/usr/bin/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-fb55353 [2019-11-07 00:31:47,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:31:47,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:31:47,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:31:47,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:31:47,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:31:47,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:31:47,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:31:47,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:31:47,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:31:47,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:31:47,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:31:47,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:31:47,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:31:47,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:31:47,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:31:47,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:31:47,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:31:47,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:31:47,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:31:47,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:31:47,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:31:47,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:31:47,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:31:47,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:31:47,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:31:47,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:31:47,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:31:47,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:31:47,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:31:47,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:31:47,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:31:47,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:31:47,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:31:47,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:31:47,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:31:47,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:31:47,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:31:47,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:31:47,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:31:47,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:31:47,323 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 [2019-11-07 00:31:47,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:31:47,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:31:47,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:31:47,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:31:47,342 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:31:47,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:31:47,342 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:31:47,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:31:47,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:31:47,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:31:47,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:31:47,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:31:47,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:31:47,344 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:31:47,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:31:47,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:31:47,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:31:47,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:31:47,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:31:47,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:31:47,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:31:47,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:31:47,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:31:47,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:31:47,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:31:47,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:31:47,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:31:47,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:31:47,347 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 [2019-11-07 00:31:47,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:31:47,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:31:47,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:31:47,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:31:47,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:31:47,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-11-07 00:31:47,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9dc0ee38/9c16495086aa4ee0918b28696d590658/FLAG200199a8c [2019-11-07 00:31:48,246 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:31:48,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-11-07 00:31:48,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9dc0ee38/9c16495086aa4ee0918b28696d590658/FLAG200199a8c [2019-11-07 00:31:48,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9dc0ee38/9c16495086aa4ee0918b28696d590658 [2019-11-07 00:31:48,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:31:48,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:31:48,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:31:48,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:31:48,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:31:48,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:31:48" (1/1) ... [2019-11-07 00:31:48,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b43d622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:48, skipping insertion in model container [2019-11-07 00:31:48,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:31:48" (1/1) ... [2019-11-07 00:31:48,617 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:31:48,670 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:31:49,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:31:49,133 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:31:49,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:31:49,245 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:31:49,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49 WrapperNode [2019-11-07 00:31:49,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:31:49,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:31:49,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:31:49,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:31:49,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (1/1) ... [2019-11-07 00:31:49,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:31:49,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:31:49,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:31:49,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:31:49,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (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 [2019-11-07 00:31:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:31:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:31:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 00:31:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 00:31:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 00:31:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 00:31:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-11-07 00:31:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-11-07 00:31:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-11-07 00:31:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-11-07 00:31:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:31:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:31:49,379 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 00:31:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 00:31:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 00:31:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 00:31:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 00:31:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 00:31:49,380 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 00:31:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 00:31:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 00:31:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 00:31:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 00:31:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 00:31:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 00:31:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 00:31:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 00:31:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 00:31:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 00:31:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 00:31:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 00:31:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 00:31:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 00:31:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 00:31:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 00:31:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 00:31:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 00:31:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 00:31:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 00:31:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 00:31:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 00:31:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 00:31:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 00:31:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 00:31:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 00:31:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 00:31:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 00:31:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 00:31:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 00:31:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 00:31:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 00:31:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 00:31:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 00:31:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 00:31:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 00:31:49,387 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:31:49,388 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 00:31:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 00:31:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 00:31:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 00:31:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 00:31:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 00:31:49,389 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 00:31:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 00:31:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 00:31:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 00:31:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 00:31:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 00:31:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 00:31:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 00:31:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 00:31:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 00:31:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 00:31:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 00:31:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 00:31:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 00:31:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:31:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:31:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:31:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-11-07 00:31:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:31:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:31:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:31:49,828 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 00:31:50,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:31:50,014 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-07 00:31:50,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:31:50 BoogieIcfgContainer [2019-11-07 00:31:50,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:31:50,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:31:50,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:31:50,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:31:50,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:31:48" (1/3) ... [2019-11-07 00:31:50,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8c6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:31:50, skipping insertion in model container [2019-11-07 00:31:50,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:31:49" (2/3) ... [2019-11-07 00:31:50,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b8c6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:31:50, skipping insertion in model container [2019-11-07 00:31:50,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:31:50" (3/3) ... [2019-11-07 00:31:50,023 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2019-11-07 00:31:50,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:31:50,040 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:31:50,051 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:31:50,072 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:31:50,072 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:31:50,072 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:31:50,072 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:31:50,073 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:31:50,073 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:31:50,073 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:31:50,073 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:31:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2019-11-07 00:31:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-07 00:31:50,102 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:50,103 INFO L410 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] [2019-11-07 00:31:50,106 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:50,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:50,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1303429635, now seen corresponding path program 1 times [2019-11-07 00:31:50,123 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:50,123 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180633815] [2019-11-07 00:31:50,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:31:50,285 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180633815] [2019-11-07 00:31:50,286 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:31:50,286 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:31:50,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014688987] [2019-11-07 00:31:50,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:31:50,295 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:50,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:31:50,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:31:50,314 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 2 states. [2019-11-07 00:31:50,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:50,354 INFO L93 Difference]: Finished difference Result 86 states and 113 transitions. [2019-11-07 00:31:50,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:31:50,355 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-11-07 00:31:50,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:50,366 INFO L225 Difference]: With dead ends: 86 [2019-11-07 00:31:50,367 INFO L226 Difference]: Without dead ends: 38 [2019-11-07 00:31:50,369 INFO L630 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 [2019-11-07 00:31:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-07 00:31:50,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-07 00:31:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-07 00:31:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2019-11-07 00:31:50,415 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2019-11-07 00:31:50,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:50,416 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2019-11-07 00:31:50,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:31:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-11-07 00:31:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-07 00:31:50,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:31:50,420 INFO L410 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] [2019-11-07 00:31:50,420 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:31:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:31:50,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2048382207, now seen corresponding path program 1 times [2019-11-07 00:31:50,421 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:31:50,421 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024580190] [2019-11-07 00:31:50,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:31:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:31:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:31:50,528 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024580190] [2019-11-07 00:31:50,529 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:31:50,529 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:31:50,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014490377] [2019-11-07 00:31:50,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:31:50,534 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:31:50,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:31:50,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:31:50,536 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 4 states. [2019-11-07 00:31:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:31:50,620 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2019-11-07 00:31:50,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:31:50,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-11-07 00:31:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:31:50,622 INFO L225 Difference]: With dead ends: 43 [2019-11-07 00:31:50,622 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:31:50,623 INFO L630 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 [2019-11-07 00:31:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:31:50,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:31:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:31:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:31:50,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-07 00:31:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:31:50,626 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:31:50,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:31:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:31:50,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:31:50,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:31:50,708 INFO L446 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: true [2019-11-07 00:31:50,709 INFO L443 ceAbstractionStarter]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2019-11-07 00:31:50,709 INFO L446 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: true [2019-11-07 00:31:50,709 INFO L443 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2019-11-07 00:31:50,709 INFO L443 ceAbstractionStarter]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2019-11-07 00:31:50,709 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:31:50,710 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:31:50,710 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:31:50,710 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-11-07 00:31:50,710 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-11-07 00:31:50,710 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-11-07 00:31:50,710 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2019-11-07 00:31:50,710 INFO L446 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2019-11-07 00:31:50,711 INFO L446 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2019-11-07 00:31:50,711 INFO L443 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2019-11-07 00:31:50,711 INFO L443 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2019-11-07 00:31:50,711 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-11-07 00:31:50,711 INFO L443 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2019-11-07 00:31:50,711 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2019-11-07 00:31:50,711 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2019-11-07 00:31:50,711 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:31:50,712 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 00:31:50,713 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:31:50,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:31:50,713 INFO L446 ceAbstractionStarter]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2019-11-07 00:31:50,713 INFO L443 ceAbstractionStarter]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2019-11-07 00:31:50,713 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2019-11-07 00:31:50,713 INFO L446 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2019-11-07 00:31:50,713 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2019-11-07 00:31:50,714 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2019-11-07 00:31:50,714 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-11-07 00:31:50,714 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: false [2019-11-07 00:31:50,714 INFO L443 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2019-11-07 00:31:50,714 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2019-11-07 00:31:50,714 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2019-11-07 00:31:50,715 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2019-11-07 00:31:50,715 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2019-11-07 00:31:50,715 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2019-11-07 00:31:50,715 INFO L439 ceAbstractionStarter]: At program point L622-3(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2019-11-07 00:31:50,715 INFO L446 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: true [2019-11-07 00:31:50,715 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2019-11-07 00:31:50,716 INFO L439 ceAbstractionStarter]: At program point L618-2(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2019-11-07 00:31:50,716 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-11-07 00:31:50,716 INFO L443 ceAbstractionStarter]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2019-11-07 00:31:50,716 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2019-11-07 00:31:50,716 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: true [2019-11-07 00:31:50,716 INFO L439 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2019-11-07 00:31:50,717 INFO L443 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2019-11-07 00:31:50,717 INFO L446 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2019-11-07 00:31:50,717 INFO L446 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2019-11-07 00:31:50,717 INFO L443 ceAbstractionStarter]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2019-11-07 00:31:50,717 INFO L443 ceAbstractionStarter]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2019-11-07 00:31:50,717 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2019-11-07 00:31:50,717 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-11-07 00:31:50,718 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2019-11-07 00:31:50,718 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2019-11-07 00:31:50,718 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2019-11-07 00:31:50,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:31:50 BoogieIcfgContainer [2019-11-07 00:31:50,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:31:50,733 INFO L168 Benchmark]: Toolchain (without parser) took 2133.37 ms. Allocated memory was 137.9 MB in the beginning and 233.8 MB in the end (delta: 95.9 MB). Free memory was 100.0 MB in the beginning and 187.8 MB in the end (delta: -87.7 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:50,734 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 00:31:50,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.54 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 167.3 MB in the end (delta: -67.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:50,736 INFO L168 Benchmark]: Boogie Preprocessor took 66.00 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 164.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:50,737 INFO L168 Benchmark]: RCFGBuilder took 702.94 ms. Allocated memory is still 202.4 MB. Free memory was 164.6 MB in the beginning and 116.0 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-11-07 00:31:50,738 INFO L168 Benchmark]: TraceAbstraction took 713.87 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 116.0 MB in the beginning and 187.8 MB in the end (delta: -71.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 00:31:50,742 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 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.54 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 167.3 MB in the end (delta: -67.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.00 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 164.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 702.94 ms. Allocated memory is still 202.4 MB. Free memory was 164.6 MB in the beginning and 116.0 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 713.87 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 116.0 MB in the beginning and 187.8 MB in the end (delta: -71.8 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...