java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:04:48,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:04:48,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:04:48,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:04:48,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:04:48,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:04:48,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:04:48,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:04:48,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:04:48,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:04:48,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:04:48,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:04:48,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:04:48,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:04:48,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:04:48,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:04:48,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:04:48,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:04:48,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:04:48,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:04:48,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:04:48,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:04:48,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:04:48,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:04:48,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:04:48,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:04:48,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:04:48,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:04:48,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:04:48,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:04:48,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:04:48,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:04:48,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:04:48,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:04:48,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:04:48,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:04:48,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:04:48,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:04:48,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:04:48,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:04:48,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:04:48,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:04:48,391 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:04:48,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:04:48,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:04:48,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:04:48,393 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:04:48,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:04:48,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:04:48,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:04:48,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:04:48,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:04:48,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:04:48,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:04:48,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:04:48,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:04:48,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:04:48,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:04:48,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:04:48,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:04:48,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:04:48,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:04:48,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:04:48,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:04:48,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:04:48,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:04:48,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:04:48,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:04:48,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:04:48,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:04:48,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:04:48,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:04:48,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:04:48,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:04:48,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:04:48,731 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:04:48,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-13 21:04:48,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbbcd0c1/39cb36e39ce5484e8f875ba8c8f9e92a/FLAGd96726ad7 [2019-10-13 21:04:49,345 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:04:49,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-13 21:04:49,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbbcd0c1/39cb36e39ce5484e8f875ba8c8f9e92a/FLAGd96726ad7 [2019-10-13 21:04:49,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cbbcd0c1/39cb36e39ce5484e8f875ba8c8f9e92a [2019-10-13 21:04:49,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:04:49,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:04:49,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:04:49,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:04:49,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:04:49,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:04:49" (1/1) ... [2019-10-13 21:04:49,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8bf277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:49, skipping insertion in model container [2019-10-13 21:04:49,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:04:49" (1/1) ... [2019-10-13 21:04:49,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:04:49,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:04:50,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:04:50,213 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:04:50,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:04:50,337 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:04:50,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50 WrapperNode [2019-10-13 21:04:50,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:04:50,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:04:50,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:04:50,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:04:50,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (1/1) ... [2019-10-13 21:04:50,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:04:50,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:04:50,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:04:50,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:04:50,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (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 [2019-10-13 21:04:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:04:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:04:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 21:04:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 21:04:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 21:04:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-13 21:04:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-10-13 21:04:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-10-13 21:04:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-10-13 21:04:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-10-13 21:04:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:04:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:04:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 21:04:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 21:04:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 21:04:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 21:04:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 21:04:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 21:04:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 21:04:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 21:04:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 21:04:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 21:04:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 21:04:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 21:04:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 21:04:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 21:04:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 21:04:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 21:04:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 21:04:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 21:04:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 21:04:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 21:04:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 21:04:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 21:04:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 21:04:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 21:04:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 21:04:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 21:04:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 21:04:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 21:04:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 21:04:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 21:04:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 21:04:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 21:04:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 21:04:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 21:04:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 21:04:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 21:04:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 21:04:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 21:04:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 21:04:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 21:04:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 21:04:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 21:04:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 21:04:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 21:04:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 21:04:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 21:04:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:04:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:04:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 21:04:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:04:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 21:04:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 21:04:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 21:04:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 21:04:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 21:04:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 21:04:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 21:04:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 21:04:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 21:04:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:04:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 21:04:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 21:04:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 21:04:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 21:04:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 21:04:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 21:04:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 21:04:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 21:04:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 21:04:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 21:04:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 21:04:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 21:04:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 21:04:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 21:04:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 21:04:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 21:04:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-13 21:04:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:04:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:04:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:04:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-10-13 21:04:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:04:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:04:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:04:50,930 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 21:04:51,093 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:04:51,094 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-13 21:04:51,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:04:51 BoogieIcfgContainer [2019-10-13 21:04:51,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:04:51,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:04:51,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:04:51,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:04:51,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:04:49" (1/3) ... [2019-10-13 21:04:51,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bafdfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:04:51, skipping insertion in model container [2019-10-13 21:04:51,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:50" (2/3) ... [2019-10-13 21:04:51,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bafdfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:04:51, skipping insertion in model container [2019-10-13 21:04:51,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:04:51" (3/3) ... [2019-10-13 21:04:51,104 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2019-10-13 21:04:51,114 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:04:51,124 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:04:51,137 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:04:51,169 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:04:51,169 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:04:51,169 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:04:51,170 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:04:51,170 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:04:51,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:04:51,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:04:51,171 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:04:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-10-13 21:04:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 21:04:51,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:04:51,205 INFO L380 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] [2019-10-13 21:04:51,207 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:04:51,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:04:51,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2019-10-13 21:04:51,223 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:04:51,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153164163] [2019-10-13 21:04:51,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:51,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:51,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:04:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:04:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:04:51,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153164163] [2019-10-13 21:04:51,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:04:51,420 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:04:51,420 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016450470] [2019-10-13 21:04:51,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:04:51,427 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:04:51,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:04:51,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:04:51,447 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-10-13 21:04:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:04:51,474 INFO L93 Difference]: Finished difference Result 86 states and 113 transitions. [2019-10-13 21:04:51,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:04:51,476 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-10-13 21:04:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:04:51,486 INFO L225 Difference]: With dead ends: 86 [2019-10-13 21:04:51,486 INFO L226 Difference]: Without dead ends: 38 [2019-10-13 21:04:51,490 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:04:51,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-13 21:04:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-10-13 21:04:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-13 21:04:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2019-10-13 21:04:51,542 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2019-10-13 21:04:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:04:51,543 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2019-10-13 21:04:51,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:04:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-10-13 21:04:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 21:04:51,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:04:51,545 INFO L380 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] [2019-10-13 21:04:51,545 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:04:51,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:04:51,546 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2019-10-13 21:04:51,546 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:04:51,547 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968928013] [2019-10-13 21:04:51,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:51,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:51,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:04:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:04:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:04:51,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968928013] [2019-10-13 21:04:51,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:04:51,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:04:51,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556220613] [2019-10-13 21:04:51,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:04:51,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:04:51,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:04:51,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:04:51,677 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 4 states. [2019-10-13 21:04:51,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:04:51,724 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2019-10-13 21:04:51,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:04:51,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-13 21:04:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:04:51,726 INFO L225 Difference]: With dead ends: 43 [2019-10-13 21:04:51,726 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:04:51,727 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:04:51,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:04:51,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:04:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:04:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:04:51,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-13 21:04:51,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:04:51,729 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:04:51,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:04:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:04:51,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:04:51,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:04:51,819 INFO L446 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: true [2019-10-13 21:04:51,819 INFO L443 ceAbstractionStarter]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2019-10-13 21:04:51,820 INFO L446 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: true [2019-10-13 21:04:51,820 INFO L443 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2019-10-13 21:04:51,820 INFO L443 ceAbstractionStarter]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2019-10-13 21:04:51,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:04:51,820 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:04:51,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:04:51,820 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-10-13 21:04:51,821 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-10-13 21:04:51,821 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-13 21:04:51,821 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2019-10-13 21:04:51,821 INFO L446 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2019-10-13 21:04:51,821 INFO L446 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2019-10-13 21:04:51,821 INFO L443 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2019-10-13 21:04:51,822 INFO L443 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2019-10-13 21:04:51,822 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-13 21:04:51,822 INFO L443 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2019-10-13 21:04:51,822 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2019-10-13 21:04:51,822 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2019-10-13 21:04:51,823 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2019-10-13 21:04:51,824 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:04:51,824 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:04:51,824 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:04:51,824 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:04:51,824 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:04:51,825 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:04:51,827 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:04:51,828 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 21:04:51,828 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:04:51,828 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:04:51,828 INFO L446 ceAbstractionStarter]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2019-10-13 21:04:51,828 INFO L443 ceAbstractionStarter]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2019-10-13 21:04:51,828 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2019-10-13 21:04:51,829 INFO L446 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2019-10-13 21:04:51,829 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-13 21:04:51,829 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2019-10-13 21:04:51,833 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-13 21:04:51,833 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: false [2019-10-13 21:04:51,833 INFO L443 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2019-10-13 21:04:51,833 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2019-10-13 21:04:51,833 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2019-10-13 21:04:51,834 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-13 21:04:51,834 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2019-10-13 21:04:51,834 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2019-10-13 21:04:51,834 INFO L439 ceAbstractionStarter]: At program point L622-3(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2019-10-13 21:04:51,834 INFO L446 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: true [2019-10-13 21:04:51,835 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-13 21:04:51,835 INFO L439 ceAbstractionStarter]: At program point L618-2(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-13 21:04:51,835 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-10-13 21:04:51,835 INFO L443 ceAbstractionStarter]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2019-10-13 21:04:51,836 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: true [2019-10-13 21:04:51,836 INFO L439 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2019-10-13 21:04:51,836 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2019-10-13 21:04:51,836 INFO L443 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-13 21:04:51,836 INFO L446 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2019-10-13 21:04:51,837 INFO L446 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2019-10-13 21:04:51,837 INFO L443 ceAbstractionStarter]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2019-10-13 21:04:51,837 INFO L443 ceAbstractionStarter]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2019-10-13 21:04:51,837 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2019-10-13 21:04:51,837 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-13 21:04:51,837 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2019-10-13 21:04:51,837 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2019-10-13 21:04:51,838 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2019-10-13 21:04:51,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:04:51 BoogieIcfgContainer [2019-10-13 21:04:51,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:04:51,853 INFO L168 Benchmark]: Toolchain (without parser) took 2185.04 ms. Allocated memory was 137.9 MB in the beginning and 235.4 MB in the end (delta: 97.5 MB). Free memory was 101.4 MB in the beginning and 187.8 MB in the end (delta: -86.4 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:51,854 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:04:51,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.82 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:51,856 INFO L168 Benchmark]: Boogie Preprocessor took 73.84 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 165.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:51,857 INFO L168 Benchmark]: RCFGBuilder took 682.61 ms. Allocated memory is still 202.9 MB. Free memory was 165.0 MB in the beginning and 116.3 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:51,858 INFO L168 Benchmark]: TraceAbstraction took 753.21 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 116.3 MB in the beginning and 187.8 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:04:51,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.82 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.84 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 165.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 682.61 ms. Allocated memory is still 202.9 MB. Free memory was 165.0 MB in the beginning and 116.3 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 753.21 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 116.3 MB in the beginning and 187.8 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 <= i && 2 <= len - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 85 SDtfs, 7 SDslu, 47 SDs, 0 SdLazy, 7 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 30 PreInvPairs, 36 NumberOfFragments, 34 HoareAnnotationTreeSize, 30 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...