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/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:28:15,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:28:15,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:28:15,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:28:15,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:28:15,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:28:15,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:28:15,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:28:15,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:28:15,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:28:15,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:28:15,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:28:15,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:28:15,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:28:15,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:28:15,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:28:15,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:28:15,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:28:15,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:28:15,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:28:15,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:28:15,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:28:15,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:28:15,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:28:15,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:28:15,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:28:15,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:28:15,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:28:15,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:28:15,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:28:15,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:28:15,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:28:15,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:28:15,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:28:15,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:28:15,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:28:15,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:28:15,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:28:15,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:28:15,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:28:15,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:28:15,452 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 [2019-10-07 13:28:15,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:28:15,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:28:15,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:28:15,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:28:15,486 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:28:15,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:28:15,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:28:15,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:28:15,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:28:15,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:28:15,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:28:15,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:28:15,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:28:15,490 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:28:15,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:28:15,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:28:15,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:28:15,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:28:15,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:28:15,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:28:15,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:28:15,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:28:15,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:28:15,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:28:15,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:28:15,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:28:15,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:28:15,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:28:15,498 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 [2019-10-07 13:28:15,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:28:15,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:28:15,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:28:15,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:28:15,786 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:28:15,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-10-07 13:28:15,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d787ae2/2cad192cbcec40af88847ec17c2649fa/FLAG070650075 [2019-10-07 13:28:16,446 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:28:16,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-10-07 13:28:16,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d787ae2/2cad192cbcec40af88847ec17c2649fa/FLAG070650075 [2019-10-07 13:28:16,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d787ae2/2cad192cbcec40af88847ec17c2649fa [2019-10-07 13:28:16,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:28:16,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:28:16,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:28:16,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:28:16,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:28:16,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:28:16" (1/1) ... [2019-10-07 13:28:16,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48406581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:16, skipping insertion in model container [2019-10-07 13:28:16,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:28:16" (1/1) ... [2019-10-07 13:28:16,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:28:16,781 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:28:17,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:28:17,229 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:28:17,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:28:17,342 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:28:17,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17 WrapperNode [2019-10-07 13:28:17,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:28:17,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:28:17,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:28:17,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:28:17,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (1/1) ... [2019-10-07 13:28:17,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:28:17,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:28:17,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:28:17,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:28:17,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (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 [2019-10-07 13:28:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:28:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:28:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-07 13:28:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-07 13:28:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-07 13:28:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-07 13:28:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-07 13:28:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-10-07 13:28:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-10-07 13:28:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-10-07 13:28:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:28:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:28:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-07 13:28:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-07 13:28:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 13:28:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 13:28:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 13:28:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 13:28:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 13:28:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 13:28:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 13:28:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 13:28:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 13:28:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 13:28:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 13:28:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 13:28:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 13:28:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 13:28:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 13:28:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 13:28:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 13:28:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 13:28:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 13:28:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 13:28:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 13:28:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 13:28:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 13:28:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 13:28:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 13:28:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 13:28:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 13:28:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 13:28:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 13:28:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 13:28:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 13:28:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 13:28:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 13:28:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 13:28:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 13:28:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 13:28:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 13:28:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 13:28:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 13:28:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 13:28:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 13:28:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 13:28:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 13:28:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 13:28:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 13:28:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 13:28:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 13:28:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 13:28:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 13:28:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 13:28:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 13:28:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 13:28:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 13:28:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 13:28:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 13:28:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 13:28:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 13:28:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 13:28:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 13:28:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 13:28:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 13:28:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 13:28:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 13:28:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 13:28:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 13:28:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 13:28:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 13:28:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-07 13:28:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-07 13:28:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 13:28:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 13:28:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:28:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-07 13:28:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:28:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:28:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:28:17,966 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-07 13:28:18,178 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:28:18,179 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-07 13:28:18,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:28:18 BoogieIcfgContainer [2019-10-07 13:28:18,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:28:18,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:28:18,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:28:18,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:28:18,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:28:16" (1/3) ... [2019-10-07 13:28:18,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b891584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:28:18, skipping insertion in model container [2019-10-07 13:28:18,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:28:17" (2/3) ... [2019-10-07 13:28:18,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b891584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:28:18, skipping insertion in model container [2019-10-07 13:28:18,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:28:18" (3/3) ... [2019-10-07 13:28:18,188 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2019-10-07 13:28:18,198 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:28:18,207 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:28:18,218 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:28:18,247 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:28:18,247 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:28:18,247 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:28:18,248 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:28:18,248 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:28:18,248 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:28:18,248 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:28:18,248 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:28:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-10-07 13:28:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-07 13:28:18,279 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:28:18,280 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:28:18,283 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:28:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:28:18,289 INFO L82 PathProgramCache]: Analyzing trace with hash -489949846, now seen corresponding path program 1 times [2019-10-07 13:28:18,298 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:28:18,298 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:18,298 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:18,299 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:28:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:28:18,528 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:18,529 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:28:18,530 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 13:28:18,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 13:28:18,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 13:28:18,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 13:28:18,557 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 4 states. [2019-10-07 13:28:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:28:18,701 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2019-10-07 13:28:18,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 13:28:18,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-07 13:28:18,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:28:18,717 INFO L225 Difference]: With dead ends: 70 [2019-10-07 13:28:18,717 INFO L226 Difference]: Without dead ends: 40 [2019-10-07 13:28:18,722 INFO L606 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 [2019-10-07 13:28:18,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-07 13:28:18,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2019-10-07 13:28:18,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-07 13:28:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2019-10-07 13:28:18,783 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2019-10-07 13:28:18,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:28:18,784 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2019-10-07 13:28:18,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 13:28:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2019-10-07 13:28:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-07 13:28:18,786 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:28:18,786 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:28:18,787 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:28:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:28:18,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1365796502, now seen corresponding path program 1 times [2019-10-07 13:28:18,789 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:28:18,789 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:18,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:18,789 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:28:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:28:19,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:19,077 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:28:19,077 INFO L95 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 [2019-10-07 13:28:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:19,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 13:28:19,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:28:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:28:19,243 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:28:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:28:19,357 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 13:28:19,357 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [13] total 15 [2019-10-07 13:28:19,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 13:28:19,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 13:28:19,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-10-07 13:28:19,364 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 7 states. [2019-10-07 13:28:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:28:19,456 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2019-10-07 13:28:19,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 13:28:19,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2019-10-07 13:28:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:28:19,458 INFO L225 Difference]: With dead ends: 53 [2019-10-07 13:28:19,458 INFO L226 Difference]: Without dead ends: 35 [2019-10-07 13:28:19,460 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2019-10-07 13:28:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-07 13:28:19,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-10-07 13:28:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-07 13:28:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2019-10-07 13:28:19,472 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 25 [2019-10-07 13:28:19,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:28:19,473 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2019-10-07 13:28:19,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 13:28:19,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2019-10-07 13:28:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-07 13:28:19,477 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:28:19,477 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:28:19,681 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:28:19,682 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:28:19,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:28:19,682 INFO L82 PathProgramCache]: Analyzing trace with hash 531961720, now seen corresponding path program 1 times [2019-10-07 13:28:19,683 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:28:19,683 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:19,683 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:19,684 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:19,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:28:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:28:19,899 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:19,900 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:28:19,900 INFO L95 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 [2019-10-07 13:28:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:20,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:28:20,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:28:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:28:20,087 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:28:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:28:20,204 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:28:20,230 INFO L162 IcfgInterpreter]: Started Sifa with 31 locations of interest [2019-10-07 13:28:20,231 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:28:20,236 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:28:20,243 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:28:20,244 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:28:20,384 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:28:20,552 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:28:22,464 INFO L199 IcfgInterpreter]: Interpreting procedure sll_get_data_at with input of size 1 for LOIs [2019-10-07 13:28:22,479 INFO L199 IcfgInterpreter]: Interpreting procedure sll_create with input of size 33 for LOIs [2019-10-07 13:28:23,469 INFO L199 IcfgInterpreter]: Interpreting procedure node_create with input of size 29 for LOIs [2019-10-07 13:28:23,513 INFO L199 IcfgInterpreter]: Interpreting procedure sll_update_at with input of size 30 for LOIs [2019-10-07 13:28:23,526 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:28:23,529 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:28:23,530 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:28:23,530 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atEXIT satisfy 864#false [2019-10-07 13:28:23,530 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2#false [2019-10-07 13:28:23,530 INFO L193 IcfgInterpreter]: Reachable states at location L574-3 satisfy 933#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (= |sll_create_#in~data| 1)) (and (= 0 |#NULL.base|) (<= 1 sll_create_~data) (<= 2 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~len| sll_create_~len) (<= |sll_create_#in~len| 2) (= 0 sll_create_~head~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= sll_create_~head~0.base 0) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= sll_create_~head~0.base 0) (<= |#NULL.base| 0) (= |sll_create_#in~data| sll_create_~data) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= sll_create_~len 2) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (= |#memory_int| |old(#memory_int)|) (<= 0 sll_create_~head~0.base) (= |#NULL.offset| 0))) (<= sll_create_~head~0.offset 0)) [2019-10-07 13:28:23,531 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atEXIT satisfy 989#false [2019-10-07 13:28:23,531 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:23,531 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:23,531 INFO L193 IcfgInterpreter]: Reachable states at location L589-2 satisfy 859#false [2019-10-07 13:28:23,531 INFO L193 IcfgInterpreter]: Reachable states at location L613 satisfy 830#false [2019-10-07 13:28:23,532 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 970#(and (<= 0 node_create_~temp~0.offset) (or (and (= |#NULL.base| 0) (not (= node_create_~temp~0.offset 0)) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (not (= 0 node_create_~temp~0.base)) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= |node_create_#t~malloc2.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (<= node_create_~data 1) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|)) [2019-10-07 13:28:23,532 INFO L193 IcfgInterpreter]: Reachable states at location L613-1 satisfy 2#false [2019-10-07 13:28:23,532 INFO L193 IcfgInterpreter]: Reachable states at location L596-2 satisfy 984#(and (<= 3 sll_update_at_~data) (= 0 |#NULL.base|) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) (<= 0 |#NULL.base|) (<= sll_update_at_~index 1) (<= sll_update_at_~head.offset 0) (<= 0 |#NULL.offset|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= 3 |sll_update_at_#in~data|) (<= 1 |sll_update_at_#in~index|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_update_at_~data 3) (<= |#NULL.base| 0) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~index| 1) (<= 1 sll_update_at_~index) (<= 0 sll_update_at_~head.offset) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (= sll_update_at_~data |sll_update_at_#in~data|) (= |#memory_int| |old(#memory_int)|) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3)) [2019-10-07 13:28:23,532 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 965#(and (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |node_create_#t~malloc2.offset| 0) (<= node_create_~data 1) (not (= |node_create_#t~malloc2.base| 0)) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) [2019-10-07 13:28:23,533 INFO L193 IcfgInterpreter]: Reachable states at location L613-2 satisfy 2#false [2019-10-07 13:28:23,533 INFO L193 IcfgInterpreter]: Reachable states at location sll_createEXIT satisfy 938#(and (= |#NULL.base| 0) (<= sll_create_~len 0) (= |sll_create_#res.offset| sll_create_~head~0.offset) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (not (< 0 sll_create_~len)) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |sll_create_#res.offset|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= |sll_create_#res.offset| 0) (= sll_create_~head~0.base |sll_create_#res.base|) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-07 13:28:23,533 INFO L193 IcfgInterpreter]: Reachable states at location node_createENTRY satisfy 960#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:23,533 INFO L193 IcfgInterpreter]: Reachable states at location L609 satisfy 811#(and (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 3 main_~new_data~0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 1 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (= main_~len~0 2) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-07 13:28:23,533 INFO L193 IcfgInterpreter]: Reachable states at location L609-1 satisfy 783#false [2019-10-07 13:28:23,534 INFO L193 IcfgInterpreter]: Reachable states at location L611-3 satisfy 844#false [2019-10-07 13:28:23,534 INFO L193 IcfgInterpreter]: Reachable states at location sll_createENTRY satisfy 868#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= |sll_create_#in~len| 2) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:23,534 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 993#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:28:23,534 INFO L193 IcfgInterpreter]: Reachable states at location L575-1 satisfy 956#(and (<= 0 sll_create_~len) (or (and (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) 0) sll_create_~data) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (<= |#NULL.base| 0) (= 0 |sll_create_#t~ret4.offset|) (<= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= |#NULL.offset| 0)) (and (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) (<= |#NULL.base| 0) (<= |sll_create_#t~ret4.offset| 0) (<= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |#NULL.offset| 0) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) |sll_create_#t~ret4.offset|) sll_create_~data))) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= sll_create_~head~0.offset 0)) [2019-10-07 13:28:23,535 INFO L193 IcfgInterpreter]: Reachable states at location L605 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:23,535 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 849#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 1 main_~i~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:28:23,535 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atENTRY satisfy 854#false [2019-10-07 13:28:23,535 INFO L193 IcfgInterpreter]: Reachable states at location L605-1 satisfy 120#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:28:23,535 INFO L193 IcfgInterpreter]: Reachable states at location L614 satisfy 2#false [2019-10-07 13:28:23,536 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 998#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:23,536 INFO L193 IcfgInterpreter]: Reachable states at location node_createEXIT satisfy 975#(exists ((v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= 0 |#NULL.offset|) (not (= 0 node_create_~temp~0.base)) (<= |#NULL.offset| 0) (= |#memory_int| (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_1) node_create_~temp~0.offset node_create_~data))) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) (and (not (= node_create_~temp~0.offset 0)) (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (= (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_2) node_create_~temp~0.offset node_create_~data)) |#memory_int|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)))) [2019-10-07 13:28:23,536 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:28:23,536 INFO L193 IcfgInterpreter]: Reachable states at location L575 satisfy 943#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-07 13:28:23,537 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atENTRY satisfy 979#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |sll_update_at_#in~index| 1) (<= 0 |#NULL.base|) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= 3 |sll_update_at_#in~data|) (<= 1 |sll_update_at_#in~index|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:24,643 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2019-10-07 13:28:25,346 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-07 13:28:25,347 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [14, 6, 6] total 34 [2019-10-07 13:28:25,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-07 13:28:25,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-07 13:28:25,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1023, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 13:28:25,350 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 20 states. [2019-10-07 13:28:26,194 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-10-07 13:28:26,911 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-10-07 13:28:27,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:28:27,148 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2019-10-07 13:28:27,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-07 13:28:27,151 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 32 [2019-10-07 13:28:27,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:28:27,156 INFO L225 Difference]: With dead ends: 54 [2019-10-07 13:28:27,156 INFO L226 Difference]: Without dead ends: 39 [2019-10-07 13:28:27,158 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 73 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=229, Invalid=2321, Unknown=0, NotChecked=0, Total=2550 [2019-10-07 13:28:27,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-07 13:28:27,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2019-10-07 13:28:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-07 13:28:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2019-10-07 13:28:27,171 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 32 [2019-10-07 13:28:27,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:28:27,172 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2019-10-07 13:28:27,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-07 13:28:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2019-10-07 13:28:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-07 13:28:27,176 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:28:27,176 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:28:27,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:28:27,377 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:28:27,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:28:27,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1305805873, now seen corresponding path program 1 times [2019-10-07 13:28:27,377 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:28:27,378 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:27,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:27,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:27,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:28:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:28:27,515 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:27,516 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:28:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:28:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:27,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:28:27,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:28:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 13:28:27,711 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:28:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 13:28:27,796 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:28:27,798 INFO L162 IcfgInterpreter]: Started Sifa with 31 locations of interest [2019-10-07 13:28:27,798 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:28:27,799 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:28:27,799 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:28:27,799 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:28:27,818 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:28:27,870 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:28:31,195 INFO L199 IcfgInterpreter]: Interpreting procedure sll_get_data_at with input of size 17 for LOIs [2019-10-07 13:28:31,203 INFO L199 IcfgInterpreter]: Interpreting procedure sll_create with input of size 33 for LOIs [2019-10-07 13:28:31,960 INFO L199 IcfgInterpreter]: Interpreting procedure node_create with input of size 29 for LOIs [2019-10-07 13:28:31,998 INFO L199 IcfgInterpreter]: Interpreting procedure sll_update_at with input of size 54 for LOIs [2019-10-07 13:28:32,146 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:28:32,150 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:28:32,150 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:28:32,150 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atEXIT satisfy 1343#false [2019-10-07 13:28:32,150 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 727#false [2019-10-07 13:28:32,151 INFO L193 IcfgInterpreter]: Reachable states at location L574-3 satisfy 1412#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (= |sll_create_#in~data| 1)) (and (= 0 |#NULL.base|) (<= 1 sll_create_~data) (<= 2 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~len| sll_create_~len) (<= |sll_create_#in~len| 2) (= 0 sll_create_~head~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= sll_create_~head~0.base 0) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= sll_create_~head~0.base 0) (<= |#NULL.base| 0) (= |sll_create_#in~data| sll_create_~data) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= sll_create_~len 2) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (= |#memory_int| |old(#memory_int)|) (<= 0 sll_create_~head~0.base) (= |#NULL.offset| 0))) (<= sll_create_~head~0.offset 0)) [2019-10-07 13:28:32,151 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atEXIT satisfy 1497#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= sll_update_at_~index 0) (= sll_update_at_~data (select (select |#memory_int| sll_update_at_~head.base) sll_update_at_~head.offset)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (< 0 sll_update_at_~index)) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-07 13:28:32,151 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:32,151 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:32,151 INFO L193 IcfgInterpreter]: Reachable states at location L589-2 satisfy 1338#(and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= 1 |sll_get_data_at_#in~index|) (<= 1 sll_get_data_at_~index) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |sll_get_data_at_#in~index|) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (<= 0 sll_get_data_at_~head.offset) (<= sll_get_data_at_~index 1) (<= sll_get_data_at_~head.offset 0) (= |#NULL.offset| 0)) [2019-10-07 13:28:32,152 INFO L193 IcfgInterpreter]: Reachable states at location L613 satisfy 1303#(and (<= main_~expected~0 3) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 3 main_~expected~0) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:28:32,155 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 1449#(and (<= 0 node_create_~temp~0.offset) (or (and (= |#NULL.base| 0) (not (= node_create_~temp~0.offset 0)) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (not (= 0 node_create_~temp~0.base)) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= |node_create_#t~malloc2.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (<= node_create_~data 1) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|)) [2019-10-07 13:28:32,155 INFO L193 IcfgInterpreter]: Reachable states at location L613-1 satisfy 1080#false [2019-10-07 13:28:32,155 INFO L193 IcfgInterpreter]: Reachable states at location L596-2 satisfy 1492#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-07 13:28:32,155 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 1444#(and (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |node_create_#t~malloc2.offset| 0) (<= node_create_~data 1) (not (= |node_create_#t~malloc2.base| 0)) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) [2019-10-07 13:28:32,156 INFO L193 IcfgInterpreter]: Reachable states at location L613-2 satisfy 1050#false [2019-10-07 13:28:32,156 INFO L193 IcfgInterpreter]: Reachable states at location sll_createEXIT satisfy 1417#(and (= |#NULL.base| 0) (<= sll_create_~len 0) (= |sll_create_#res.offset| sll_create_~head~0.offset) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (not (< 0 sll_create_~len)) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |sll_create_#res.offset|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= |sll_create_#res.offset| 0) (= sll_create_~head~0.base |sll_create_#res.base|) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-07 13:28:32,156 INFO L193 IcfgInterpreter]: Reachable states at location node_createENTRY satisfy 1439#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:32,156 INFO L193 IcfgInterpreter]: Reachable states at location L609 satisfy 1281#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-07 13:28:32,157 INFO L193 IcfgInterpreter]: Reachable states at location L609-1 satisfy 1229#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-07 13:28:32,157 INFO L193 IcfgInterpreter]: Reachable states at location L611-3 satisfy 1323#(and (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:28:32,158 INFO L193 IcfgInterpreter]: Reachable states at location sll_createENTRY satisfy 1347#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= |sll_create_#in~len| 2) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:32,158 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 1501#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:28:32,158 INFO L193 IcfgInterpreter]: Reachable states at location L575-1 satisfy 1435#(and (or (and (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= (select |#length| |sll_create_#t~ret4.base|) 8) (< 0 sll_create_~len) (not (= 0 |sll_create_#t~ret4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) 0) sll_create_~data) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= |sll_create_#in~len| 2) (= |#NULL.offset| 0)) (and (= (select |#length| |sll_create_#t~ret4.base|) 8) (< 0 sll_create_~len) (not (= 0 |sll_create_#t~ret4.base|)) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |sll_create_#in~len| 2) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |#NULL.offset| 0) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) |sll_create_#t~ret4.offset|) sll_create_~data))) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= sll_create_~head~0.offset 0)) [2019-10-07 13:28:32,158 INFO L193 IcfgInterpreter]: Reachable states at location L605 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:32,158 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 1328#(and (or (and (= 0 |#NULL.base|) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (= |#NULL.base| 0) (<= 0 (+ main_~i~0 1)) (= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2))) (or (and (<= 0 (+ main_~i~0 1)) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) (and (<= 1 main_~i~0) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)))) [2019-10-07 13:28:32,159 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atENTRY satisfy 1333#(and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |sll_get_data_at_#in~index|) (= |#NULL.offset| 0) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:32,159 INFO L193 IcfgInterpreter]: Reachable states at location L605-1 satisfy 117#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:28:32,159 INFO L193 IcfgInterpreter]: Reachable states at location L614 satisfy 850#false [2019-10-07 13:28:32,159 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 1506#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:32,159 INFO L193 IcfgInterpreter]: Reachable states at location node_createEXIT satisfy 1454#(exists ((v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int)) (or (and (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_4) node_create_~temp~0.offset node_create_~data)) |#memory_int|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (not (= 0 node_create_~temp~0.base)) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) (and (not (= node_create_~temp~0.offset 0)) (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_3) node_create_~temp~0.offset node_create_~data)) |#memory_int|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)))) [2019-10-07 13:28:32,160 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:28:32,160 INFO L193 IcfgInterpreter]: Reachable states at location L575 satisfy 1422#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-07 13:28:32,160 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atENTRY satisfy 1458#(and (or (and (<= |sll_update_at_#in~index| 0) (<= |sll_update_at_#in~data| 2) (<= 2 |sll_update_at_#in~data|)) (<= 3 |sll_update_at_#in~data|)) (or (and (<= (+ (* 2 |sll_update_at_#in~index|) 4) (* 2 |sll_update_at_#in~data|)) (= |sll_update_at_#in~data| (+ |sll_update_at_#in~index| 2)) (<= (+ |sll_update_at_#in~index| 1) |sll_update_at_#in~data|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |sll_update_at_#in~index| 0) (= |sll_update_at_#in~data| (+ (* 2 |sll_update_at_#in~index|) 2)) (<= 0 |sll_update_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= (* 2 |sll_update_at_#in~data|) (+ (* 2 |sll_update_at_#in~index|) 4)) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= |sll_update_at_#in~data| 2) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| (+ |sll_update_at_#in~index| 2)) (<= 2 |sll_update_at_#in~data|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |sll_update_at_#in~index| 1) (<= 0 |#NULL.base|) (= |sll_update_at_#in~data| (+ (* 2 |sll_update_at_#in~index|) 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (<= 1 |sll_update_at_#in~index|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2019-10-07 13:28:33,097 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2019-10-07 13:28:33,626 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2019-10-07 13:28:34,119 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-07 13:28:34,120 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [12, 6, 6] total 37 [2019-10-07 13:28:34,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 13:28:34,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 13:28:34,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1220, Unknown=0, NotChecked=0, Total=1332 [2019-10-07 13:28:34,122 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 25 states. [2019-10-07 13:28:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:28:36,422 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2019-10-07 13:28:36,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-07 13:28:36,423 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 33 [2019-10-07 13:28:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:28:36,425 INFO L225 Difference]: With dead ends: 64 [2019-10-07 13:28:36,425 INFO L226 Difference]: Without dead ends: 55 [2019-10-07 13:28:36,427 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=284, Invalid=3138, Unknown=0, NotChecked=0, Total=3422 [2019-10-07 13:28:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-07 13:28:36,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2019-10-07 13:28:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-07 13:28:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2019-10-07 13:28:36,436 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 33 [2019-10-07 13:28:36,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:28:36,437 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2019-10-07 13:28:36,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 13:28:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2019-10-07 13:28:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-07 13:28:36,438 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:28:36,438 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 13:28:36,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:28:36,643 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:28:36,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:28:36,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1066338386, now seen corresponding path program 1 times [2019-10-07 13:28:36,644 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:28:36,644 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:36,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:36,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:28:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:28:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 13:28:36,699 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:28:36,699 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:28:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:28:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:28:36,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 13:28:36,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:28:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 13:28:36,937 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:28:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 13:28:36,999 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:28:37,000 INFO L162 IcfgInterpreter]: Started Sifa with 31 locations of interest [2019-10-07 13:28:37,001 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:28:37,001 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:28:37,002 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:28:37,002 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:28:37,023 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-07 13:28:37,057 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-07 13:28:39,518 INFO L199 IcfgInterpreter]: Interpreting procedure sll_get_data_at with input of size 19 for LOIs [2019-10-07 13:28:39,563 INFO L199 IcfgInterpreter]: Interpreting procedure sll_create with input of size 33 for LOIs [2019-10-07 13:28:40,129 INFO L199 IcfgInterpreter]: Interpreting procedure node_create with input of size 29 for LOIs [2019-10-07 13:28:40,162 INFO L199 IcfgInterpreter]: Interpreting procedure sll_update_at with input of size 40 for LOIs [2019-10-07 13:28:40,252 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 13:28:40,255 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:28:40,255 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:28:40,255 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atEXIT satisfy 1406#(and (or (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (< 0 (+ sll_get_data_at_~index 1)) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|) (not (< 0 sll_get_data_at_~index)) (= (select (select |#memory_int| sll_get_data_at_~head.base) sll_get_data_at_~head.offset) |sll_get_data_at_#res|) (<= |sll_get_data_at_#in~head.offset| 0) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (<= sll_get_data_at_~index 1) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= 1 |sll_get_data_at_#in~index|) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (not (< 0 sll_get_data_at_~index)) (= (select (select |#memory_int| sll_get_data_at_~head.base) sll_get_data_at_~head.offset) |sll_get_data_at_#res|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (<= sll_get_data_at_~index 1) (= |#NULL.offset| 0))) (<= 0 |#NULL.base|) (<= sll_get_data_at_~index 0) (<= 0 sll_get_data_at_~index) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:40,256 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 765#(exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_10 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_10 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_9 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_9 Int)) (or (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) main_~expected~0)) (<= main_~new_data~0 3) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483648)) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483647) (<= main_~new_data~0 2) (<= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_22) v_prenex_23))) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= 0 (+ (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483648)) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483647) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483648)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (<= main_~new_data~0 3) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483647) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9))) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= main_~new_data~0 2) (<= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_24))) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483648)) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) [2019-10-07 13:28:40,256 INFO L193 IcfgInterpreter]: Reachable states at location L574-3 satisfy 1475#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (= |sll_create_#in~data| 1)) (and (= 0 |#NULL.base|) (<= 1 sll_create_~data) (<= 2 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~len| sll_create_~len) (<= |sll_create_#in~len| 2) (= 0 sll_create_~head~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= sll_create_~head~0.base 0) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= sll_create_~head~0.base 0) (<= |#NULL.base| 0) (= |sll_create_#in~data| sll_create_~data) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= sll_create_~len 2) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (= |#memory_int| |old(#memory_int)|) (<= 0 sll_create_~head~0.base) (= |#NULL.offset| 0))) (<= sll_create_~head~0.offset 0)) [2019-10-07 13:28:40,256 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atEXIT satisfy 1560#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= sll_update_at_~index 0) (= sll_update_at_~data (select (select |#memory_int| sll_update_at_~head.base) sll_update_at_~head.offset)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (< 0 sll_update_at_~index)) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-07 13:28:40,256 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:40,257 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:40,257 INFO L193 IcfgInterpreter]: Reachable states at location L589-2 satisfy 1401#(and (or (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= 1 |sll_get_data_at_#in~index|) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (< 0 (+ sll_get_data_at_~index 1)) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|) (<= |sll_get_data_at_#in~head.offset| 0) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (<= sll_get_data_at_~index 0) (= |#NULL.offset| 0))) (<= sll_get_data_at_~index 1) (<= 0 |#NULL.base|) (<= 0 sll_get_data_at_~index) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:40,257 INFO L193 IcfgInterpreter]: Reachable states at location L613 satisfy 1348#(and (<= main_~expected~0 3) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 3 main_~expected~0) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:28:40,257 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 1512#(and (<= 0 node_create_~temp~0.offset) (or (and (= |#NULL.base| 0) (not (= node_create_~temp~0.offset 0)) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (not (= 0 node_create_~temp~0.base)) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= |node_create_#t~malloc2.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (<= node_create_~data 1) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|)) [2019-10-07 13:28:40,257 INFO L193 IcfgInterpreter]: Reachable states at location L613-1 satisfy 1125#true [2019-10-07 13:28:40,258 INFO L193 IcfgInterpreter]: Reachable states at location L596-2 satisfy 1555#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-07 13:28:40,258 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 1507#(and (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |node_create_#t~malloc2.offset| 0) (<= node_create_~data 1) (not (= |node_create_#t~malloc2.base| 0)) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) [2019-10-07 13:28:40,258 INFO L193 IcfgInterpreter]: Reachable states at location L613-2 satisfy 1095#(and (<= 0 (+ |main_#t~ret14| 2147483648)) (<= |main_#t~ret14| 2147483647)) [2019-10-07 13:28:40,258 INFO L193 IcfgInterpreter]: Reachable states at location sll_createEXIT satisfy 1480#(and (= |#NULL.base| 0) (<= sll_create_~len 0) (= |sll_create_#res.offset| sll_create_~head~0.offset) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (not (< 0 sll_create_~len)) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |sll_create_#res.offset|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= |sll_create_#res.offset| 0) (= sll_create_~head~0.base |sll_create_#res.base|) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-07 13:28:40,258 INFO L193 IcfgInterpreter]: Reachable states at location node_createENTRY satisfy 1502#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:40,258 INFO L193 IcfgInterpreter]: Reachable states at location L609 satisfy 1326#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-07 13:28:40,259 INFO L193 IcfgInterpreter]: Reachable states at location L609-1 satisfy 1274#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-07 13:28:40,259 INFO L193 IcfgInterpreter]: Reachable states at location L611-3 satisfy 1368#(and (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-07 13:28:40,259 INFO L193 IcfgInterpreter]: Reachable states at location sll_createENTRY satisfy 1410#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= |sll_create_#in~len| 2) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:40,259 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 1564#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:28:40,259 INFO L193 IcfgInterpreter]: Reachable states at location L575-1 satisfy 1498#(and (<= 0 sll_create_~len) (or (and (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (<= |#NULL.base| 0) (= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (<= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |#NULL.offset| 0) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) |sll_create_#t~ret4.offset|) sll_create_~data)) (and (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) 0) sll_create_~data) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (<= |#NULL.base| 0) (= 0 |sll_create_#t~ret4.offset|) (<= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= |#NULL.offset| 0))) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= sll_create_~head~0.offset 0)) [2019-10-07 13:28:40,260 INFO L193 IcfgInterpreter]: Reachable states at location L605 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-07 13:28:40,260 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 1373#(and (or (and (= 0 |#NULL.base|) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (= |#NULL.base| 0) (<= 0 (+ main_~i~0 1)) (= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2))) (or (and (<= 0 (+ main_~i~0 1)) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) (and (<= 1 main_~i~0) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)))) [2019-10-07 13:28:40,260 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atENTRY satisfy 1378#(and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (<= |sll_get_data_at_#in~head.offset| 0) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |sll_get_data_at_#in~index|) (= |#NULL.offset| 0) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:40,260 INFO L193 IcfgInterpreter]: Reachable states at location L605-1 satisfy 117#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-07 13:28:40,261 INFO L193 IcfgInterpreter]: Reachable states at location L614 satisfy 895#(or (exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_10 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_10 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_9 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_9 Int)) (or (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) main_~expected~0)) (<= main_~new_data~0 3) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483648)) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483647) (<= main_~new_data~0 2) (<= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_22) v_prenex_23))) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= 0 (+ (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483648)) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483647) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483648)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (<= main_~new_data~0 3) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483647) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9))) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= main_~new_data~0 2) (<= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_24))) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483648)) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) (exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_11 Int) (v_prenex_27 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_12 Int) (v_prenex_26 Int) (v_prenex_29 Int) (v_prenex_28 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_12 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_11 Int)) (or (and (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_11) v_sll_get_data_at_~head.offset_BEFORE_RETURN_11) 2147483648)) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_11) v_sll_get_data_at_~head.offset_BEFORE_RETURN_11) main_~expected~0)) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_11) v_sll_get_data_at_~head.offset_BEFORE_RETURN_11) 2147483647) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= main_~len~0 3) (<= 0 |#NULL.base|) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_12) v_sll_get_data_at_~head.offset_BEFORE_RETURN_12) 2147483648)) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_12) v_sll_get_data_at_~head.offset_BEFORE_RETURN_12) 2147483647) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (< main_~len~0 3) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_12) v_sll_get_data_at_~head.offset_BEFORE_RETURN_12) main_~expected~0)) (<= (* 2 main_~len~0) 4) (<= main_~data~0 1) (<= main_~new_data~0 2) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (<= 4 (* 2 main_~len~0)) (= |#NULL.offset| 0) (<= 2 main_~len~0) (<= main_~s~0.offset 0)) (and (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_27) v_prenex_26))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483648)) (<= 0 main_~s~0.offset) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483647) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= main_~len~0 3) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_prenex_29) v_prenex_28) 2147483648)) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (< main_~len~0 3) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (* 2 main_~len~0) 4) (<= main_~data~0 1) (<= main_~new_data~0 2) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (<= 4 (* 2 main_~len~0)) (<= (select (select |#memory_int| v_prenex_29) v_prenex_28) 2147483647) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_29) v_prenex_28) main_~expected~0)) (<= 2 main_~len~0) (<= main_~s~0.offset 0))))) [2019-10-07 13:28:40,261 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 1569#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 13:28:40,261 INFO L193 IcfgInterpreter]: Reachable states at location node_createEXIT satisfy 1517#(exists ((v_DerPreprocessor_6 Int) (v_DerPreprocessor_5 Int)) (or (and (not (= node_create_~temp~0.offset 0)) (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= |#NULL.offset| 0) (= |#memory_int| (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_5) node_create_~temp~0.offset node_create_~data))) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (not (= 0 node_create_~temp~0.base)) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_int| (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_6) node_create_~temp~0.offset node_create_~data))) (= |#NULL.offset| 0)))) [2019-10-07 13:28:40,262 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:28:40,262 INFO L193 IcfgInterpreter]: Reachable states at location L575 satisfy 1485#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-07 13:28:40,262 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atENTRY satisfy 1521#(and (or (and (<= |sll_update_at_#in~index| 0) (<= |sll_update_at_#in~data| 2) (<= 2 |sll_update_at_#in~data|)) (and (<= 3 |sll_update_at_#in~data|) (<= 1 |sll_update_at_#in~index|))) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |sll_update_at_#in~index| 0) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= 0 |sll_update_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_update_at_#in~head.offset| 0) (= |sll_update_at_#in~index| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~data| 2) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (<= 2 |sll_update_at_#in~data|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= 0 |sll_update_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_update_at_#in~head.offset| 0) (= 1 |sll_update_at_#in~index|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2019-10-07 13:28:40,895 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-10-07 13:28:41,190 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2019-10-07 13:28:41,738 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-10-07 13:28:42,207 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2019-10-07 13:28:42,426 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:28:42,426 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 27] total 33 [2019-10-07 13:28:42,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-10-07 13:28:42,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-10-07 13:28:42,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=954, Unknown=0, NotChecked=0, Total=1056 [2019-10-07 13:28:42,428 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 33 states. [2019-10-07 13:28:44,095 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-10-07 13:28:44,267 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-10-07 13:28:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:28:44,447 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2019-10-07 13:28:44,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 13:28:44,448 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 40 [2019-10-07 13:28:44,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:28:44,449 INFO L225 Difference]: With dead ends: 61 [2019-10-07 13:28:44,449 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 13:28:44,451 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 89 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=241, Invalid=2309, Unknown=0, NotChecked=0, Total=2550 [2019-10-07 13:28:44,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 13:28:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 13:28:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 13:28:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 13:28:44,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2019-10-07 13:28:44,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:28:44,452 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 13:28:44,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-10-07 13:28:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 13:28:44,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 13:28:44,653 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:28:44,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 13:28:45,281 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 52 [2019-10-07 13:28:45,389 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-10-07 13:28:45,562 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2019-10-07 13:28:45,710 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 13:28:45,710 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:28:45,710 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-07 13:28:45,710 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2019-10-07 13:28:45,710 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2019-10-07 13:28:45,710 INFO L443 ceAbstractionStarter]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2019-10-07 13:28:45,711 INFO L446 ceAbstractionStarter]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2019-10-07 13:28:45,711 INFO L446 ceAbstractionStarter]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2019-10-07 13:28:45,711 INFO L439 ceAbstractionStarter]: At program point L596-2(lines 596 599) the Hoare annotation is: (or (and (<= sll_update_at_~data 3) (<= sll_update_at_~index 1) (<= 2 sll_update_at_~data) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (<= 0 |sll_update_at_#in~head.offset|)) (not (= |#NULL.offset| 0)) (not (<= |sll_update_at_#in~index| 1)) (not (<= 0 |#NULL.base|)) (not (<= |sll_update_at_#in~data| (+ |sll_update_at_#in~index| 2))) (and (or (not (<= 2 |sll_update_at_#in~data|)) (not (<= |sll_update_at_#in~index| 0))) (not (<= 3 |sll_update_at_#in~data|))) (not (<= |sll_update_at_#in~head.offset| 0))) [2019-10-07 13:28:45,711 INFO L443 ceAbstractionStarter]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2019-10-07 13:28:45,711 INFO L439 ceAbstractionStarter]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 (select |#valid| 0))) (not (<= |#NULL.base| 0)) (not (<= 0 |sll_update_at_#in~head.offset|)) (not (= |#NULL.offset| 0)) (not (<= |sll_update_at_#in~index| 1)) (not (<= 0 |#NULL.base|)) (not (<= |sll_update_at_#in~data| (+ |sll_update_at_#in~index| 2))) (and (or (not (<= 2 |sll_update_at_#in~data|)) (not (<= |sll_update_at_#in~index| 0))) (not (<= 3 |sll_update_at_#in~data|))) (not (<= |sll_update_at_#in~head.offset| 0))) [2019-10-07 13:28:45,711 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-07 13:28:45,712 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-07 13:28:45,712 INFO L439 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (or (and (and (<= 1 sll_create_~data) (= 0 (select |#valid| 0))) (<= 0 sll_create_~head~0.offset) (< 0 sll_create_~len) (<= sll_create_~head~0.offset 0) (<= sll_create_~data 1) (<= sll_create_~len 2)) (not (= |sll_create_#in~len| 2)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (= |sll_create_#in~data| 1)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,712 INFO L443 ceAbstractionStarter]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2019-10-07 13:28:45,712 INFO L443 ceAbstractionStarter]: For program point L575-1(line 575) no Hoare annotation was computed. [2019-10-07 13:28:45,712 INFO L439 ceAbstractionStarter]: At program point L574-3(lines 574 578) the Hoare annotation is: (or (not (= |sll_create_#in~len| 2)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (= |sll_create_#in~data| 1)) (not (<= |#NULL.base| 0)) (and (<= 1 sll_create_~data) (<= 0 sll_create_~head~0.offset) (= 0 (select |#valid| 0)) (<= sll_create_~head~0.offset 0) (<= sll_create_~data 1) (<= sll_create_~len 2))) [2019-10-07 13:28:45,712 INFO L439 ceAbstractionStarter]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (or (not (= |sll_create_#in~len| 2)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (= |sll_create_#in~data| 1)) (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,712 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-07 13:28:45,712 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-07 13:28:45,712 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:28:45,713 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (<= 0 |#NULL.offset|)) [2019-10-07 13:28:45,713 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:28:45,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 13:28:45,713 INFO L446 ceAbstractionStarter]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2019-10-07 13:28:45,713 INFO L446 ceAbstractionStarter]: At program point L589-2(lines 589 592) the Hoare annotation is: true [2019-10-07 13:28:45,713 INFO L443 ceAbstractionStarter]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2019-10-07 13:28:45,713 INFO L439 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (and (<= 0 main_~i~0) (<= 0 main_~s~0.offset) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= 0 (select |#valid| 0)) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= main_~new_data~0 3)) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,713 INFO L443 ceAbstractionStarter]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2019-10-07 13:28:45,713 INFO L439 ceAbstractionStarter]: At program point L611-3(lines 611 616) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,714 INFO L439 ceAbstractionStarter]: At program point L611-4(lines 611 616) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0)) (<= 2 main_~len~0)) [2019-10-07 13:28:45,714 INFO L439 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (and (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,714 INFO L439 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (and (<= 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (<= 1 main_~data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= 0 (select |#valid| 0)) (<= 2 main_~len~0) (<= main_~s~0.offset 0)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,714 INFO L443 ceAbstractionStarter]: For program point L605-1(line 605) no Hoare annotation was computed. [2019-10-07 13:28:45,714 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2019-10-07 13:28:45,714 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2019-10-07 13:28:45,714 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2019-10-07 13:28:45,714 INFO L439 ceAbstractionStarter]: At program point L614(lines 602 621) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,714 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,714 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-07 13:28:45,715 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (not (<= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= 0 |#NULL.offset|)) (not (<= |#NULL.base| 0))) [2019-10-07 13:28:45,715 INFO L443 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-10-07 13:28:45,715 INFO L443 ceAbstractionStarter]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2019-10-07 13:28:45,715 INFO L439 ceAbstractionStarter]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (or (not (<= 1 |node_create_#in~data|)) (not (= |#NULL.offset| 0)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (<= |node_create_#in~data| 1))) [2019-10-07 13:28:45,715 INFO L446 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: true [2019-10-07 13:28:45,715 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2019-10-07 13:28:45,715 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 567) no Hoare annotation was computed. [2019-10-07 13:28:45,715 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2019-10-07 13:28:45,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,727 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:28:45 BoogieIcfgContainer [2019-10-07 13:28:45,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:28:45,745 INFO L168 Benchmark]: Toolchain (without parser) took 29029.63 ms. Allocated memory was 145.8 MB in the beginning and 667.9 MB in the end (delta: 522.2 MB). Free memory was 101.2 MB in the beginning and 118.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 505.0 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:45,746 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 13:28:45,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.99 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 168.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:45,746 INFO L168 Benchmark]: Boogie Preprocessor took 67.98 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 166.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:45,747 INFO L168 Benchmark]: RCFGBuilder took 768.02 ms. Allocated memory is still 203.4 MB. Free memory was 166.0 MB in the beginning and 110.9 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:45,747 INFO L168 Benchmark]: TraceAbstraction took 27562.88 ms. Allocated memory was 203.4 MB in the beginning and 667.9 MB in the end (delta: 464.5 MB). Free memory was 110.3 MB in the beginning and 118.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 456.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:28:45,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.99 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 168.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.98 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 166.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 768.02 ms. Allocated memory is still 203.4 MB. Free memory was 166.0 MB in the beginning and 110.9 MB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27562.88 ms. Allocated memory was 203.4 MB in the beginning and 667.9 MB in the end (delta: 464.5 MB). Free memory was 110.3 MB in the beginning and 118.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 456.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 611]: Loop Invariant [2019-10-07 13:28:45,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((!(#NULL <= 0) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(0 <= #NULL)) || !(#NULL <= 0) - InvariantResult [Line: 596]: Loop Invariant [2019-10-07 13:28:45,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 13:28:45,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,760 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 13:28:45,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-07 13:28:45,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 13:28:45,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((((((((data <= 3 && index <= 1) && 2 <= data) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || !(0 == \valid[0])) || !(#NULL <= 0)) || !(0 <= head)) || !(#NULL == 0)) || !(\old(index) <= 1)) || !(0 <= #NULL)) || !(\old(data) <= \old(index) + 2)) || ((!(2 <= \old(data)) || !(\old(index) <= 0)) && !(3 <= \old(data)))) || !(head <= 0) - InvariantResult [Line: 607]: Loop Invariant [2019-10-07 13:28:45,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((!(#NULL <= 0) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(0 <= #NULL)) || ((((((((0 <= i + 1 && 0 <= s) && len <= 2) && 1 <= data) && data <= 1) && i <= 1) && 0 == \valid[0]) && 2 <= len) && s <= 0)) || !(#NULL <= 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2019-10-07 13:28:45,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((!(\old(len) == 2) || !(#NULL == 0)) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(\old(data) == 1)) || !(#NULL <= 0)) || (((((1 <= data && 0 <= head) && 0 == \valid[0]) && head <= 0) && data <= 1) && len <= 2) - InvariantResult [Line: 602]: Loop Invariant [2019-10-07 13:28:45,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-07 13:28:45,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((!(#NULL <= 0) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(0 <= #NULL)) || !(#NULL <= 0) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 27.4s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 106 SDtfs, 188 SDslu, 251 SDs, 0 SdLazy, 1165 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 469 GetRequests, 282 SyntacticMatches, 15 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1998 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=4, 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, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 48 PreInvPairs, 58 NumberOfFragments, 646 HoareAnnotationTreeSize, 48 FomulaSimplifications, 1039 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 1221 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 21180 SizeOfPredicates, 8 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 42/54 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 10931, ICFG_INTERPRETER_ENTERED_PROCEDURES: 21, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 801, DAG_INTERPRETER_EARLY_EXITS: 16, TOOLS_POST_APPLICATIONS: 414, TOOLS_POST_TIME[ms]: 2029, TOOLS_POST_CALL_APPLICATIONS: 252, TOOLS_POST_CALL_TIME[ms]: 633, TOOLS_POST_RETURN_APPLICATIONS: 234, TOOLS_POST_RETURN_TIME[ms]: 1336, TOOLS_QUANTIFIERELIM_APPLICATIONS: 854, TOOLS_QUANTIFIERELIM_TIME[ms]: 3768, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 157, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 889, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 647, DOMAIN_JOIN_TIME[ms]: 5768, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 43, DOMAIN_WIDEN_TIME[ms]: 507, DOMAIN_ISSUBSETEQ_APPLICATIONS: 88, DOMAIN_ISSUBSETEQ_TIME[ms]: 156, DOMAIN_ISBOTTOM_APPLICATIONS: 142, DOMAIN_ISBOTTOM_TIME[ms]: 231, LOOP_SUMMARIZER_APPLICATIONS: 45, LOOP_SUMMARIZER_CACHE_MISSES: 45, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5924, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5923, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 88, CALL_SUMMARIZER_APPLICATIONS: 234, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1851, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1850, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 54, DAG_COMPRESSION_PROCESSED_NODES: 1071, DAG_COMPRESSION_RETAINED_NODES: 579, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...