/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:08:56,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:08:56,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:08:56,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 23:08:56,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 23:08:56,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 23:08:56,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 23:08:56,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 23:08:56,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 23:08:56,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 23:08:56,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 23:08:56,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 23:08:56,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:08:56,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:08:56,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:08:56,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:08:56,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:08:56,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:08:56,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:08:56,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:08:56,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:08:56,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:08:56,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:08:56,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:08:56,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:08:56,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:08:56,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:08:56,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:08:56,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:08:56,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:08:56,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:08:56,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:08:56,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:08:56,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:08:56,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:08:56,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:08:56,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:08:56,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:08:56,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:08:56,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:08:56,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:08:56,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:08:56,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:08:56,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:08:56,401 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:08:56,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:08:56,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:08:56,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:08:56,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:08:56,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:08:56,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:08:56,403 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:08:56,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:08:56,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:08:56,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:08:56,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:08:56,839 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:08:56,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2021-02-23 23:08:56,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a43a8ce88/ec0b19a7653d4db5a0ba30607de69936/FLAG76239bbda [2021-02-23 23:08:57,646 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:08:57,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2021-02-23 23:08:57,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a43a8ce88/ec0b19a7653d4db5a0ba30607de69936/FLAG76239bbda [2021-02-23 23:08:57,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a43a8ce88/ec0b19a7653d4db5a0ba30607de69936 [2021-02-23 23:08:57,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:08:57,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:08:58,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:08:58,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:08:58,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:08:58,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:08:57" (1/1) ... [2021-02-23 23:08:58,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25889f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58, skipping insertion in model container [2021-02-23 23:08:58,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:08:57" (1/1) ... [2021-02-23 23:08:58,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:08:58,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:08:58,426 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i[24473,24486] [2021-02-23 23:08:58,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:08:58,442 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:08:58,491 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i[24473,24486] [2021-02-23 23:08:58,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:08:58,579 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:08:58,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58 WrapperNode [2021-02-23 23:08:58,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:08:58,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:08:58,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:08:58,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:08:58,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... [2021-02-23 23:08:58,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:08:58,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:08:58,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:08:58,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:08:58,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:08:58,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:08:58,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:08:58,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:08:58,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 23:08:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 23:08:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-23 23:08:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-02-23 23:08:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2021-02-23 23:08:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2021-02-23 23:08:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2021-02-23 23:08:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2021-02-23 23:08:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:08:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:08:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:08:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 23:08:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 23:08:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:08:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:08:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 23:08:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 23:08:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 23:08:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 23:08:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 23:08:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 23:08:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 23:08:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 23:08:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 23:08:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 23:08:58,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 23:08:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 23:08:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 23:08:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 23:08:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 23:08:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 23:08:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 23:08:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 23:08:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 23:08:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 23:08:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 23:08:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 23:08:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 23:08:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 23:08:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 23:08:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 23:08:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 23:08:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 23:08:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 23:08:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 23:08:58,786 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 23:08:58,786 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 23:08:58,786 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 23:08:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 23:08:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:08:58,787 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 23:08:58,788 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 23:08:58,788 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 23:08:58,789 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 23:08:58,789 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 23:08:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 23:08:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 23:08:58,790 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 23:08:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 23:08:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 23:08:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 23:08:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 23:08:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 23:08:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 23:08:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 23:08:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 23:08:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 23:08:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 23:08:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 23:08:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-23 23:08:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 23:08:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:08:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2021-02-23 23:08:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:08:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2021-02-23 23:08:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:08:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:08:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:08:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:08:59,166 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-23 23:08:59,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:08:59,443 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-23 23:08:59,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:08:59 BoogieIcfgContainer [2021-02-23 23:08:59,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:08:59,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:08:59,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:08:59,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:08:59,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:08:57" (1/3) ... [2021-02-23 23:08:59,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bd488e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:08:59, skipping insertion in model container [2021-02-23 23:08:59,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:08:58" (2/3) ... [2021-02-23 23:08:59,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bd488e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:08:59, skipping insertion in model container [2021-02-23 23:08:59,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:08:59" (3/3) ... [2021-02-23 23:08:59,460 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2021-02-23 23:08:59,468 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:08:59,474 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:08:59,495 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:08:59,522 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:08:59,522 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:08:59,522 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:08:59,523 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:08:59,523 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:08:59,523 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:08:59,523 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:08:59,523 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:08:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2021-02-23 23:08:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-23 23:08:59,557 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:08:59,558 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] [2021-02-23 23:08:59,558 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:08:59,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:08:59,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1843398218, now seen corresponding path program 1 times [2021-02-23 23:08:59,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:08:59,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125131540] [2021-02-23 23:08:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:08:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:08:59,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:08:59,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:08:59,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:08:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:08:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:08:59,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:08:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 23:08:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:08:59,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:08:59,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:08:59,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 23:08:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:08:59,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:08:59,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:08:59,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:08:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:08:59,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125131540] [2021-02-23 23:08:59,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:08:59,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:08:59,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696080897] [2021-02-23 23:08:59,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:08:59,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:00,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:09:00,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:09:00,016 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 7 states. [2021-02-23 23:09:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:00,583 INFO L93 Difference]: Finished difference Result 194 states and 227 transitions. [2021-02-23 23:09:00,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 23:09:00,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2021-02-23 23:09:00,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:00,595 INFO L225 Difference]: With dead ends: 194 [2021-02-23 23:09:00,595 INFO L226 Difference]: Without dead ends: 95 [2021-02-23 23:09:00,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:09:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-02-23 23:09:00,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 84. [2021-02-23 23:09:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-02-23 23:09:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2021-02-23 23:09:00,660 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 42 [2021-02-23 23:09:00,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:00,661 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2021-02-23 23:09:00,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:09:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2021-02-23 23:09:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-02-23 23:09:00,664 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:00,664 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] [2021-02-23 23:09:00,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:09:00,665 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:00,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:00,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1403391418, now seen corresponding path program 1 times [2021-02-23 23:09:00,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:00,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731490778] [2021-02-23 23:09:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:00,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:00,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:00,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:00,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:00,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 23:09:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:00,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:00,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:00,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:00,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:00,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 23:09:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:00,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:00,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:00,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731490778] [2021-02-23 23:09:00,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:00,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-23 23:09:00,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520205464] [2021-02-23 23:09:00,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 23:09:00,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:00,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 23:09:00,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:09:00,923 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 9 states. [2021-02-23 23:09:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:01,383 INFO L93 Difference]: Finished difference Result 161 states and 172 transitions. [2021-02-23 23:09:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 23:09:01,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2021-02-23 23:09:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:01,386 INFO L225 Difference]: With dead ends: 161 [2021-02-23 23:09:01,386 INFO L226 Difference]: Without dead ends: 108 [2021-02-23 23:09:01,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-02-23 23:09:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-02-23 23:09:01,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2021-02-23 23:09:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2021-02-23 23:09:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2021-02-23 23:09:01,407 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 54 [2021-02-23 23:09:01,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:01,407 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2021-02-23 23:09:01,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 23:09:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2021-02-23 23:09:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-02-23 23:09:01,410 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:01,410 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] [2021-02-23 23:09:01,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:09:01,411 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:01,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:01,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1924881302, now seen corresponding path program 2 times [2021-02-23 23:09:01,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:01,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135619276] [2021-02-23 23:09:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:01,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:01,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:01,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 23:09:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:01,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:01,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:01,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:01,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:01,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:01,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:01,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:09:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:01,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:01,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:09:01,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135619276] [2021-02-23 23:09:01,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:01,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:09:01,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017011214] [2021-02-23 23:09:01,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:09:01,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:01,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:09:01,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:09:01,627 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand 8 states. [2021-02-23 23:09:02,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:02,028 INFO L93 Difference]: Finished difference Result 163 states and 174 transitions. [2021-02-23 23:09:02,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 23:09:02,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2021-02-23 23:09:02,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:02,034 INFO L225 Difference]: With dead ends: 163 [2021-02-23 23:09:02,035 INFO L226 Difference]: Without dead ends: 97 [2021-02-23 23:09:02,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:09:02,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-02-23 23:09:02,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-02-23 23:09:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2021-02-23 23:09:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2021-02-23 23:09:02,077 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 66 [2021-02-23 23:09:02,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:02,078 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2021-02-23 23:09:02,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:09:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2021-02-23 23:09:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-02-23 23:09:02,084 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:02,084 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] [2021-02-23 23:09:02,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:09:02,085 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:02,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:02,091 INFO L82 PathProgramCache]: Analyzing trace with hash -821934544, now seen corresponding path program 1 times [2021-02-23 23:09:02,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:02,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490017276] [2021-02-23 23:09:02,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:02,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:02,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:02,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:02,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:02,208 WARN L141 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-02-23 23:09:02,210 WARN L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-02-23 23:09:02,220 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-23 23:09:02,221 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-23 23:09:02,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:02,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:02,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:02,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:02,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-23 23:09:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:02,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:02,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-23 23:09:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:02,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:02,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 23:09:02,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490017276] [2021-02-23 23:09:02,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:09:02,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 23:09:02,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353804263] [2021-02-23 23:09:02,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 23:09:02,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:02,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 23:09:02,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:09:02,342 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand 6 states. [2021-02-23 23:09:02,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:02,565 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2021-02-23 23:09:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 23:09:02,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2021-02-23 23:09:02,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:02,567 INFO L225 Difference]: With dead ends: 104 [2021-02-23 23:09:02,567 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:09:02,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:09:02,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:09:02,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:09:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:09:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:09:02,570 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2021-02-23 23:09:02,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:02,570 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:09:02,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 23:09:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:09:02,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:09:02,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:09:02,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:09:03,866 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-23 23:09:03,867 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-23 23:09:03,867 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-23 23:09:03,868 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-23 23:09:03,868 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-23 23:09:03,868 INFO L185 CegarLoopUtils]: 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$.base)|)) [2021-02-23 23:09:03,868 INFO L192 CegarLoopUtils]: At program point dll_update_atEXIT(lines 617 623) the Hoare annotation is: true [2021-02-23 23:09:03,868 INFO L185 CegarLoopUtils]: At program point L620(line 620) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,868 INFO L185 CegarLoopUtils]: At program point L619(line 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,868 INFO L185 CegarLoopUtils]: At program point L620-1(line 620) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,869 INFO L185 CegarLoopUtils]: At program point L619-1(line 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,869 INFO L185 CegarLoopUtils]: At program point L620-2(line 620) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,869 INFO L185 CegarLoopUtils]: At program point L617(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,869 INFO L185 CegarLoopUtils]: At program point L619-2(line 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,869 INFO L185 CegarLoopUtils]: At program point L617-1(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,869 INFO L185 CegarLoopUtils]: At program point L618-2(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,870 INFO L185 CegarLoopUtils]: At program point L618-3(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 23:09:03,870 INFO L192 CegarLoopUtils]: At program point dll_update_atFINAL(lines 617 623) the Hoare annotation is: true [2021-02-23 23:09:03,870 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:03,870 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:09:03,870 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2021-02-23 23:09:03,870 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-23 23:09:03,870 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-23 23:09:03,871 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-23 23:09:03,871 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:03,871 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-23 23:09:03,871 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:09:03,871 INFO L192 CegarLoopUtils]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2021-02-23 23:09:03,871 INFO L192 CegarLoopUtils]: At program point L573(line 573) the Hoare annotation is: true [2021-02-23 23:09:03,871 INFO L189 CegarLoopUtils]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2021-02-23 23:09:03,872 INFO L185 CegarLoopUtils]: 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|)) [2021-02-23 23:09:03,872 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,872 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,872 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,872 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,872 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,873 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,873 INFO L185 CegarLoopUtils]: 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))))) [2021-02-23 23:09:03,873 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,873 INFO L185 CegarLoopUtils]: 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$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:03,873 INFO L185 CegarLoopUtils]: At program point L587-2(lines 587 600) the Hoare annotation is: (or (and (not (= dll_create_~new_head~0.base 0)) (= |dll_create_#t~malloc6.offset| 0) (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))) (and (= |#memory_$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|))) [2021-02-23 23:09:03,874 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,874 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,874 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,874 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,875 INFO L185 CegarLoopUtils]: 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))) [2021-02-23 23:09:03,875 INFO L192 CegarLoopUtils]: At program point L590(line 590) the Hoare annotation is: true [2021-02-23 23:09:03,875 INFO L185 CegarLoopUtils]: 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$.base)|) (= |old(#valid)| |#valid|))) [2021-02-23 23:09:03,875 INFO L185 CegarLoopUtils]: At program point L588-1(line 588) the Hoare annotation is: (let ((.cse0 (= |dll_create_#t~malloc6.offset| 0))) (or (and (= dll_create_~len |dll_create_#in~len|) .cse0) (and (not (= dll_create_~new_head~0.base 0)) .cse0 (= dll_create_~new_head~0.offset 0) (not (= 0 dll_create_~head~0.base))))) [2021-02-23 23:09:03,875 INFO L185 CegarLoopUtils]: At program point L586(line 586) the Hoare annotation is: (and (= |#memory_$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|)) [2021-02-23 23:09:03,875 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2021-02-23 23:09:03,875 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point L77-1(line 77) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2021-02-23 23:09:03,876 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point L611-2(lines 611 614) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point L611-3(lines 611 614) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point dll_get_data_atFINAL(lines 610 616) the Hoare annotation is: true [2021-02-23 23:09:03,877 INFO L192 CegarLoopUtils]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L615(line 615) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L615-1(line 615) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L613(line 613) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L612(line 612) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L613-1(line 613) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L612-1(line 612) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L613-2(line 613) the Hoare annotation is: true [2021-02-23 23:09:03,878 INFO L192 CegarLoopUtils]: At program point L610(lines 610 616) the Hoare annotation is: true [2021-02-23 23:09:03,879 INFO L192 CegarLoopUtils]: At program point L612-2(line 612) the Hoare annotation is: true [2021-02-23 23:09:03,879 INFO L192 CegarLoopUtils]: At program point dll_get_data_atEXIT(lines 610 616) the Hoare annotation is: true [2021-02-23 23:09:03,879 INFO L185 CegarLoopUtils]: At program point L634(line 634) the Hoare annotation is: false [2021-02-23 23:09:03,879 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 624 643) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,879 INFO L185 CegarLoopUtils]: At program point L630(line 630) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,879 INFO L185 CegarLoopUtils]: 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$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:03,879 INFO L185 CegarLoopUtils]: At program point L639(line 639) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L635(line 635) the Hoare annotation is: false [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L635-1(line 635) the Hoare annotation is: false [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L635-2(lines 635 637) the Hoare annotation is: false [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L635-3(line 635) the Hoare annotation is: false [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L631(line 631) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L635-4(line 635) the Hoare annotation is: false [2021-02-23 23:09:03,880 INFO L185 CegarLoopUtils]: At program point L631-1(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point L627(line 627) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point L627-1(line 627) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point L627-2(line 627) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point L636(lines 624 643) the Hoare annotation is: false [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point L628(line 628) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 624 643) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,881 INFO L185 CegarLoopUtils]: At program point L641(line 641) the Hoare annotation is: false [2021-02-23 23:09:03,882 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 641) the Hoare annotation is: false [2021-02-23 23:09:03,882 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 23:09:03,882 INFO L185 CegarLoopUtils]: At program point L633-2(lines 633 638) the Hoare annotation is: false [2021-02-23 23:09:03,882 INFO L185 CegarLoopUtils]: At program point L633-3(line 633) the Hoare annotation is: false [2021-02-23 23:09:03,882 INFO L185 CegarLoopUtils]: At program point L629(line 629) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L633-4(line 633) the Hoare annotation is: false [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L633-5(lines 633 638) the Hoare annotation is: (and (= main_~len~0 2) (<= main_~len~0 (+ main_~i~0 1))) [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L633-6(lines 633 638) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L629-3(line 629) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L629-4(line 629) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L629-5(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,883 INFO L185 CegarLoopUtils]: At program point L629-6(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 23:09:03,884 INFO L185 CegarLoopUtils]: At program point L642(line 642) the Hoare annotation is: false [2021-02-23 23:09:03,884 INFO L192 CegarLoopUtils]: At program point dll_destroyEXIT(lines 603 609) the Hoare annotation is: true [2021-02-23 23:09:03,884 INFO L192 CegarLoopUtils]: At program point L606(line 606) the Hoare annotation is: true [2021-02-23 23:09:03,884 INFO L192 CegarLoopUtils]: At program point L605(line 605) the Hoare annotation is: true [2021-02-23 23:09:03,884 INFO L192 CegarLoopUtils]: At program point L606-1(line 606) the Hoare annotation is: true [2021-02-23 23:09:03,884 INFO L192 CegarLoopUtils]: At program point L605-1(line 605) the Hoare annotation is: true [2021-02-23 23:09:03,884 INFO L185 CegarLoopUtils]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2021-02-23 23:09:03,884 INFO L192 CegarLoopUtils]: At program point L605-2(line 605) the Hoare annotation is: true [2021-02-23 23:09:03,885 INFO L192 CegarLoopUtils]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2021-02-23 23:09:03,885 INFO L192 CegarLoopUtils]: At program point L604-3(lines 603 609) the Hoare annotation is: true [2021-02-23 23:09:03,885 INFO L189 CegarLoopUtils]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-02-23 23:09:03,885 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2021-02-23 23:09:03,885 INFO L189 CegarLoopUtils]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2021-02-23 23:09:03,885 INFO L189 CegarLoopUtils]: For program point L576-1(line 576) no Hoare annotation was computed. [2021-02-23 23:09:03,885 INFO L189 CegarLoopUtils]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2021-02-23 23:09:03,886 INFO L189 CegarLoopUtils]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2021-02-23 23:09:03,886 INFO L189 CegarLoopUtils]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2021-02-23 23:09:03,886 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2021-02-23 23:09:03,886 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2021-02-23 23:09:03,886 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2021-02-23 23:09:03,886 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2021-02-23 23:09:03,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:09:03 BoogieIcfgContainer [2021-02-23 23:09:03,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:09:03,913 INFO L168 Benchmark]: Toolchain (without parser) took 5932.58 ms. Allocated memory was 162.5 MB in the beginning and 202.4 MB in the end (delta: 39.8 MB). Free memory was 137.6 MB in the beginning and 79.5 MB in the end (delta: 58.1 MB). Peak memory consumption was 113.5 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:03,914 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 162.5 MB. Free memory is still 137.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:09:03,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.66 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 144.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:03,915 INFO L168 Benchmark]: Boogie Preprocessor took 73.67 ms. Allocated memory is still 162.5 MB. Free memory was 144.3 MB in the beginning and 141.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:03,916 INFO L168 Benchmark]: RCFGBuilder took 791.34 ms. Allocated memory is still 162.5 MB. Free memory was 141.2 MB in the beginning and 89.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:03,917 INFO L168 Benchmark]: TraceAbstraction took 4460.46 ms. Allocated memory was 162.5 MB in the beginning and 202.4 MB in the end (delta: 39.8 MB). Free memory was 89.3 MB in the beginning and 79.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 8.0 GB. [2021-02-23 23:09:03,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 162.5 MB. Free memory is still 137.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 579.66 ms. Allocated memory is still 162.5 MB. Free memory was 136.6 MB in the beginning and 144.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 73.67 ms. Allocated memory is still 162.5 MB. Free memory was 144.3 MB in the beginning and 141.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 791.34 ms. Allocated memory is still 162.5 MB. Free memory was 141.2 MB in the beginning and 89.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4460.46 ms. Allocated memory was 162.5 MB in the beginning and 202.4 MB in the end (delta: 39.8 MB). Free memory was 89.3 MB in the beginning and 79.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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.traceabstraction: - PositiveResult [Line: 641]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 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 && len <= i + 1 - InvariantResult [Line: 618]: Loop Invariant [2021-02-23 23:09:03,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base 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 [2021-02-23 23:09:03,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:09:03,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:09:03,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base 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: 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: 3.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 296 SDtfs, 405 SDslu, 646 SDs, 0 SdLazy, 909 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 103 LocationsWithAnnotation, 208 PreInvPairs, 283 NumberOfFragments, 773 HoareAnnotationTreeSize, 208 FomulaSimplifications, 135 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 103 FomulaSimplificationsInter, 691 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 29534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 22/29 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...