/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:39:46,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:39:46,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:39:46,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:39:46,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:39:46,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:39:46,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:39:46,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:39:46,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:39:46,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:39:46,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:39:46,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:39:46,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:39:46,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:39:46,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:39:46,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:39:46,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:39:46,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:39:46,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:39:46,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:39:46,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:39:46,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:39:46,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:39:46,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:39:46,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:39:46,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:39:46,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:39:46,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:39:46,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:39:46,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:39:46,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:39:46,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:39:46,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:39:46,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:39:46,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:39:46,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:39:46,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:39:46,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:39:46,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:39:46,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:39:46,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:39:46,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:39:46,342 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:39:46,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:39:46,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:39:46,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:39:46,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:39:46,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:39:46,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:39:46,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:39:46,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:39:46,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:39:46,353 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:39:46,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:39:46,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:39:46,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:39:46,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:39:46,355 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:39:46,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:39:46,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:39:46,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:39:46,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:39:46,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:39:46,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:39:46,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:39:46,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:39:46,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:39:46,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:39:46,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:39:46,910 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:39:46,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-10-23 20:39:47,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594f3eb04/ede12ecb4dae4097b408ecdcd55bac69/FLAG52eefeaf2 [2020-10-23 20:39:47,735 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:39:47,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-10-23 20:39:47,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594f3eb04/ede12ecb4dae4097b408ecdcd55bac69/FLAG52eefeaf2 [2020-10-23 20:39:48,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594f3eb04/ede12ecb4dae4097b408ecdcd55bac69 [2020-10-23 20:39:48,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:39:48,042 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:39:48,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:39:48,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:39:48,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:39:48,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c79ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48, skipping insertion in model container [2020-10-23 20:39:48,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:39:48,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:39:48,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:39:48,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:39:48,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:39:48,638 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:39:48,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48 WrapperNode [2020-10-23 20:39:48,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:39:48,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:39:48,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:39:48,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:39:48,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (1/1) ... [2020-10-23 20:39:48,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:39:48,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:39:48,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:39:48,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:39:48,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (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 [2020-10-23 20:39:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:39:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:39:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:39:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-23 20:39:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-23 20:39:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-23 20:39:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-23 20:39:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-10-23 20:39:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-10-23 20:39:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-10-23 20:39:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-10-23 20:39:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:39:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:39:48,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:39:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-23 20:39:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-23 20:39:48,858 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:39:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:39:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-23 20:39:48,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-23 20:39:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-23 20:39:48,860 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-23 20:39:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-23 20:39:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-23 20:39:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-23 20:39:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-23 20:39:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-23 20:39:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-23 20:39:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-23 20:39:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-23 20:39:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-23 20:39:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-23 20:39:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-23 20:39:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-23 20:39:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-23 20:39:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-23 20:39:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-23 20:39:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-23 20:39:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-23 20:39:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-23 20:39:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-23 20:39:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-23 20:39:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-23 20:39:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-23 20:39:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-23 20:39:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-23 20:39:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:39:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-23 20:39:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-23 20:39:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:39:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-23 20:39:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-23 20:39:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-23 20:39:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-23 20:39:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-23 20:39:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-23 20:39:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-23 20:39:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-23 20:39:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 20:39:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-23 20:39:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-23 20:39:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-23 20:39:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-23 20:39:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-23 20:39:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-23 20:39:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-23 20:39:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-23 20:39:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-23 20:39:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-23 20:39:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-23 20:39:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-23 20:39:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-23 20:39:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-23 20:39:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-23 20:39:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-23 20:39:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-23 20:39:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-23 20:39:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-23 20:39:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-23 20:39:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-23 20:39:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-23 20:39:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:39:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:39:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:39:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-10-23 20:39:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-10-23 20:39:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:39:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:39:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-10-23 20:39:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:39:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-10-23 20:39:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:39:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:39:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:39:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:39:49,487 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-23 20:39:49,671 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:39:49,671 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-23 20:39:49,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:39:49 BoogieIcfgContainer [2020-10-23 20:39:49,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:39:49,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:39:49,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:39:49,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:39:49,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:39:48" (1/3) ... [2020-10-23 20:39:49,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58741502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:39:49, skipping insertion in model container [2020-10-23 20:39:49,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:39:48" (2/3) ... [2020-10-23 20:39:49,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58741502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:39:49, skipping insertion in model container [2020-10-23 20:39:49,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:39:49" (3/3) ... [2020-10-23 20:39:49,684 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2020-10-23 20:39:49,698 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:39:49,705 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 20:39:49,727 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 20:39:49,753 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:39:49,754 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:39:49,754 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:39:49,754 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:39:49,754 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:39:49,754 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:39:49,754 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:39:49,755 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:39:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-23 20:39:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-23 20:39:49,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:39:49,785 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:39:49,786 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:39:49,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:39:49,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1258458075, now seen corresponding path program 1 times [2020-10-23 20:39:49,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:39:49,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058705407] [2020-10-23 20:39:49,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:39:49,900 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:39:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:50,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:39:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 20:39:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:50,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-23 20:39:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:39:50,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058705407] [2020-10-23 20:39:50,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:39:50,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 20:39:50,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874426894] [2020-10-23 20:39:50,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 20:39:50,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:39:50,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 20:39:50,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-23 20:39:50,280 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 7 states. [2020-10-23 20:39:50,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:39:50,908 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2020-10-23 20:39:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:39:50,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-23 20:39:50,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:39:50,921 INFO L225 Difference]: With dead ends: 201 [2020-10-23 20:39:50,921 INFO L226 Difference]: Without dead ends: 97 [2020-10-23 20:39:50,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:39:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-23 20:39:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 86. [2020-10-23 20:39:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-23 20:39:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2020-10-23 20:39:50,985 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 44 [2020-10-23 20:39:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:39:50,985 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2020-10-23 20:39:50,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 20:39:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2020-10-23 20:39:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-23 20:39:50,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:39:50,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:39:50,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:39:50,989 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:39:50,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:39:50,990 INFO L82 PathProgramCache]: Analyzing trace with hash 366445205, now seen corresponding path program 1 times [2020-10-23 20:39:50,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:39:50,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010588402] [2020-10-23 20:39:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:39:51,677 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:39:51,753 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|]} [2020-10-23 20:39:51,773 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:51,886 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:39:51,887 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:51,898 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:51,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:51,997 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:52,072 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:52,074 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:52,075 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:39:52,176 INFO L120 Accelerator]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2020-10-23 20:39:52,181 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:39:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:52,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:39:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 20:39:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-23 20:39:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:39:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:39:52,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010588402] [2020-10-23 20:39:52,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:39:52,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:39:52,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670664028] [2020-10-23 20:39:52,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:39:52,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:39:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:39:52,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:39:52,407 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 9 states. [2020-10-23 20:39:52,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:39:52,947 INFO L93 Difference]: Finished difference Result 165 states and 176 transitions. [2020-10-23 20:39:52,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 20:39:52,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-23 20:39:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:39:52,950 INFO L225 Difference]: With dead ends: 165 [2020-10-23 20:39:52,951 INFO L226 Difference]: Without dead ends: 110 [2020-10-23 20:39:52,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:39:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-23 20:39:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2020-10-23 20:39:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-23 20:39:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 105 transitions. [2020-10-23 20:39:52,972 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 105 transitions. Word has length 56 [2020-10-23 20:39:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:39:52,973 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 105 transitions. [2020-10-23 20:39:52,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:39:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2020-10-23 20:39:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-23 20:39:52,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:39:52,976 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-10-23 20:39:52,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:39:52,979 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:39:52,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:39:52,980 INFO L82 PathProgramCache]: Analyzing trace with hash 747032645, now seen corresponding path program 2 times [2020-10-23 20:39:52,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:39:52,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458575489] [2020-10-23 20:39:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:39:53,551 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:39:53,575 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_31|], 4=[|v_#memory_$Pointer$.base_32|, |v_#memory_$Pointer$.offset_32|]} [2020-10-23 20:39:53,582 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:53,714 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:39:53,715 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:53,724 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:53,845 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-23 20:39:53,847 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:53,858 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:53,967 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-23 20:39:53,968 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:53,975 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:53,976 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:39:54,114 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-23 20:39:54,704 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-23 20:39:54,723 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_35|], 4=[|v_#memory_$Pointer$.offset_36|, |v_#memory_$Pointer$.base_36|]} [2020-10-23 20:39:54,738 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:54,873 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 20:39:54,875 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:54,894 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:55,022 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-23 20:39:55,023 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:55,031 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:55,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:55,118 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:55,120 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:39:55,743 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-10-23 20:39:55,760 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_39|, |v_#memory_$Pointer$.offset_39|], 4=[|v_#memory_int_40|]} [2020-10-23 20:39:55,772 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:55,902 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 20:39:55,903 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:55,911 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:56,055 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-23 20:39:56,056 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:56,063 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:56,189 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-23 20:39:56,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:56,191 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:56,191 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:191, output treesize:168 [2020-10-23 20:39:56,796 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-23 20:39:56,806 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_43|], 4=[|v_#memory_$Pointer$.base_44|, |v_#memory_$Pointer$.offset_44|]} [2020-10-23 20:39:56,813 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:56,940 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 20:39:56,940 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:56,946 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:57,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:57,050 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:57,142 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:57,143 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:57,144 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:39:57,801 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:39:57,821 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_47|], 4=[|v_#memory_$Pointer$.offset_48|, |v_#memory_$Pointer$.base_48|]} [2020-10-23 20:39:57,830 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:57,947 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:39:57,948 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:57,957 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:58,062 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-23 20:39:58,063 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:58,069 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:58,164 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:58,166 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:58,166 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:39:58,692 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2020-10-23 20:39:58,715 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:58,831 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 20:39:58,832 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:58,837 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:58,946 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:39:58,946 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:58,948 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:58,949 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:193, output treesize:185 [2020-10-23 20:39:59,071 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:39:59,586 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:39:59,602 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_55|], 4=[|v_#memory_$Pointer$.offset_56|, |v_#memory_$Pointer$.base_56|]} [2020-10-23 20:39:59,609 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:59,718 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-23 20:39:59,719 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:59,725 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:59,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:59,826 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:59,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:39:59,929 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:39:59,929 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:164, output treesize:126 [2020-10-23 20:40:00,035 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-23 20:40:00,594 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:40:00,608 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_59|], 4=[|v_#memory_$Pointer$.base_60|, |v_#memory_$Pointer$.offset_60|]} [2020-10-23 20:40:00,616 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:00,753 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-23 20:40:00,753 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:00,760 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:00,898 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-23 20:40:00,899 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:00,916 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:01,026 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-23 20:40:01,027 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:01,028 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:01,029 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:164, output treesize:126 [2020-10-23 20:40:01,409 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-23 20:40:01,418 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_63|], 4=[|v_#memory_$Pointer$.base_64|, |v_#memory_$Pointer$.offset_64|]} [2020-10-23 20:40:01,429 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:01,439 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:01,857 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-23 20:40:01,858 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:01,868 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:01,877 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:02,266 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-23 20:40:02,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:02,276 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:02,287 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:02,710 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-23 20:40:02,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:02,713 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:02,714 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:331, output treesize:255 [2020-10-23 20:40:03,104 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-23 20:40:03,658 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:40:03,664 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_67|], 4=[|v_#memory_$Pointer$.offset_68|, |v_#memory_$Pointer$.base_68|]} [2020-10-23 20:40:03,672 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:03,802 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:40:03,802 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:03,807 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:03,918 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-23 20:40:03,918 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:03,924 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:04,013 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:04,015 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:04,015 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:40:04,380 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-23 20:40:04,389 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_71|], 4=[|v_#memory_$Pointer$.offset_72|, |v_#memory_$Pointer$.base_72|]} [2020-10-23 20:40:04,410 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:04,421 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:04,804 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-23 20:40:04,807 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:04,823 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:04,844 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:05,378 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-23 20:40:05,379 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:05,393 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:05,402 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:05,892 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-23 20:40:05,893 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:05,895 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:05,895 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:331, output treesize:255 [2020-10-23 20:40:06,285 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-23 20:40:06,845 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:40:06,850 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_75|], 4=[|v_#memory_$Pointer$.base_76|, |v_#memory_$Pointer$.offset_76|]} [2020-10-23 20:40:06,857 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:06,984 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:40:06,985 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:06,997 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:07,135 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-23 20:40:07,135 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:07,141 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:07,232 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:07,236 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:07,237 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:40:07,325 INFO L120 Accelerator]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2020-10-23 20:40:07,330 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:40:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:07,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:40:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:07,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 20:40:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:07,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-23 20:40:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:40:07,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458575489] [2020-10-23 20:40:07,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:40:07,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 20:40:07,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055755019] [2020-10-23 20:40:07,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 20:40:07,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:40:07,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 20:40:07,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-23 20:40:07,605 INFO L87 Difference]: Start difference. First operand 99 states and 105 transitions. Second operand 8 states. [2020-10-23 20:40:08,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:40:08,132 INFO L93 Difference]: Finished difference Result 167 states and 178 transitions. [2020-10-23 20:40:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:40:08,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-10-23 20:40:08,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:40:08,139 INFO L225 Difference]: With dead ends: 167 [2020-10-23 20:40:08,140 INFO L226 Difference]: Without dead ends: 99 [2020-10-23 20:40:08,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-23 20:40:08,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-23 20:40:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-10-23 20:40:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-23 20:40:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 104 transitions. [2020-10-23 20:40:08,181 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 104 transitions. Word has length 68 [2020-10-23 20:40:08,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:40:08,184 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 104 transitions. [2020-10-23 20:40:08,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 20:40:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2020-10-23 20:40:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-23 20:40:08,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:40:08,189 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:40:08,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:40:08,190 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:40:08,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:40:08,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1283941233, now seen corresponding path program 1 times [2020-10-23 20:40:08,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:40:08,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543149204] [2020-10-23 20:40:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:40:08,773 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:40:08,779 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_79|], 4=[|v_#memory_$Pointer$.base_80|, |v_#memory_$Pointer$.offset_80|]} [2020-10-23 20:40:08,786 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:08,896 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:40:08,896 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:08,901 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:09,023 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-23 20:40:09,024 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:09,032 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:09,128 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:09,129 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:09,130 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:40:09,765 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-23 20:40:09,782 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_83|], 4=[|v_#memory_$Pointer$.offset_84|, |v_#memory_$Pointer$.base_84|]} [2020-10-23 20:40:09,792 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:09,912 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 20:40:09,912 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:09,921 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:10,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:10,019 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:10,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:10,102 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:10,102 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:40:10,609 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-10-23 20:40:10,625 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_87|, |v_#memory_$Pointer$.offset_87|], 4=[|v_#memory_int_88|]} [2020-10-23 20:40:10,637 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:10,760 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 20:40:10,760 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:10,766 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:10,891 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 20:40:10,892 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:10,898 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:11,008 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:40:11,009 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:11,010 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:11,010 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:191, output treesize:168 [2020-10-23 20:40:11,114 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:40:11,575 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-23 20:40:11,583 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_91|], 4=[|v_#memory_$Pointer$.base_92|, |v_#memory_$Pointer$.offset_92|]} [2020-10-23 20:40:11,596 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:11,744 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 20:40:11,745 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:11,752 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:11,890 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-23 20:40:11,894 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:11,902 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:12,018 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-23 20:40:12,018 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:12,019 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:12,020 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:40:12,143 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-23 20:40:13,312 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-10-23 20:40:13,321 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_95|, |v_#memory_int_96|], 6=[|v_#memory_$Pointer$.base_97|, |v_#memory_$Pointer$.offset_97|]} [2020-10-23 20:40:13,332 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:13,349 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:14,306 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-23 20:40:14,307 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:14,322 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:14,340 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:15,126 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-23 20:40:15,127 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:15,138 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:15,148 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:15,857 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-23 20:40:15,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:15,877 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:15,896 INFO L545 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:16,887 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-23 20:40:16,888 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:16,890 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:16,890 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:457, output treesize:411 [2020-10-23 20:40:17,986 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 114 [2020-10-23 20:40:18,489 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2020-10-23 20:40:18,499 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:18,623 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 20:40:18,623 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:18,629 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:18,735 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 20:40:18,735 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:18,736 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:18,737 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:193, output treesize:185 [2020-10-23 20:40:18,839 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 20:40:19,640 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-10-23 20:40:19,647 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_104|, |v_#memory_int_105|], 6=[|v_#memory_$Pointer$.offset_106|, |v_#memory_$Pointer$.base_106|]} [2020-10-23 20:40:19,661 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:19,678 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:20,593 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-23 20:40:20,594 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:20,607 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:20,618 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:21,474 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-23 20:40:21,474 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:21,491 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:21,501 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:22,488 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-23 20:40:22,489 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:22,515 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:22,541 INFO L545 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:23,472 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-23 20:40:23,477 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:23,480 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:23,480 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:463, output treesize:417 [2020-10-23 20:40:24,430 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-23 20:40:25,623 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-10-23 20:40:25,631 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_109|, |v_#memory_int_110|], 6=[|v_#memory_$Pointer$.offset_111|, |v_#memory_$Pointer$.base_111|]} [2020-10-23 20:40:25,641 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:25,654 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:26,751 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 109 [2020-10-23 20:40:26,752 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:26,763 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:26,779 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:27,678 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-23 20:40:27,679 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:27,696 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:27,707 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:28,697 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-23 20:40:28,698 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:28,712 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:28,728 INFO L545 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:29,735 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 117 [2020-10-23 20:40:29,736 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:29,737 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:29,737 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:463, output treesize:417 [2020-10-23 20:40:30,757 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 117 [2020-10-23 20:40:31,061 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-23 20:40:31,074 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_114|], 4=[|v_#memory_$Pointer$.offset_115|, |v_#memory_$Pointer$.base_115|]} [2020-10-23 20:40:31,088 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:31,096 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:31,552 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-23 20:40:31,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:31,564 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:31,574 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:31,987 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-23 20:40:31,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:32,000 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:32,008 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:32,452 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-23 20:40:32,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:32,455 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:32,455 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:331, output treesize:255 [2020-10-23 20:40:32,885 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-23 20:40:33,447 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2020-10-23 20:40:33,457 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_118|], 4=[|v_#memory_$Pointer$.offset_119|, |v_#memory_$Pointer$.base_119|]} [2020-10-23 20:40:33,462 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:33,601 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-23 20:40:33,601 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:33,613 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:33,721 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-23 20:40:33,721 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:33,727 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:33,837 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-23 20:40:33,838 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:33,839 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:33,839 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:123 [2020-10-23 20:40:33,942 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-23 20:40:35,031 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-10-23 20:40:35,046 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_122|, |v_#memory_int_123|], 6=[|v_#memory_$Pointer$.base_124|, |v_#memory_$Pointer$.offset_124|]} [2020-10-23 20:40:35,055 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:35,069 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:36,067 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-23 20:40:36,068 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:36,086 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:36,097 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:36,860 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-23 20:40:36,861 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:36,870 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:36,887 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:37,895 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 110 [2020-10-23 20:40:37,896 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:37,909 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:37,928 INFO L545 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:38,894 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-23 20:40:38,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:38,897 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:38,897 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:457, output treesize:411 [2020-10-23 20:40:39,786 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-23 20:40:40,101 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-23 20:40:40,108 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_127|], 4=[|v_#memory_$Pointer$.offset_128|, |v_#memory_$Pointer$.base_128|]} [2020-10-23 20:40:40,121 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:40,133 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:40,562 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-23 20:40:40,563 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:40,575 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:40,587 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:41,029 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-23 20:40:41,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:41,039 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:41,050 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:41,484 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-23 20:40:41,484 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:41,486 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:41,486 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:331, output treesize:255 [2020-10-23 20:40:41,950 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-23 20:40:43,330 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-10-23 20:40:43,339 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_132|, |v_#memory_int_131|], 6=[|v_#memory_$Pointer$.offset_133|, |v_#memory_$Pointer$.base_133|]} [2020-10-23 20:40:43,361 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:43,370 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:44,399 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 104 [2020-10-23 20:40:44,400 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:44,413 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:44,423 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:45,162 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-23 20:40:45,163 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:45,182 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:45,192 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:45,993 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-23 20:40:45,994 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:46,007 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:46,021 INFO L545 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-23 20:40:47,034 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 115 [2020-10-23 20:40:47,034 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-23 20:40:47,036 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-10-23 20:40:47,037 INFO L244 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:457, output treesize:411 [2020-10-23 20:40:48,174 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 115 [2020-10-23 20:40:48,178 INFO L120 Accelerator]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2020-10-23 20:40:48,182 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:40:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:40:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:48,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 20:40:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-23 20:40:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:40:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:40:48,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543149204] [2020-10-23 20:40:48,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:40:48,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:40:48,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454483458] [2020-10-23 20:40:48,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:40:48,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:40:48,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:40:48,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:40:48,358 INFO L87 Difference]: Start difference. First operand 99 states and 104 transitions. Second operand 6 states. [2020-10-23 20:40:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:40:48,694 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2020-10-23 20:40:48,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 20:40:48,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-10-23 20:40:48,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:40:48,696 INFO L225 Difference]: With dead ends: 106 [2020-10-23 20:40:48,696 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 20:40:48,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:40:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 20:40:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 20:40:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 20:40:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 20:40:48,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-10-23 20:40:48,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:40:48,698 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 20:40:48,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:40:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 20:40:48,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 20:40:48,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:40:48,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 20:40:50,292 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,292 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,292 INFO L277 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,292 INFO L277 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,292 INFO L277 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,292 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,292 INFO L270 CegarLoopResult]: At program point dll_update_atENTRY(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L277 CegarLoopResult]: At program point dll_update_atEXIT(lines 617 623) the Hoare annotation is: true [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L619-1(line 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L620-2(line 620) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L617(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,293 INFO L270 CegarLoopResult]: At program point L619-2(line 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,294 INFO L270 CegarLoopResult]: At program point L617-1(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,294 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,294 INFO L270 CegarLoopResult]: At program point L618-3(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-23 20:40:50,294 INFO L277 CegarLoopResult]: At program point dll_update_atFINAL(lines 617 623) the Hoare annotation is: true [2020-10-23 20:40:50,294 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-23 20:40:50,294 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-23 20:40:50,294 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,294 INFO L277 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,294 INFO L277 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,294 INFO L277 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,294 INFO L270 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|)) [2020-10-23 20:40:50,295 INFO L277 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-10-23 20:40:50,295 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:40:50,295 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-23 20:40:50,295 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-23 20:40:50,295 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-23 20:40:50,295 INFO L270 CegarLoopResult]: At program point dll_createENTRY(lines 585 602) 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|)) [2020-10-23 20:40:50,295 INFO L270 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) [2020-10-23 20:40:50,295 INFO L270 CegarLoopResult]: At program point L599-1(line 599) the Hoare annotation is: (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) [2020-10-23 20:40:50,295 INFO L270 CegarLoopResult]: At program point dll_createFINAL(lines 585 602) the Hoare annotation is: (or (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) (and (<= |dll_create_#in~len| (+ dll_create_~len 1)) (<= |dll_create_#in~len| 1))) [2020-10-23 20:40:50,295 INFO L270 CegarLoopResult]: At program point L599-2(line 599) the Hoare annotation is: (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) [2020-10-23 20:40:50,296 INFO L270 CegarLoopResult]: At program point L595(lines 595 597) the Hoare annotation is: (let ((.cse0 (not (= dll_create_~new_head~0.base 0))) (.cse1 (= |dll_create_#t~malloc6.offset| 0)) (.cse2 (= dll_create_~new_head~0.offset 0))) (or (and .cse0 .cse1 .cse2 (not (= 0 dll_create_~head~0.base))) (and .cse0 (= dll_create_~len |dll_create_#in~len|) .cse1 .cse2))) [2020-10-23 20:40:50,296 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= dll_create_~new_head~0.base 0))) (.cse1 (= |dll_create_#t~malloc6.offset| 0)) (.cse2 (= dll_create_~new_head~0.offset 0))) (or (and .cse0 .cse1 .cse2 (not (= 0 dll_create_~head~0.base))) (and .cse0 (= dll_create_~len |dll_create_#in~len|) .cse1 .cse2))) [2020-10-23 20:40:50,296 INFO L270 CegarLoopResult]: At program point L589(lines 589 591) the Hoare annotation is: (let ((.cse0 (= |dll_create_#t~malloc6.offset| 0)) (.cse1 (= dll_create_~new_head~0.offset 0))) (or (and (= dll_create_~len |dll_create_#in~len|) .cse0 .cse1) (and .cse0 .cse1 (not (= 0 dll_create_~head~0.base))))) [2020-10-23 20:40:50,296 INFO L270 CegarLoopResult]: At program point L589-1(lines 589 591) the Hoare annotation is: (let ((.cse0 (not (= dll_create_~new_head~0.base 0))) (.cse1 (= |dll_create_#t~malloc6.offset| 0)) (.cse2 (= dll_create_~new_head~0.offset 0))) (or (and .cse0 .cse1 .cse2 (not (= 0 dll_create_~head~0.base))) (and .cse0 (= dll_create_~len |dll_create_#in~len|) .cse1 .cse2))) [2020-10-23 20:40:50,296 INFO L270 CegarLoopResult]: At program point L585(lines 585 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:40:50,296 INFO L270 CegarLoopResult]: At program point L587-2(lines 587 600) the Hoare annotation is: (or (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-23 20:40:50,297 INFO L270 CegarLoopResult]: At program point L587-3(lines 587 600) the Hoare annotation is: (or (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) (and (<= |dll_create_#in~len| (+ dll_create_~len 1)) (<= |dll_create_#in~len| 1))) [2020-10-23 20:40:50,297 INFO L270 CegarLoopResult]: At program point dll_createEXIT(lines 585 602) the Hoare annotation is: (or (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) (and (<= |dll_create_#in~len| (+ dll_create_~len 1)) (<= |dll_create_#in~len| 1))) [2020-10-23 20:40:50,297 INFO L270 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (= dll_create_~new_head~0.base 0))) (.cse1 (= |dll_create_#t~malloc6.offset| 0)) (.cse2 (= dll_create_~new_head~0.offset 0))) (or (and .cse0 .cse1 .cse2 (not (= 0 dll_create_~head~0.base))) (and .cse0 (= dll_create_~len |dll_create_#in~len|) .cse1 .cse2))) [2020-10-23 20:40:50,297 INFO L270 CegarLoopResult]: At program point L594(lines 587 600) the Hoare annotation is: (let ((.cse0 (not (= dll_create_~new_head~0.base 0))) (.cse1 (= |dll_create_#t~malloc6.offset| 0)) (.cse2 (= dll_create_~new_head~0.offset 0))) (or (and .cse0 .cse1 .cse2 (not (= 0 dll_create_~head~0.base))) (and .cse0 (= dll_create_~len |dll_create_#in~len|) .cse1 .cse2))) [2020-10-23 20:40:50,297 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (not (= dll_create_~new_head~0.base 0))) (.cse1 (= |dll_create_#t~malloc6.offset| 0)) (.cse2 (= dll_create_~new_head~0.offset 0))) (or (and .cse0 .cse1 .cse2 (not (= 0 dll_create_~head~0.base))) (and .cse0 (= dll_create_~len |dll_create_#in~len|) .cse1 .cse2))) [2020-10-23 20:40:50,297 INFO L277 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: true [2020-10-23 20:40:50,297 INFO L270 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (or (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-23 20:40:50,298 INFO L270 CegarLoopResult]: At program point L588-1(line 588) the Hoare annotation is: (let ((.cse0 (= |dll_create_#t~malloc6.offset| 0))) (or (and (= dll_create_~len |dll_create_#in~len|) .cse0) (and (not (= dll_create_~new_head~0.base 0)) .cse0 (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))))) [2020-10-23 20:40:50,298 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-23 20:40:50,298 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point L611-2(lines 611 614) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point L611-3(lines 611 614) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point dll_get_data_atFINAL(lines 610 616) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point L615(line 615) the Hoare annotation is: true [2020-10-23 20:40:50,299 INFO L277 CegarLoopResult]: At program point L615-1(line 615) the Hoare annotation is: true [2020-10-23 20:40:50,300 INFO L277 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: true [2020-10-23 20:40:50,300 INFO L277 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: true [2020-10-23 20:40:50,300 INFO L277 CegarLoopResult]: At program point L613-1(line 613) the Hoare annotation is: true [2020-10-23 20:40:50,300 INFO L277 CegarLoopResult]: At program point L612-1(line 612) the Hoare annotation is: true [2020-10-23 20:40:50,300 INFO L277 CegarLoopResult]: At program point L613-2(line 613) the Hoare annotation is: true [2020-10-23 20:40:50,301 INFO L277 CegarLoopResult]: At program point L610(lines 610 616) the Hoare annotation is: true [2020-10-23 20:40:50,302 INFO L277 CegarLoopResult]: At program point L612-2(line 612) the Hoare annotation is: true [2020-10-23 20:40:50,302 INFO L277 CegarLoopResult]: At program point dll_get_data_atEXIT(lines 610 616) the Hoare annotation is: true [2020-10-23 20:40:50,302 INFO L270 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: false [2020-10-23 20:40:50,302 INFO L270 CegarLoopResult]: At program point mainEXIT(lines 624 643) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,302 INFO L270 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,302 INFO L270 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:40:50,302 INFO L270 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,302 INFO L270 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: false [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L635-1(line 635) the Hoare annotation is: false [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L635-2(lines 635 637) the Hoare annotation is: false [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L635-3(line 635) the Hoare annotation is: false [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L635-4(line 635) the Hoare annotation is: false [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L631-1(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L627-1(line 627) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,303 INFO L270 CegarLoopResult]: At program point L627-2(line 627) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L636(lines 624 643) the Hoare annotation is: false [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point mainFINAL(lines 624 643) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: false [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L633-2(lines 633 638) the Hoare annotation is: false [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L633-3(line 633) the Hoare annotation is: false [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,304 INFO L270 CegarLoopResult]: At program point L633-4(line 633) the Hoare annotation is: false [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L633-5(lines 633 638) the Hoare annotation is: (and (= main_~len~0 2) (<= 1 main_~i~0)) [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L633-6(lines 633 638) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L629-3(line 629) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L629-4(line 629) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L629-5(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L629-6(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2020-10-23 20:40:50,305 INFO L270 CegarLoopResult]: At program point L642(line 642) the Hoare annotation is: false [2020-10-23 20:40:50,305 INFO L277 CegarLoopResult]: At program point dll_destroyEXIT(lines 603 609) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L606(line 606) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L606-1(line 606) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L605-1(line 605) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L270 CegarLoopResult]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L605-2(line 605) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L277 CegarLoopResult]: At program point L604-3(lines 603 609) the Hoare annotation is: true [2020-10-23 20:40:50,306 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-23 20:40:50,306 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-23 20:40:50,307 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-23 20:40:50,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:40:50 BoogieIcfgContainer [2020-10-23 20:40:50,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:40:50,339 INFO L168 Benchmark]: Toolchain (without parser) took 62303.72 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 128.2 MB in the beginning and 148.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 105.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:40:50,339 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 125.8 MB. Free memory is still 82.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:40:50,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.92 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 104.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:40:50,340 INFO L168 Benchmark]: Boogie Preprocessor took 121.72 ms. Allocated memory is still 153.1 MB. Free memory was 104.6 MB in the beginning and 102.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:40:50,340 INFO L168 Benchmark]: RCFGBuilder took 910.91 ms. Allocated memory is still 153.1 MB. Free memory was 102.0 MB in the beginning and 92.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:40:50,341 INFO L168 Benchmark]: TraceAbstraction took 60661.57 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 92.0 MB in the beginning and 148.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 68.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:40:50,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 125.8 MB. Free memory is still 82.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 590.92 ms. Allocated memory is still 153.1 MB. Free memory was 127.6 MB in the beginning and 104.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.72 ms. Allocated memory is still 153.1 MB. Free memory was 104.6 MB in the beginning and 102.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 910.91 ms. Allocated memory is still 153.1 MB. Free memory was 102.0 MB in the beginning and 92.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 60661.57 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 92.0 MB in the beginning and 148.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 68.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: len == 2 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: len == 2 && 1 <= i - InvariantResult [Line: 618]: Loop Invariant [2020-10-23 20:40:50,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 587]: Loop Invariant [2020-10-23 20:40:50,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-23 20:40:50,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-23 20:40:50,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-23 20:40:50,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 20:40:50,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-23 20:40:50,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((!(new_head == 0) && malloc(sizeof(struct node)) == 0) && new_head == 0) && !(0 == head)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 12]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 617]: Procedure Contract for dll_update_at Derived contract for procedure dll_update_at: 1 - ProcedureContractResult [Line: 585]: Procedure Contract for dll_create Derived contract for procedure dll_create: (((!(new_head == 0) && malloc(sizeof(struct node)) == 0) && new_head == 0) && !(0 == head)) || (\old(len) <= len + 1 && \old(len) <= 1) - ProcedureContractResult [Line: 610]: Procedure Contract for dll_get_data_at Derived contract for procedure dll_get_data_at: 1 - ProcedureContractResult [Line: 624]: Procedure Contract for main Derived contract for procedure main: len == 2 - ProcedureContractResult [Line: 603]: Procedure Contract for dll_destroy Derived contract for procedure dll_destroy: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 130 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 302 SDtfs, 418 SDslu, 641 SDs, 0 SdLazy, 910 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 108 LocationsWithAnnotation, 231 PreInvPairs, 306 NumberOfFragments, 776 HoareAnnotationTreeSize, 231 FomulaSimplifications, 125 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 108 FomulaSimplificationsInter, 691 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...