-07 05:21:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-07 05:21:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2020-11-07 05:21:41,553 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 37 [2020-11-07 05:21:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:21:41,554 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2020-11-07 05:21:41,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:21:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2020-11-07 05:21:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-07 05:21:41,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:21:41,557 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, 1] [2020-11-07 05:21:41,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:21:41,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:21:41,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:21:41,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2044660908, now seen corresponding path program 1 times [2020-11-07 05:21:41,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:21:41,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884036684] [2020-11-07 05:21:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:21:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:41,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:21:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-11-07 05:21:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:21:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:21:41,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884036684] [2020-11-07 05:21:41,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:21:41,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:21:41,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631633030] [2020-11-07 05:21:41,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:21:41,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:21:41,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:21:41,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:21:41,722 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 5 states. [2020-11-07 05:21:41,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:21:41,928 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-11-07 05:21:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:21:41,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-11-07 05:21:41,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:21:41,929 INFO L225 Difference]: With dead ends: 77 [2020-11-07 05:21:41,929 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:21:41,930 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 [2020-11-07 05:21:41,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:21:41,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:21:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:21:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:21:41,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-11-07 05:21:41,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:21:41,932 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:21:41,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:21:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:21:41,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:21:41,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:21:41,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:21:42,492 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,492 INFO L269 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,492 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,493 INFO L269 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,493 INFO L269 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,493 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,493 INFO L269 CegarLoopResult]: At program point create_listEXIT(lines 580 590) the Hoare annotation is: true [2020-11-07 05:21:42,493 INFO L269 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: true [2020-11-07 05:21:42,493 INFO L269 CegarLoopResult]: At program point L589-1(line 589) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L587-1(lines 581 588) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L583-1(line 583) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: true [2020-11-07 05:21:42,494 INFO L269 CegarLoopResult]: At program point L583-2(line 583) the Hoare annotation is: true [2020-11-07 05:21:42,495 INFO L269 CegarLoopResult]: At program point L581-2(line 581) the Hoare annotation is: true [2020-11-07 05:21:42,495 INFO L269 CegarLoopResult]: At program point L581-3(line 581) the Hoare annotation is: true [2020-11-07 05:21:42,497 INFO L262 CegarLoopResult]: 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|)) [2020-11-07 05:21:42,498 INFO L269 CegarLoopResult]: At program point L584(lines 584 587) the Hoare annotation is: true [2020-11-07 05:21:42,498 INFO L269 CegarLoopResult]: At program point create_listFINAL(lines 580 590) the Hoare annotation is: true [2020-11-07 05:21:42,498 INFO L269 CegarLoopResult]: At program point L582(lines 582 588) the Hoare annotation is: true [2020-11-07 05:21:42,498 INFO L269 CegarLoopResult]: At program point L582-1(line 582) the Hoare annotation is: true [2020-11-07 05:21:42,498 INFO L269 CegarLoopResult]: At program point L582-3(line 582) the Hoare annotation is: true [2020-11-07 05:21:42,498 INFO L269 CegarLoopResult]: At program point L582-4(lines 582 588) the Hoare annotation is: true [2020-11-07 05:21:42,499 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-11-07 05:21:42,499 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-11-07 05:21:42,499 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,499 INFO L269 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,499 INFO L269 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,499 INFO L269 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,500 INFO L269 CegarLoopResult]: At program point L13-3(line 13) the Hoare annotation is: true [2020-11-07 05:21:42,501 INFO L262 CegarLoopResult]: 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|)) [2020-11-07 05:21:42,501 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point __bswap_32ENTRY(lines 75 79) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point __bswap_32FINAL(lines 75 79) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point __bswap_32EXIT(lines 75 79) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point __bswap_64ENTRY(lines 80 84) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point __bswap_64FINAL(lines 80 84) no Hoare annotation was computed. [2020-11-07 05:21:42,502 INFO L266 CegarLoopResult]: For program point __bswap_64EXIT(lines 80 84) no Hoare annotation was computed. [2020-11-07 05:21:42,503 INFO L266 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-07 05:21:42,503 INFO L266 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-11-07 05:21:42,503 INFO L269 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-11-07 05:21:42,503 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 05:21:42,503 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 05:21:42,504 INFO L269 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-11-07 05:21:42,504 INFO L262 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: false [2020-11-07 05:21:42,504 INFO L262 CegarLoopResult]: At program point L609-1(lines 609 610) the Hoare annotation is: false [2020-11-07 05:21:42,504 INFO L262 CegarLoopResult]: At program point L609-2(line 609) the Hoare annotation is: false [2020-11-07 05:21:42,504 INFO L262 CegarLoopResult]: At program point L609-3(line 609) the Hoare annotation is: false [2020-11-07 05:21:42,504 INFO L262 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: false [2020-11-07 05:21:42,504 INFO L262 CegarLoopResult]: At program point L609-4(lines 609 610) the Hoare annotation is: false [2020-11-07 05:21:42,505 INFO L262 CegarLoopResult]: At program point L601(line 601) 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)) [2020-11-07 05:21:42,505 INFO L269 CegarLoopResult]: At program point mainEXIT(lines 591 613) the Hoare annotation is: true [2020-11-07 05:21:42,505 INFO L262 CegarLoopResult]: At program point L597(line 597) 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)) [2020-11-07 05:21:42,505 INFO L262 CegarLoopResult]: At program point L597-1(line 597) 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)) [2020-11-07 05:21:42,506 INFO L262 CegarLoopResult]: At program point L597-2(line 597) 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)) [2020-11-07 05:21:42,506 INFO L269 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: true [2020-11-07 05:21:42,506 INFO L262 CegarLoopResult]: At program point L597-4(line 597) 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)) [2020-11-07 05:21:42,506 INFO L262 CegarLoopResult]: At program point L597-5(line 597) 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)) [2020-11-07 05:21:42,506 INFO L262 CegarLoopResult]: At program point L597-6(line 597) 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)) [2020-11-07 05:21:42,506 INFO L262 CegarLoopResult]: At program point L597-7(line 597) 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)) [2020-11-07 05:21:42,507 INFO L262 CegarLoopResult]: At program point L610(line 610) the Hoare annotation is: false [2020-11-07 05:21:42,507 INFO L262 CegarLoopResult]: At program point L606(line 606) the Hoare annotation is: false [2020-11-07 05:21:42,507 INFO L262 CegarLoopResult]: At program point L606-1(line 606) the Hoare annotation is: false [2020-11-07 05:21:42,507 INFO L262 CegarLoopResult]: At program point L598(line 598) 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)) [2020-11-07 05:21:42,507 INFO L262 CegarLoopResult]: At program point L598-1(line 598) 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)) [2020-11-07 05:21:42,507 INFO L262 CegarLoopResult]: At program point L598-2(line 598) 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)) [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (and (= main_~low~0.base 0) (= main_~low~0.offset 0)) [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: false [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L611-1(line 611) the Hoare annotation is: false [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L603-1(lines 591 613) 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)) [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L599(line 599) 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)) [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L599-1(line 599) 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)) [2020-11-07 05:21:42,508 INFO L262 CegarLoopResult]: At program point L595(line 595) 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)) [2020-11-07 05:21:42,509 INFO L262 CegarLoopResult]: At program point L608-1(lines 591 613) 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)) [2020-11-07 05:21:42,509 INFO L269 CegarLoopResult]: At program point L608-2(lines 591 613) the Hoare annotation is: true [2020-11-07 05:21:42,509 INFO L262 CegarLoopResult]: 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|)) [2020-11-07 05:21:42,511 INFO L262 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: false [2020-11-07 05:21:42,511 INFO L262 CegarLoopResult]: At program point L604-1(lines 604 605) the Hoare annotation is: false [2020-11-07 05:21:42,511 INFO L262 CegarLoopResult]: At program point L604-2(line 604) the Hoare annotation is: false [2020-11-07 05:21:42,511 INFO L262 CegarLoopResult]: At program point L604-3(line 604) the Hoare annotation is: false [2020-11-07 05:21:42,512 INFO L262 CegarLoopResult]: At program point L604-4(lines 604 605) the Hoare annotation is: false [2020-11-07 05:21:42,512 INFO L262 CegarLoopResult]: 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)) [2020-11-07 05:21:42,512 INFO L269 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: true [2020-11-07 05:21:42,512 INFO L269 CegarLoopResult]: At program point L592-1(line 592) the Hoare annotation is: true [2020-11-07 05:21:42,512 INFO L269 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-11-07 05:21:42,512 INFO L269 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-11-07 05:21:42,512 INFO L269 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: true [2020-11-07 05:21:42,513 INFO L269 CegarLoopResult]: At program point L576-1(line 576) the Hoare annotation is: true [2020-11-07 05:21:42,514 INFO L262 CegarLoopResult]: At program point L574(line 574) 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|)) [2020-11-07 05:21:42,514 INFO L269 CegarLoopResult]: At program point L575-1(line 575) the Hoare annotation is: true [2020-11-07 05:21:42,515 INFO L262 CegarLoopResult]: At program point L573(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|)) [2020-11-07 05:21:42,515 INFO L269 CegarLoopResult]: At program point L574-1(line 574) the Hoare annotation is: true [2020-11-07 05:21:42,515 INFO L269 CegarLoopResult]: At program point L575-2(line 575) the Hoare annotation is: true [2020-11-07 05:21:42,515 INFO L262 CegarLoopResult]: At program point L573-1(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|)) [2020-11-07 05:21:42,515 INFO L269 CegarLoopResult]: At program point append_to_listEXIT(lines 573 579) the Hoare annotation is: true [2020-11-07 05:21:42,515 INFO L262 CegarLoopResult]: 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|)) [2020-11-07 05:21:42,515 INFO L269 CegarLoopResult]: At program point append_to_listFINAL(lines 573 579) the Hoare annotation is: true [2020-11-07 05:21:42,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 05:21:42 BoogieIcfgContainer [2020-11-07 05:21:42,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 05:21:42,543 INFO L168 Benchmark]: Toolchain (without parser) took 3862.37 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.5 MB in the beginning and 130.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 101.1 MB. Max. memory is 8.0 GB. [2020-11-07 05:21:42,544 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 125.5 MB in the end (delta: 120.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 05:21:42,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.68 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 05:21:42,546 INFO L168 Benchmark]: Boogie Preprocessor took 103.86 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 133.8 MB in the end (delta: -30.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2020-11-07 05:21:42,547 INFO L168 Benchmark]: RCFGBuilder took 798.18 ms. Allocated memory is still 151.0 MB. Free memory was 133.8 MB in the beginning and 86.6 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2020-11-07 05:21:42,548 INFO L168 Benchmark]: TraceAbstraction took 2396.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 86.1 MB in the beginning and 130.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 59.6 MB. Max. memory is 8.0 GB. [2020-11-07 05:21:42,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 125.5 MB in the end (delta: 120.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 551.68 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.86 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 133.8 MB in the end (delta: -30.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 798.18 ms. Allocated memory is still 151.0 MB. Free memory was 133.8 MB in the beginning and 86.6 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2396.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 86.1 MB in the beginning and 130.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 59.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((0 == high && low == 0) && high == 0) && low == 0 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 13]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 580]: Procedure Contract for create_list Derived contract for procedure create_list: 1 - ProcedureContractResult [Line: 591]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 573]: Procedure Contract for append_to_list Derived contract for procedure append_to_list: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 69 SDslu, 242 SDs, 0 SdLazy, 297 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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=91occurred 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, 91 LocationsWithAnnotation, 128 PreInvPairs, 160 NumberOfFragments, 421 HoareAnnotationTreeSize, 128 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 91 FomulaSimplificationsInter, 126 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 9746 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...