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/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:12:30,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:12:30,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:12:30,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:12:30,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:12:30,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:12:30,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:12:30,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:12:30,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:12:30,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:12:30,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:12:30,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:12:30,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:12:30,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:12:30,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:12:30,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:12:30,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:12:30,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:12:30,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:12:30,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:12:30,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:12:30,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:12:30,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:12:30,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:12:30,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:12:30,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:12:30,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:12:30,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:12:30,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:12:30,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:12:30,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:12:30,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:12:30,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:12:30,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:12:30,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:12:30,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:12:30,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:12:30,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:12:30,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:12:30,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:12:30,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:12:30,315 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 20:12:30,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:12:30,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:12:30,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:12:30,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:12:30,332 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:12:30,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:12:30,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:12:30,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:12:30,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:12:30,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:12:30,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:12:30,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:12:30,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:12:30,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:12:30,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:12:30,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:12:30,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:12:30,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:12:30,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:12:30,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:12:30,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:12:30,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:12:30,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:12:30,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:12:30,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:12:30,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:12:30,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:12:30,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:12:30,336 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 20:12:30,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:12:30,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:12:30,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:12:30,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:12:30,650 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:12:30,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2019-10-13 20:12:30,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ea0ac1a/d3be5a383f9b45bb820f23f2af4dd5da/FLAGf256d03bf [2019-10-13 20:12:31,294 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:12:31,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2019-10-13 20:12:31,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ea0ac1a/d3be5a383f9b45bb820f23f2af4dd5da/FLAGf256d03bf [2019-10-13 20:12:31,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ea0ac1a/d3be5a383f9b45bb820f23f2af4dd5da [2019-10-13 20:12:31,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:12:31,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:12:31,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:12:31,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:12:31,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:12:31,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:31" (1/1) ... [2019-10-13 20:12:31,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee143ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:31, skipping insertion in model container [2019-10-13 20:12:31,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:31" (1/1) ... [2019-10-13 20:12:31,600 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:12:31,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:12:32,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:12:32,250 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:12:32,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:12:32,421 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:12:32,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32 WrapperNode [2019-10-13 20:12:32,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:12:32,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:12:32,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:12:32,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:12:32,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (1/1) ... [2019-10-13 20:12:32,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:12:32,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:12:32,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:12:32,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:12:32,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (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 20:12:32,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:12:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:12:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:12:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 20:12:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 20:12:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-10-13 20:12:32,570 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2019-10-13 20:12:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2019-10-13 20:12:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2019-10-13 20:12:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2019-10-13 20:12:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2019-10-13 20:12:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2019-10-13 20:12:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2019-10-13 20:12:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2019-10-13 20:12:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2019-10-13 20:12:32,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2019-10-13 20:12:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2019-10-13 20:12:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2019-10-13 20:12:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2019-10-13 20:12:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2019-10-13 20:12:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2019-10-13 20:12:32,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:12:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:12:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 20:12:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 20:12:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 20:12:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 20:12:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 20:12:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 20:12:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 20:12:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 20:12:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 20:12:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 20:12:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 20:12:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 20:12:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 20:12:32,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 20:12:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 20:12:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 20:12:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 20:12:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 20:12:32,577 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 20:12:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 20:12:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 20:12:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 20:12:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 20:12:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 20:12:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 20:12:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 20:12:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 20:12:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 20:12:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 20:12:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 20:12:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 20:12:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 20:12:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 20:12:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 20:12:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 20:12:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 20:12:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 20:12:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 20:12:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 20:12:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 20:12:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:12:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:12:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 20:12:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:12:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 20:12:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 20:12:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 20:12:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 20:12:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 20:12:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 20:12:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 20:12:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 20:12:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 20:12:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 20:12:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 20:12:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 20:12:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 20:12:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 20:12:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 20:12:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 20:12:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 20:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 20:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 20:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 20:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 20:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 20:12:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:12:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:12:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2019-10-13 20:12:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2019-10-13 20:12:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:12:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2019-10-13 20:12:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2019-10-13 20:12:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2019-10-13 20:12:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2019-10-13 20:12:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2019-10-13 20:12:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2019-10-13 20:12:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2019-10-13 20:12:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2019-10-13 20:12:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2019-10-13 20:12:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2019-10-13 20:12:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:12:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:12:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:12:33,495 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:12:33,495 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-13 20:12:33,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:33 BoogieIcfgContainer [2019-10-13 20:12:33,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:12:33,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:12:33,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:12:33,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:12:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:12:31" (1/3) ... [2019-10-13 20:12:33,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca4f0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:33, skipping insertion in model container [2019-10-13 20:12:33,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:32" (2/3) ... [2019-10-13 20:12:33,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca4f0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:33, skipping insertion in model container [2019-10-13 20:12:33,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:33" (3/3) ... [2019-10-13 20:12:33,507 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2019-10-13 20:12:33,518 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:12:33,528 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:12:33,540 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:12:33,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:12:33,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:12:33,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:12:33,579 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:12:33,579 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:12:33,580 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:12:33,580 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:12:33,580 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:12:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-10-13 20:12:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 20:12:33,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:12:33,629 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:12:33,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:12:33,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:33,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1405399524, now seen corresponding path program 1 times [2019-10-13 20:12:33,649 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:12:33,649 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222164585] [2019-10-13 20:12:33,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:33,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:33,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:12:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 20:12:33,860 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222164585] [2019-10-13 20:12:33,861 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705668591] [2019-10-13 20:12:33,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:12:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:34,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-13 20:12:34,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:12:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 20:12:34,159 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:12:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 20:12:34,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 20:12:34,311 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2, 2] total 2 [2019-10-13 20:12:34,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757918850] [2019-10-13 20:12:34,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 20:12:34,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:12:34,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 20:12:34,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 20:12:34,337 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2019-10-13 20:12:34,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:12:34,413 INFO L93 Difference]: Finished difference Result 329 states and 517 transitions. [2019-10-13 20:12:34,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 20:12:34,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 20:12:34,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:12:34,430 INFO L225 Difference]: With dead ends: 329 [2019-10-13 20:12:34,430 INFO L226 Difference]: Without dead ends: 155 [2019-10-13 20:12:34,442 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 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 20:12:34,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-10-13 20:12:34,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-10-13 20:12:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-13 20:12:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2019-10-13 20:12:34,500 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 59 [2019-10-13 20:12:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:12:34,501 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2019-10-13 20:12:34,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 20:12:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2019-10-13 20:12:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 20:12:34,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:12:34,505 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:12:34,709 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:12:34,711 INFO L410 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:12:34,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:34,712 INFO L82 PathProgramCache]: Analyzing trace with hash 747676979, now seen corresponding path program 1 times [2019-10-13 20:12:34,712 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:12:34,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428267064] [2019-10-13 20:12:34,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:34,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:34,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:12:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 20:12:35,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428267064] [2019-10-13 20:12:35,275 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:12:35,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-10-13 20:12:35,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319404608] [2019-10-13 20:12:35,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-13 20:12:35,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:12:35,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-13 20:12:35,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2019-10-13 20:12:35,278 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand 21 states. [2019-10-13 20:12:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:12:36,142 INFO L93 Difference]: Finished difference Result 336 states and 416 transitions. [2019-10-13 20:12:36,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 20:12:36,158 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 60 [2019-10-13 20:12:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:12:36,163 INFO L225 Difference]: With dead ends: 336 [2019-10-13 20:12:36,164 INFO L226 Difference]: Without dead ends: 267 [2019-10-13 20:12:36,166 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2019-10-13 20:12:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-10-13 20:12:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 217. [2019-10-13 20:12:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-10-13 20:12:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 264 transitions. [2019-10-13 20:12:36,198 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 264 transitions. Word has length 60 [2019-10-13 20:12:36,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:12:36,199 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 264 transitions. [2019-10-13 20:12:36,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-13 20:12:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 264 transitions. [2019-10-13 20:12:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 20:12:36,203 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:12:36,203 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:12:36,204 INFO L410 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:12:36,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:36,206 INFO L82 PathProgramCache]: Analyzing trace with hash 65445028, now seen corresponding path program 1 times [2019-10-13 20:12:36,207 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:12:36,207 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103658910] [2019-10-13 20:12:36,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:36,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:36,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:12:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 20:12:36,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103658910] [2019-10-13 20:12:36,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723636501] [2019-10-13 20:12:36,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:12:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:36,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 20:12:36,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:12:36,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-13 20:12:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 20:12:36,633 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:12:36,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-13 20:12:36,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-10-13 20:12:36,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-13 20:12:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 20:12:36,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [162604556] [2019-10-13 20:12:36,911 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 64 [2019-10-13 20:12:36,947 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 20:12:36,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 20:12:37,011 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 20:12:37,013 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 35 root evaluator evaluations with a maximum evaluation depth of 0. Performed 35 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 27 variables. [2019-10-13 20:12:37,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:37,017 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 20:12:37,070 INFO L227 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 100% of their original sizes. [2019-10-13 20:12:37,070 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 20:12:37,075 INFO L553 sIntCurrentIteration]: We unified 62 AI predicates to 62 [2019-10-13 20:12:37,075 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 20:12:37,076 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 20:12:37,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5] total 6 [2019-10-13 20:12:37,076 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506925239] [2019-10-13 20:12:37,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 20:12:37,078 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 20:12:37,078 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 20:12:37,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 20:12:37,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 20:12:37,079 INFO L87 Difference]: Start difference. First operand 217 states and 264 transitions. Second operand 2 states. [2019-10-13 20:12:37,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:12:37,105 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2019-10-13 20:12:37,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 20:12:37,105 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 63 [2019-10-13 20:12:37,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:12:37,106 INFO L225 Difference]: With dead ends: 218 [2019-10-13 20:12:37,106 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 20:12:37,107 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 20:12:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 20:12:37,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 20:12:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 20:12:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 20:12:37,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-13 20:12:37,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:12:37,109 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 20:12:37,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 20:12:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 20:12:37,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 20:12:37,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:12:37,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 20:12:37,504 INFO L443 ceAbstractionStarter]: For program point dll_create_slaveFINAL(lines 584 587) no Hoare annotation was computed. [2019-10-13 20:12:37,505 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 20:12:37,505 INFO L446 ceAbstractionStarter]: At program point dll_create_slaveENTRY(lines 584 587) the Hoare annotation is: true [2019-10-13 20:12:37,505 INFO L443 ceAbstractionStarter]: For program point dll_create_slaveEXIT(lines 584 587) no Hoare annotation was computed. [2019-10-13 20:12:37,505 INFO L443 ceAbstractionStarter]: For program point dll_create_masterEXIT(lines 628 631) no Hoare annotation was computed. [2019-10-13 20:12:37,506 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-13 20:12:37,506 INFO L446 ceAbstractionStarter]: At program point dll_create_masterENTRY(lines 628 631) the Hoare annotation is: true [2019-10-13 20:12:37,506 INFO L443 ceAbstractionStarter]: For program point dll_create_masterFINAL(lines 628 631) no Hoare annotation was computed. [2019-10-13 20:12:37,506 INFO L446 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: true [2019-10-13 20:12:37,506 INFO L443 ceAbstractionStarter]: For program point L599-1(line 599) no Hoare annotation was computed. [2019-10-13 20:12:37,506 INFO L446 ceAbstractionStarter]: At program point L598-2(lines 598 601) the Hoare annotation is: true [2019-10-13 20:12:37,506 INFO L443 ceAbstractionStarter]: For program point L598-3(lines 596 602) no Hoare annotation was computed. [2019-10-13 20:12:37,507 INFO L446 ceAbstractionStarter]: At program point dll_destroy_nested_listsENTRY(lines 596 602) the Hoare annotation is: true [2019-10-13 20:12:37,507 INFO L443 ceAbstractionStarter]: For program point dll_destroy_nested_listsEXIT(lines 596 602) no Hoare annotation was computed. [2019-10-13 20:12:37,507 INFO L443 ceAbstractionStarter]: For program point L625(line 625) no Hoare annotation was computed. [2019-10-13 20:12:37,507 INFO L446 ceAbstractionStarter]: At program point dll_insert_masterENTRY(lines 618 627) the Hoare annotation is: true [2019-10-13 20:12:37,507 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 624) no Hoare annotation was computed. [2019-10-13 20:12:37,507 INFO L446 ceAbstractionStarter]: At program point L623-2(lines 623 624) the Hoare annotation is: true [2019-10-13 20:12:37,507 INFO L446 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: true [2019-10-13 20:12:37,507 INFO L443 ceAbstractionStarter]: For program point dll_insert_masterEXIT(lines 618 627) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point dll_insert_masterFINAL(lines 618 627) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 180 184) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 180 184) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 180 184) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point L612-3(lines 610 617) no Hoare annotation was computed. [2019-10-13 20:12:37,508 INFO L446 ceAbstractionStarter]: At program point dll_destroy_masterENTRY(lines 610 617) the Hoare annotation is: true [2019-10-13 20:12:37,508 INFO L443 ceAbstractionStarter]: For program point dll_destroy_masterEXIT(lines 610 617) no Hoare annotation was computed. [2019-10-13 20:12:37,509 INFO L446 ceAbstractionStarter]: At program point L612-2(lines 612 616) the Hoare annotation is: true [2019-10-13 20:12:37,509 INFO L439 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: false [2019-10-13 20:12:37,509 INFO L443 ceAbstractionStarter]: For program point dll_create_genericFINAL(lines 575 583) no Hoare annotation was computed. [2019-10-13 20:12:37,509 INFO L446 ceAbstractionStarter]: At program point dll_create_genericENTRY(lines 575 583) the Hoare annotation is: true [2019-10-13 20:12:37,511 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: false [2019-10-13 20:12:37,511 INFO L443 ceAbstractionStarter]: For program point dll_create_genericEXIT(lines 575 583) no Hoare annotation was computed. [2019-10-13 20:12:37,511 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 581) no Hoare annotation was computed. [2019-10-13 20:12:37,511 INFO L439 ceAbstractionStarter]: At program point L581-1(lines 579 581) the Hoare annotation is: false [2019-10-13 20:12:37,511 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: false [2019-10-13 20:12:37,512 INFO L443 ceAbstractionStarter]: For program point L580-2(lines 580 581) no Hoare annotation was computed. [2019-10-13 20:12:37,512 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 185 189) no Hoare annotation was computed. [2019-10-13 20:12:37,512 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 185 189) no Hoare annotation was computed. [2019-10-13 20:12:37,512 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 185 189) no Hoare annotation was computed. [2019-10-13 20:12:37,512 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: false [2019-10-13 20:12:37,512 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-13 20:12:37,512 INFO L439 ceAbstractionStarter]: At program point L673-1(line 673) the Hoare annotation is: false [2019-10-13 20:12:37,512 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 670 680) the Hoare annotation is: true [2019-10-13 20:12:37,513 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 670 680) no Hoare annotation was computed. [2019-10-13 20:12:37,513 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 670 680) no Hoare annotation was computed. [2019-10-13 20:12:37,513 INFO L443 ceAbstractionStarter]: For program point L678(line 678) no Hoare annotation was computed. [2019-10-13 20:12:37,513 INFO L446 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: true [2019-10-13 20:12:37,513 INFO L439 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: false [2019-10-13 20:12:37,513 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: false [2019-10-13 20:12:37,513 INFO L439 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: false [2019-10-13 20:12:37,513 INFO L443 ceAbstractionStarter]: For program point dll_destroy_slaveEXIT(lines 588 595) no Hoare annotation was computed. [2019-10-13 20:12:37,514 INFO L446 ceAbstractionStarter]: At program point L590-2(lines 590 594) the Hoare annotation is: true [2019-10-13 20:12:37,514 INFO L443 ceAbstractionStarter]: For program point L590-3(lines 588 595) no Hoare annotation was computed. [2019-10-13 20:12:37,514 INFO L446 ceAbstractionStarter]: At program point dll_destroy_slaveENTRY(lines 588 595) the Hoare annotation is: true [2019-10-13 20:12:37,514 INFO L446 ceAbstractionStarter]: At program point failENTRY(lines 535 537) the Hoare annotation is: true [2019-10-13 20:12:37,514 INFO L443 ceAbstractionStarter]: For program point failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-10-13 20:12:37,515 INFO L443 ceAbstractionStarter]: For program point failEXIT(lines 535 537) no Hoare annotation was computed. [2019-10-13 20:12:37,515 INFO L443 ceAbstractionStarter]: For program point failFINAL(lines 535 537) no Hoare annotation was computed. [2019-10-13 20:12:37,515 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,516 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 20:12:37,516 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,516 INFO L446 ceAbstractionStarter]: At program point dll_reinit_nested_listsENTRY(lines 603 609) the Hoare annotation is: true [2019-10-13 20:12:37,516 INFO L446 ceAbstractionStarter]: At program point L605-2(lines 605 608) the Hoare annotation is: true [2019-10-13 20:12:37,516 INFO L443 ceAbstractionStarter]: For program point dll_reinit_nested_listsEXIT(lines 603 609) no Hoare annotation was computed. [2019-10-13 20:12:37,519 INFO L443 ceAbstractionStarter]: For program point L605-3(lines 603 609) no Hoare annotation was computed. [2019-10-13 20:12:37,519 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,519 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,519 INFO L446 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2019-10-13 20:12:37,520 INFO L446 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2019-10-13 20:12:37,520 INFO L446 ceAbstractionStarter]: At program point L-1-3(line -1) the Hoare annotation is: true [2019-10-13 20:12:37,521 INFO L443 ceAbstractionStarter]: For program point L-1-4(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,521 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 668) no Hoare annotation was computed. [2019-10-13 20:12:37,521 INFO L446 ceAbstractionStarter]: At program point L667-2(lines 666 668) the Hoare annotation is: true [2019-10-13 20:12:37,521 INFO L443 ceAbstractionStarter]: For program point L667-3(lines 664 669) no Hoare annotation was computed. [2019-10-13 20:12:37,522 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-13 20:12:37,522 INFO L446 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2019-10-13 20:12:37,522 INFO L446 ceAbstractionStarter]: At program point L668-2(line 668) the Hoare annotation is: true [2019-10-13 20:12:37,522 INFO L443 ceAbstractionStarter]: For program point L668-4(line 668) no Hoare annotation was computed. [2019-10-13 20:12:37,522 INFO L446 ceAbstractionStarter]: At program point L668-5(line 668) the Hoare annotation is: true [2019-10-13 20:12:37,522 INFO L443 ceAbstractionStarter]: For program point inspect_initEXIT(lines 664 669) no Hoare annotation was computed. [2019-10-13 20:12:37,522 INFO L446 ceAbstractionStarter]: At program point inspect_initENTRY(lines 664 669) the Hoare annotation is: true [2019-10-13 20:12:37,522 INFO L443 ceAbstractionStarter]: For program point L638-1(line 638) no Hoare annotation was computed. [2019-10-13 20:12:37,522 INFO L446 ceAbstractionStarter]: At program point L638-2(line 638) the Hoare annotation is: true [2019-10-13 20:12:37,523 INFO L443 ceAbstractionStarter]: For program point L638-4(line 638) no Hoare annotation was computed. [2019-10-13 20:12:37,523 INFO L446 ceAbstractionStarter]: At program point L638-5(line 638) the Hoare annotation is: true [2019-10-13 20:12:37,523 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-13 20:12:37,523 INFO L446 ceAbstractionStarter]: At program point L639-1(line 639) the Hoare annotation is: true [2019-10-13 20:12:37,523 INFO L443 ceAbstractionStarter]: For program point L639-3(line 639) no Hoare annotation was computed. [2019-10-13 20:12:37,523 INFO L443 ceAbstractionStarter]: For program point L639-4(lines 637 641) no Hoare annotation was computed. [2019-10-13 20:12:37,523 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-13 20:12:37,523 INFO L446 ceAbstractionStarter]: At program point L640-1(line 640) the Hoare annotation is: true [2019-10-13 20:12:37,523 INFO L443 ceAbstractionStarter]: For program point L640-3(line 640) no Hoare annotation was computed. [2019-10-13 20:12:37,524 INFO L443 ceAbstractionStarter]: For program point L640-4(lines 637 641) no Hoare annotation was computed. [2019-10-13 20:12:37,524 INFO L443 ceAbstractionStarter]: For program point inspect_baseEXIT(lines 632 642) no Hoare annotation was computed. [2019-10-13 20:12:37,525 INFO L446 ceAbstractionStarter]: At program point inspect_baseENTRY(lines 632 642) the Hoare annotation is: true [2019-10-13 20:12:37,525 INFO L446 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: true [2019-10-13 20:12:37,525 INFO L443 ceAbstractionStarter]: For program point L634-3(line 634) no Hoare annotation was computed. [2019-10-13 20:12:37,525 INFO L446 ceAbstractionStarter]: At program point L634-4(line 634) the Hoare annotation is: true [2019-10-13 20:12:37,525 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-13 20:12:37,525 INFO L446 ceAbstractionStarter]: At program point L635-1(line 635) the Hoare annotation is: true [2019-10-13 20:12:37,525 INFO L443 ceAbstractionStarter]: For program point L635-3(line 635) no Hoare annotation was computed. [2019-10-13 20:12:37,526 INFO L443 ceAbstractionStarter]: For program point L635-4(lines 633 642) no Hoare annotation was computed. [2019-10-13 20:12:37,526 INFO L443 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2019-10-13 20:12:37,526 INFO L446 ceAbstractionStarter]: At program point L636-1(line 636) the Hoare annotation is: true [2019-10-13 20:12:37,526 INFO L443 ceAbstractionStarter]: For program point L636-3(line 636) no Hoare annotation was computed. [2019-10-13 20:12:37,526 INFO L443 ceAbstractionStarter]: For program point L636-4(lines 633 642) no Hoare annotation was computed. [2019-10-13 20:12:37,526 INFO L443 ceAbstractionStarter]: For program point L636-5(line 636) no Hoare annotation was computed. [2019-10-13 20:12:37,527 INFO L443 ceAbstractionStarter]: For program point L637-2(lines 637 641) no Hoare annotation was computed. [2019-10-13 20:12:37,527 INFO L446 ceAbstractionStarter]: At program point L637-3(lines 637 641) the Hoare annotation is: true [2019-10-13 20:12:37,527 INFO L443 ceAbstractionStarter]: For program point L637-4(lines 632 642) no Hoare annotation was computed. [2019-10-13 20:12:37,527 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 546) no Hoare annotation was computed. [2019-10-13 20:12:37,528 INFO L443 ceAbstractionStarter]: For program point L545-2(lines 545 546) no Hoare annotation was computed. [2019-10-13 20:12:37,528 INFO L443 ceAbstractionStarter]: For program point alloc_or_die_slaveEXIT(lines 542 550) no Hoare annotation was computed. [2019-10-13 20:12:37,528 INFO L446 ceAbstractionStarter]: At program point alloc_or_die_slaveENTRY(lines 542 550) the Hoare annotation is: true [2019-10-13 20:12:37,528 INFO L443 ceAbstractionStarter]: For program point alloc_or_die_slaveFINAL(lines 542 550) no Hoare annotation was computed. [2019-10-13 20:12:37,528 INFO L443 ceAbstractionStarter]: For program point inspect_fullEXIT(lines 643 657) no Hoare annotation was computed. [2019-10-13 20:12:37,528 INFO L446 ceAbstractionStarter]: At program point L648-1(line 648) the Hoare annotation is: true [2019-10-13 20:12:37,528 INFO L443 ceAbstractionStarter]: For program point L648-3(line 648) no Hoare annotation was computed. [2019-10-13 20:12:37,528 INFO L446 ceAbstractionStarter]: At program point L648-4(line 648) the Hoare annotation is: true [2019-10-13 20:12:37,528 INFO L446 ceAbstractionStarter]: At program point inspect_fullENTRY(lines 643 657) the Hoare annotation is: true [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L649(line 649) no Hoare annotation was computed. [2019-10-13 20:12:37,529 INFO L446 ceAbstractionStarter]: At program point L649-1(line 649) the Hoare annotation is: true [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L649-3(line 649) no Hoare annotation was computed. [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L649-4(lines 646 656) no Hoare annotation was computed. [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-10-13 20:12:37,529 INFO L446 ceAbstractionStarter]: At program point L650-1(line 650) the Hoare annotation is: true [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L650-3(line 650) no Hoare annotation was computed. [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L650-4(lines 646 656) no Hoare annotation was computed. [2019-10-13 20:12:37,529 INFO L443 ceAbstractionStarter]: For program point L650-5(line 650) no Hoare annotation was computed. [2019-10-13 20:12:37,530 INFO L443 ceAbstractionStarter]: For program point L651-2(lines 651 655) no Hoare annotation was computed. [2019-10-13 20:12:37,530 INFO L446 ceAbstractionStarter]: At program point L651-3(lines 651 655) the Hoare annotation is: true [2019-10-13 20:12:37,530 INFO L443 ceAbstractionStarter]: For program point L652-1(line 652) no Hoare annotation was computed. [2019-10-13 20:12:37,530 INFO L446 ceAbstractionStarter]: At program point L652-2(line 652) the Hoare annotation is: true [2019-10-13 20:12:37,530 INFO L443 ceAbstractionStarter]: For program point L652-4(line 652) no Hoare annotation was computed. [2019-10-13 20:12:37,530 INFO L446 ceAbstractionStarter]: At program point L652-5(line 652) the Hoare annotation is: true [2019-10-13 20:12:37,530 INFO L443 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2019-10-13 20:12:37,530 INFO L446 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: true [2019-10-13 20:12:37,530 INFO L443 ceAbstractionStarter]: For program point L653-3(line 653) no Hoare annotation was computed. [2019-10-13 20:12:37,531 INFO L443 ceAbstractionStarter]: For program point L653-4(lines 651 655) no Hoare annotation was computed. [2019-10-13 20:12:37,531 INFO L446 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2019-10-13 20:12:37,531 INFO L443 ceAbstractionStarter]: For program point L654(line 654) no Hoare annotation was computed. [2019-10-13 20:12:37,531 INFO L446 ceAbstractionStarter]: At program point L654-1(line 654) the Hoare annotation is: true [2019-10-13 20:12:37,533 INFO L443 ceAbstractionStarter]: For program point L654-3(line 654) no Hoare annotation was computed. [2019-10-13 20:12:37,533 INFO L443 ceAbstractionStarter]: For program point L654-4(lines 651 655) no Hoare annotation was computed. [2019-10-13 20:12:37,533 INFO L443 ceAbstractionStarter]: For program point L646-1(lines 646 656) no Hoare annotation was computed. [2019-10-13 20:12:37,533 INFO L446 ceAbstractionStarter]: At program point L646-2(lines 645 656) the Hoare annotation is: true [2019-10-13 20:12:37,533 INFO L443 ceAbstractionStarter]: For program point L646-3(lines 643 657) no Hoare annotation was computed. [2019-10-13 20:12:37,533 INFO L443 ceAbstractionStarter]: For program point alloc_or_die_masterFINAL(lines 556 565) no Hoare annotation was computed. [2019-10-13 20:12:37,533 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 560) no Hoare annotation was computed. [2019-10-13 20:12:37,534 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 560) no Hoare annotation was computed. [2019-10-13 20:12:37,534 INFO L443 ceAbstractionStarter]: For program point alloc_or_die_masterEXIT(lines 556 565) no Hoare annotation was computed. [2019-10-13 20:12:37,534 INFO L446 ceAbstractionStarter]: At program point alloc_or_die_masterENTRY(lines 556 565) the Hoare annotation is: true [2019-10-13 20:12:37,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,534 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 20:12:37,534 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 20:12:37,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 20:12:37,534 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 572) no Hoare annotation was computed. [2019-10-13 20:12:37,535 INFO L443 ceAbstractionStarter]: For program point L571-2(lines 571 572) no Hoare annotation was computed. [2019-10-13 20:12:37,535 INFO L443 ceAbstractionStarter]: For program point dll_insert_slaveEXIT(lines 566 574) no Hoare annotation was computed. [2019-10-13 20:12:37,535 INFO L446 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: true [2019-10-13 20:12:37,535 INFO L443 ceAbstractionStarter]: For program point L568-1(line 568) no Hoare annotation was computed. [2019-10-13 20:12:37,535 INFO L446 ceAbstractionStarter]: At program point dll_insert_slaveENTRY(lines 566 574) the Hoare annotation is: true [2019-10-13 20:12:37,535 INFO L443 ceAbstractionStarter]: For program point dll_insert_slaveFINAL(lines 566 574) no Hoare annotation was computed. [2019-10-13 20:12:37,535 INFO L443 ceAbstractionStarter]: For program point L661-1(lines 661 662) no Hoare annotation was computed. [2019-10-13 20:12:37,535 INFO L446 ceAbstractionStarter]: At program point L661-2(lines 660 662) the Hoare annotation is: true [2019-10-13 20:12:37,536 INFO L443 ceAbstractionStarter]: For program point L661-3(lines 658 663) no Hoare annotation was computed. [2019-10-13 20:12:37,536 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-10-13 20:12:37,537 INFO L446 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: true [2019-10-13 20:12:37,537 INFO L446 ceAbstractionStarter]: At program point L662-2(line 662) the Hoare annotation is: true [2019-10-13 20:12:37,537 INFO L443 ceAbstractionStarter]: For program point L662-4(line 662) no Hoare annotation was computed. [2019-10-13 20:12:37,537 INFO L446 ceAbstractionStarter]: At program point L662-5(line 662) the Hoare annotation is: true [2019-10-13 20:12:37,537 INFO L443 ceAbstractionStarter]: For program point inspect_danglingEXIT(lines 658 663) no Hoare annotation was computed. [2019-10-13 20:12:37,537 INFO L446 ceAbstractionStarter]: At program point inspect_danglingENTRY(lines 658 663) the Hoare annotation is: true [2019-10-13 20:12:37,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:12:37 BoogieIcfgContainer [2019-10-13 20:12:37,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 20:12:37,551 INFO L168 Benchmark]: Toolchain (without parser) took 5968.58 ms. Allocated memory was 144.2 MB in the beginning and 291.0 MB in the end (delta: 146.8 MB). Free memory was 100.6 MB in the beginning and 223.0 MB in the end (delta: -122.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:37,552 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 20:12:37,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.22 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 162.9 MB in the end (delta: -62.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:37,554 INFO L168 Benchmark]: Boogie Preprocessor took 89.93 ms. Allocated memory is still 201.3 MB. Free memory was 162.9 MB in the beginning and 158.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:37,555 INFO L168 Benchmark]: RCFGBuilder took 984.26 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 158.2 MB in the beginning and 202.1 MB in the end (delta: -43.9 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:37,556 INFO L168 Benchmark]: TraceAbstraction took 4050.46 ms. Allocated memory was 232.8 MB in the beginning and 291.0 MB in the end (delta: 58.2 MB). Free memory was 202.1 MB in the beginning and 223.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:37,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 839.22 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 162.9 MB in the end (delta: -62.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.93 ms. Allocated memory is still 201.3 MB. Free memory was 162.9 MB in the beginning and 158.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 984.26 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 158.2 MB in the beginning and 202.1 MB in the end (delta: -43.9 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4050.46 ms. Allocated memory was 232.8 MB in the beginning and 291.0 MB in the end (delta: 58.2 MB). Free memory was 202.1 MB in the beginning and 223.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 379 SDtfs, 142 SDslu, 3013 SDs, 0 SdLazy, 661 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 50 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 277 PreInvPairs, 278 NumberOfFragments, 69 HoareAnnotationTreeSize, 277 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 67834 SizeOfPredicates, 2 NumberOfNonLiveVariables, 605 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 90/119 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 106, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9758064516129032, AVG_VARS_REMOVED_DURING_WEAKENING: 1.2580645161290323, AVG_WEAKENED_CONJUNCTS: 0.1935483870967742, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...