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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:59:52,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:59:52,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:59:52,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:59:52,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:59:52,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:59:52,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:59:52,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:59:52,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:59:52,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:59:52,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:59:52,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:59:52,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:59:52,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:59:52,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:59:52,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:59:52,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:59:52,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:59:52,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:59:52,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:59:52,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:59:52,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:59:52,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:59:52,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:59:52,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:59:52,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:59:52,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:59:52,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:59:52,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:59:52,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:59:52,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:59:52,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:59:52,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:59:52,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:59:52,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:59:52,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:59:52,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:59:52,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:59:52,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:59:52,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:59:52,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:59:52,393 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 [2019-10-15 02:59:52,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:59:52,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:59:52,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:59:52,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:59:52,410 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:59:52,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:59:52,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:59:52,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:59:52,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:59:52,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:59:52,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:59:52,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:59:52,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:59:52,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:59:52,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:59:52,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:59:52,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:59:52,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:59:52,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:59:52,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:59:52,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:59:52,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:59:52,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:59:52,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:59:52,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:59:52,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:59:52,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:59:52,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:59:52,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:59:52,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:59:52,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:59:52,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:59:52,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:59:52,745 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:59:52,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-15 02:59:52,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940a49aaa/473fd81cc43c4f1cbf26991e4ddc09df/FLAGc93f5e3ad [2019-10-15 02:59:53,427 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:59:53,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-10-15 02:59:53,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940a49aaa/473fd81cc43c4f1cbf26991e4ddc09df/FLAGc93f5e3ad [2019-10-15 02:59:53,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940a49aaa/473fd81cc43c4f1cbf26991e4ddc09df [2019-10-15 02:59:53,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:59:53,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:59:53,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:59:53,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:59:53,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:59:53,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:59:53" (1/1) ... [2019-10-15 02:59:53,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68595816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:53, skipping insertion in model container [2019-10-15 02:59:53,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:59:53" (1/1) ... [2019-10-15 02:59:53,717 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:59:53,762 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:59:54,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:59:54,206 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:59:54,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:59:54,323 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:59:54,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54 WrapperNode [2019-10-15 02:59:54,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:59:54,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:59:54,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:59:54,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:59:54,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (1/1) ... [2019-10-15 02:59:54,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:59:54,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:59:54,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:59:54,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:59:54,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (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 [2019-10-15 02:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 02:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 02:59:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-15 02:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-15 02:59:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-10-15 02:59:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-10-15 02:59:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-10-15 02:59:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-10-15 02:59:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 02:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 02:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 02:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 02:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 02:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 02:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 02:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 02:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 02:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 02:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 02:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 02:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 02:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 02:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 02:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 02:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 02:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 02:59:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 02:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 02:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 02:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 02:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 02:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 02:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 02:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 02:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 02:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 02:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 02:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 02:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 02:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 02:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 02:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 02:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 02:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 02:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 02:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 02:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 02:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 02:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 02:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 02:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 02:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 02:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 02:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 02:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:59:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 02:59:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 02:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 02:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 02:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 02:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 02:59:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 02:59:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 02:59:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 02:59:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 02:59:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 02:59:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 02:59:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 02:59:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 02:59:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 02:59:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 02:59:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 02:59:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 02:59:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 02:59:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 02:59:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 02:59:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 02:59:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 02:59:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 02:59:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 02:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 02:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 02:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 02:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 02:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 02:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 02:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 02:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-15 02:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-15 02:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-10-15 02:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-10-15 02:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-10-15 02:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-10-15 02:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:59:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:59:54,957 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-15 02:59:55,294 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:59:55,294 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 02:59:55,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:59:55 BoogieIcfgContainer [2019-10-15 02:59:55,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:59:55,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:59:55,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:59:55,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:59:55,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:59:53" (1/3) ... [2019-10-15 02:59:55,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d89e51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:59:55, skipping insertion in model container [2019-10-15 02:59:55,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:59:54" (2/3) ... [2019-10-15 02:59:55,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d89e51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:59:55, skipping insertion in model container [2019-10-15 02:59:55,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:59:55" (3/3) ... [2019-10-15 02:59:55,306 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2019-10-15 02:59:55,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:59:55,326 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:59:55,338 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:59:55,366 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:59:55,366 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:59:55,367 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:59:55,367 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:59:55,367 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:59:55,367 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:59:55,368 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:59:55,368 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:59:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-10-15 02:59:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-15 02:59:55,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:59:55,398 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:59:55,400 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:59:55,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:59:55,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1826980545, now seen corresponding path program 1 times [2019-10-15 02:59:55,417 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:59:55,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102184806] [2019-10-15 02:59:55,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:59:55,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:59:55,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:59:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:59:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:59:55,670 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102184806] [2019-10-15 02:59:55,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:59:55,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 02:59:55,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711530942] [2019-10-15 02:59:55,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 02:59:55,678 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:59:55,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 02:59:55,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 02:59:55,700 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 4 states. [2019-10-15 02:59:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:59:55,805 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2019-10-15 02:59:55,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 02:59:55,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-15 02:59:55,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:59:55,815 INFO L225 Difference]: With dead ends: 52 [2019-10-15 02:59:55,816 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 02:59:55,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:59:55,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 02:59:55,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 02:59:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 02:59:55,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 02:59:55,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-10-15 02:59:55,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:59:55,856 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 02:59:55,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 02:59:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 02:59:55,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 02:59:55,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 02:59:55,964 INFO L446 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: true [2019-10-15 02:59:55,964 INFO L446 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: true [2019-10-15 02:59:55,964 INFO L443 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2019-10-15 02:59:55,964 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 02:59:55,964 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 02:59:55,965 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-10-15 02:59:55,965 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-10-15 02:59:55,965 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-15 02:59:55,965 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2019-10-15 02:59:55,965 INFO L446 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2019-10-15 02:59:55,965 INFO L446 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2019-10-15 02:59:55,965 INFO L446 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2019-10-15 02:59:55,966 INFO L443 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2019-10-15 02:59:55,966 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2019-10-15 02:59:55,966 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-15 02:59:55,966 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-15 02:59:55,968 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-15 02:59:55,968 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-15 02:59:55,968 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 02:59:55,968 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 02:59:55,968 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 02:59:55,969 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 02:59:55,969 INFO L446 ceAbstractionStarter]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2019-10-15 02:59:55,969 INFO L446 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2019-10-15 02:59:55,969 INFO L443 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-15 02:59:55,969 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2019-10-15 02:59:55,969 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-15 02:59:55,969 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: false [2019-10-15 02:59:55,970 INFO L443 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2019-10-15 02:59:55,970 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2019-10-15 02:59:55,970 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2019-10-15 02:59:55,970 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-15 02:59:55,970 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2019-10-15 02:59:55,970 INFO L439 ceAbstractionStarter]: At program point L622-3(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2019-10-15 02:59:55,971 INFO L439 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2019-10-15 02:59:55,972 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-15 02:59:55,972 INFO L439 ceAbstractionStarter]: At program point L618-2(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2019-10-15 02:59:55,972 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-10-15 02:59:55,973 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: true [2019-10-15 02:59:55,973 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2019-10-15 02:59:55,973 INFO L439 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2019-10-15 02:59:55,973 INFO L443 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2019-10-15 02:59:55,974 INFO L446 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2019-10-15 02:59:55,974 INFO L446 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2019-10-15 02:59:55,974 INFO L443 ceAbstractionStarter]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2019-10-15 02:59:55,974 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-15 02:59:55,974 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 568) no Hoare annotation was computed. [2019-10-15 02:59:55,974 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2019-10-15 02:59:55,974 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2019-10-15 02:59:55,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:59:55 BoogieIcfgContainer [2019-10-15 02:59:55,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 02:59:55,993 INFO L168 Benchmark]: Toolchain (without parser) took 2289.03 ms. Allocated memory was 145.2 MB in the beginning and 235.9 MB in the end (delta: 90.7 MB). Free memory was 101.2 MB in the beginning and 182.7 MB in the end (delta: -81.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 02:59:55,994 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 02:59:55,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.09 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.0 MB in the beginning and 166.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-10-15 02:59:55,998 INFO L168 Benchmark]: Boogie Preprocessor took 73.25 ms. Allocated memory is still 203.4 MB. Free memory was 166.7 MB in the beginning and 163.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-15 02:59:55,999 INFO L168 Benchmark]: RCFGBuilder took 893.99 ms. Allocated memory is still 203.4 MB. Free memory was 163.0 MB in the beginning and 103.1 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-10-15 02:59:56,001 INFO L168 Benchmark]: TraceAbstraction took 691.96 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 103.1 MB in the beginning and 182.7 MB in the end (delta: -79.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 02:59:56,012 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 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.09 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.0 MB in the beginning and 166.7 MB in the end (delta: -65.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.25 ms. Allocated memory is still 203.4 MB. Free memory was 166.7 MB in the beginning and 163.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 893.99 ms. Allocated memory is still 203.4 MB. Free memory was 163.0 MB in the beginning and 103.1 MB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 691.96 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 103.1 MB in the beginning and 182.7 MB in the end (delta: -79.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 <= i && 2 <= len - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 31 SDtfs, 12 SDslu, 51 SDs, 0 SdLazy, 7 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 26 PreInvPairs, 30 NumberOfFragments, 40 HoareAnnotationTreeSize, 26 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...