java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:59:51,249 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:59:51,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:59:51,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:59:51,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:59:51,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:59:51,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:59:51,282 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:59:51,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:59:51,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:59:51,290 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:59:51,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:59:51,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:59:51,299 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:59:51,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:59:51,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:59:51,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:59:51,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:59:51,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:59:51,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:59:51,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:59:51,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:59:51,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:59:51,328 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:59:51,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:59:51,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:59:51,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:59:51,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:59:51,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:59:51,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:59:51,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:59:51,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:59:51,338 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:59:51,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:59:51,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:59:51,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:59:51,342 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:59:51,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:59:51,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:59:51,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:59:51,375 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:59:51,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:59:51,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:59:51,377 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:59:51,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:59:51,377 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:59:51,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:59:51,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:59:51,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:59:51,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:59:51,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:59:51,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:59:51,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:59:51,380 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:59:51,380 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:59:51,380 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:59:51,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:59:51,381 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:59:51,381 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:59:51,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:59:51,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:59:51,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:59:51,382 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:59:51,382 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:59:51,383 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:59:51,383 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:59:51,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:59:51,383 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:59:51,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:59:51,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:59:51,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:59:51,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:59:51,473 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:59:51,474 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-23 12:59:51,536 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78bdfb8c/79b4c23ed8d849bba439da8597783e54/FLAG4d913b709 [2018-11-23 12:59:52,064 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:59:52,066 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-23 12:59:52,089 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78bdfb8c/79b4c23ed8d849bba439da8597783e54/FLAG4d913b709 [2018-11-23 12:59:52,338 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78bdfb8c/79b4c23ed8d849bba439da8597783e54 [2018-11-23 12:59:52,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:59:52,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:59:52,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:59:52,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:59:52,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:59:52,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:52" (1/1) ... [2018-11-23 12:59:52,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7304a397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:52, skipping insertion in model container [2018-11-23 12:59:52,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:52" (1/1) ... [2018-11-23 12:59:52,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:59:52,424 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:59:52,876 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:59:52,889 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:59:52,985 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:59:53,060 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:59:53,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53 WrapperNode [2018-11-23 12:59:53,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:59:53,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:59:53,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:59:53,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:59:53,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:59:53,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:59:53,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:59:53,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:59:53,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (1/1) ... [2018-11-23 12:59:53,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:59:53,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:59:53,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:59:53,228 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:59:53,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (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 [2018-11-23 12:59:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:59:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:59:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-23 12:59:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2018-11-23 12:59:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2018-11-23 12:59:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:59:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-11-23 12:59:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-11-23 12:59:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:59:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:59:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:59:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 12:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 12:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_last [2018-11-23 12:59:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_last [2018-11-23 12:59:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:59:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 12:59:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:59:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:59:54,208 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:59:54,209 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 12:59:54,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:54 BoogieIcfgContainer [2018-11-23 12:59:54,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:59:54,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:59:54,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:59:54,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:59:54,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:59:52" (1/3) ... [2018-11-23 12:59:54,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1c5526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:54, skipping insertion in model container [2018-11-23 12:59:54,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:53" (2/3) ... [2018-11-23 12:59:54,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1c5526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:54, skipping insertion in model container [2018-11-23 12:59:54,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:54" (3/3) ... [2018-11-23 12:59:54,219 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-23 12:59:54,231 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:59:54,240 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:59:54,260 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:59:54,295 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:59:54,296 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:59:54,296 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:59:54,297 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:59:54,297 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:59:54,297 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:59:54,297 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:59:54,297 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:59:54,297 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:59:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-23 12:59:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:59:54,345 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:54,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:54,351 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:54,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:54,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1422227719, now seen corresponding path program 1 times [2018-11-23 12:59:54,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:54,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:54,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:54,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:54,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:54,552 INFO L256 TraceCheckUtils]: 0: Hoare triple {45#true} call ULTIMATE.init(); {45#true} is VALID [2018-11-23 12:59:54,556 INFO L273 TraceCheckUtils]: 1: Hoare triple {45#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {45#true} is VALID [2018-11-23 12:59:54,556 INFO L273 TraceCheckUtils]: 2: Hoare triple {45#true} assume true; {45#true} is VALID [2018-11-23 12:59:54,557 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {45#true} {45#true} #93#return; {45#true} is VALID [2018-11-23 12:59:54,557 INFO L256 TraceCheckUtils]: 4: Hoare triple {45#true} call #t~ret14 := main(); {45#true} is VALID [2018-11-23 12:59:54,557 INFO L273 TraceCheckUtils]: 5: Hoare triple {45#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {45#true} is VALID [2018-11-23 12:59:54,558 INFO L256 TraceCheckUtils]: 6: Hoare triple {45#true} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {45#true} is VALID [2018-11-23 12:59:54,558 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {45#true} is VALID [2018-11-23 12:59:54,559 INFO L273 TraceCheckUtils]: 8: Hoare triple {45#true} assume !true; {46#false} is VALID [2018-11-23 12:59:54,559 INFO L273 TraceCheckUtils]: 9: Hoare triple {46#false} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {46#false} is VALID [2018-11-23 12:59:54,560 INFO L273 TraceCheckUtils]: 10: Hoare triple {46#false} assume true; {46#false} is VALID [2018-11-23 12:59:54,560 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {46#false} {45#true} #87#return; {46#false} is VALID [2018-11-23 12:59:54,560 INFO L273 TraceCheckUtils]: 12: Hoare triple {46#false} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {46#false} is VALID [2018-11-23 12:59:54,561 INFO L273 TraceCheckUtils]: 13: Hoare triple {46#false} assume !(~i~0 >= 0); {46#false} is VALID [2018-11-23 12:59:54,561 INFO L273 TraceCheckUtils]: 14: Hoare triple {46#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {46#false} is VALID [2018-11-23 12:59:54,561 INFO L273 TraceCheckUtils]: 15: Hoare triple {46#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {46#false} is VALID [2018-11-23 12:59:54,562 INFO L273 TraceCheckUtils]: 16: Hoare triple {46#false} assume !false; {46#false} is VALID [2018-11-23 12:59:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:54,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:54,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:59:54,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 12:59:54,578 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:59:54,582 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 12:59:54,677 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:54,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:59:54,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:59:54,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:59:54,690 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-11-23 12:59:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:54,851 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2018-11-23 12:59:54,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:59:54,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 12:59:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 12:59:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 78 transitions. [2018-11-23 12:59:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 12:59:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 78 transitions. [2018-11-23 12:59:54,872 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 78 transitions. [2018-11-23 12:59:55,175 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:55,190 INFO L225 Difference]: With dead ends: 64 [2018-11-23 12:59:55,190 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 12:59:55,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:59:55,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 12:59:55,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 12:59:55,301 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:59:55,301 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2018-11-23 12:59:55,302 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2018-11-23 12:59:55,302 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2018-11-23 12:59:55,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:55,310 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-11-23 12:59:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-11-23 12:59:55,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:55,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:55,311 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2018-11-23 12:59:55,311 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2018-11-23 12:59:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:55,320 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-11-23 12:59:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-11-23 12:59:55,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:55,321 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:55,321 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:59:55,321 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:59:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 12:59:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-11-23 12:59:55,327 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 17 [2018-11-23 12:59:55,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:55,328 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-11-23 12:59:55,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:59:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-11-23 12:59:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:59:55,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:55,329 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:55,330 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:55,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:55,330 INFO L82 PathProgramCache]: Analyzing trace with hash 152506097, now seen corresponding path program 1 times [2018-11-23 12:59:55,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:55,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:55,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:55,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:55,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:55,624 INFO L256 TraceCheckUtils]: 0: Hoare triple {254#true} call ULTIMATE.init(); {254#true} is VALID [2018-11-23 12:59:55,625 INFO L273 TraceCheckUtils]: 1: Hoare triple {254#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {254#true} is VALID [2018-11-23 12:59:55,625 INFO L273 TraceCheckUtils]: 2: Hoare triple {254#true} assume true; {254#true} is VALID [2018-11-23 12:59:55,625 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {254#true} {254#true} #93#return; {254#true} is VALID [2018-11-23 12:59:55,626 INFO L256 TraceCheckUtils]: 4: Hoare triple {254#true} call #t~ret14 := main(); {254#true} is VALID [2018-11-23 12:59:55,639 INFO L273 TraceCheckUtils]: 5: Hoare triple {254#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {256#(<= 2 main_~len~0)} is VALID [2018-11-23 12:59:55,639 INFO L256 TraceCheckUtils]: 6: Hoare triple {256#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {254#true} is VALID [2018-11-23 12:59:55,640 INFO L273 TraceCheckUtils]: 7: Hoare triple {254#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {254#true} is VALID [2018-11-23 12:59:55,640 INFO L273 TraceCheckUtils]: 8: Hoare triple {254#true} assume !(~len > 0); {254#true} is VALID [2018-11-23 12:59:55,640 INFO L273 TraceCheckUtils]: 9: Hoare triple {254#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {254#true} is VALID [2018-11-23 12:59:55,641 INFO L273 TraceCheckUtils]: 10: Hoare triple {254#true} assume true; {254#true} is VALID [2018-11-23 12:59:55,654 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {254#true} {256#(<= 2 main_~len~0)} #87#return; {256#(<= 2 main_~len~0)} is VALID [2018-11-23 12:59:55,668 INFO L273 TraceCheckUtils]: 12: Hoare triple {256#(<= 2 main_~len~0)} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {257#(<= 1 main_~i~0)} is VALID [2018-11-23 12:59:55,681 INFO L273 TraceCheckUtils]: 13: Hoare triple {257#(<= 1 main_~i~0)} assume !(~i~0 >= 0); {255#false} is VALID [2018-11-23 12:59:55,681 INFO L273 TraceCheckUtils]: 14: Hoare triple {255#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {255#false} is VALID [2018-11-23 12:59:55,682 INFO L273 TraceCheckUtils]: 15: Hoare triple {255#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {255#false} is VALID [2018-11-23 12:59:55,682 INFO L273 TraceCheckUtils]: 16: Hoare triple {255#false} assume !false; {255#false} is VALID [2018-11-23 12:59:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:55,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:55,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:59:55,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-23 12:59:55,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:59:55,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:59:55,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:55,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:59:55,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:59:55,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:59:55,813 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-11-23 12:59:56,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:56,254 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-11-23 12:59:56,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:59:56,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-23 12:59:56,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:59:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2018-11-23 12:59:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:59:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2018-11-23 12:59:56,262 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 46 transitions. [2018-11-23 12:59:56,342 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:56,346 INFO L225 Difference]: With dead ends: 42 [2018-11-23 12:59:56,346 INFO L226 Difference]: Without dead ends: 38 [2018-11-23 12:59:56,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:59:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-23 12:59:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2018-11-23 12:59:56,380 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:59:56,380 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 36 states. [2018-11-23 12:59:56,380 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 36 states. [2018-11-23 12:59:56,380 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 36 states. [2018-11-23 12:59:56,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:56,386 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2018-11-23 12:59:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-11-23 12:59:56,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:56,387 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:56,387 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 38 states. [2018-11-23 12:59:56,387 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 38 states. [2018-11-23 12:59:56,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:56,391 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2018-11-23 12:59:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-11-23 12:59:56,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:56,392 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:56,392 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:59:56,392 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:59:56,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-23 12:59:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2018-11-23 12:59:56,395 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 17 [2018-11-23 12:59:56,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:56,396 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2018-11-23 12:59:56,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:59:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2018-11-23 12:59:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 12:59:56,397 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:56,397 INFO L402 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] [2018-11-23 12:59:56,397 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:56,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:56,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1941177664, now seen corresponding path program 1 times [2018-11-23 12:59:56,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:56,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:56,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:56,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:56,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:56,709 INFO L256 TraceCheckUtils]: 0: Hoare triple {448#true} call ULTIMATE.init(); {448#true} is VALID [2018-11-23 12:59:56,709 INFO L273 TraceCheckUtils]: 1: Hoare triple {448#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {448#true} is VALID [2018-11-23 12:59:56,709 INFO L273 TraceCheckUtils]: 2: Hoare triple {448#true} assume true; {448#true} is VALID [2018-11-23 12:59:56,710 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {448#true} {448#true} #93#return; {448#true} is VALID [2018-11-23 12:59:56,710 INFO L256 TraceCheckUtils]: 4: Hoare triple {448#true} call #t~ret14 := main(); {448#true} is VALID [2018-11-23 12:59:56,710 INFO L273 TraceCheckUtils]: 5: Hoare triple {448#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {448#true} is VALID [2018-11-23 12:59:56,711 INFO L256 TraceCheckUtils]: 6: Hoare triple {448#true} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {448#true} is VALID [2018-11-23 12:59:56,711 INFO L273 TraceCheckUtils]: 7: Hoare triple {448#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {448#true} is VALID [2018-11-23 12:59:56,711 INFO L273 TraceCheckUtils]: 8: Hoare triple {448#true} assume !(~len > 0); {448#true} is VALID [2018-11-23 12:59:56,712 INFO L273 TraceCheckUtils]: 9: Hoare triple {448#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {448#true} is VALID [2018-11-23 12:59:56,712 INFO L273 TraceCheckUtils]: 10: Hoare triple {448#true} assume true; {448#true} is VALID [2018-11-23 12:59:56,712 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {448#true} {448#true} #87#return; {448#true} is VALID [2018-11-23 12:59:56,712 INFO L273 TraceCheckUtils]: 12: Hoare triple {448#true} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {448#true} is VALID [2018-11-23 12:59:56,713 INFO L273 TraceCheckUtils]: 13: Hoare triple {448#true} assume !!(~i~0 >= 0); {448#true} is VALID [2018-11-23 12:59:56,713 INFO L256 TraceCheckUtils]: 14: Hoare triple {448#true} call sll_remove_last(~#s~0.base, ~#s~0.offset); {448#true} is VALID [2018-11-23 12:59:56,720 INFO L273 TraceCheckUtils]: 15: Hoare triple {448#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {450#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|))} is VALID [2018-11-23 12:59:56,724 INFO L273 TraceCheckUtils]: 16: Hoare triple {450#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|))} assume 0 == #t~mem6.base && 0 == #t~mem6.offset;havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;call #t~mem7.base, #t~mem7.offset := read~$Pointer$(~head.base, ~head.offset, 4);call ULTIMATE.dealloc(#t~mem7.base, #t~mem7.offset);havoc #t~mem7.base, #t~mem7.offset;call write~$Pointer$(0, 0, ~head.base, ~head.offset, 4); {451#(and (= 0 (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 12:59:56,725 INFO L273 TraceCheckUtils]: 17: Hoare triple {451#(and (= 0 (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} assume true; {451#(and (= 0 (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 12:59:56,726 INFO L268 TraceCheckUtils]: 18: Hoare quadruple {451#(and (= 0 (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} {448#true} #89#return; {452#(and (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 12:59:56,727 INFO L273 TraceCheckUtils]: 19: Hoare triple {452#(and (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {452#(and (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 12:59:56,728 INFO L273 TraceCheckUtils]: 20: Hoare triple {452#(and (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !(~i~0 >= 0); {452#(and (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 12:59:56,729 INFO L273 TraceCheckUtils]: 21: Hoare triple {452#(and (= 0 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {453#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.base| 0))} is VALID [2018-11-23 12:59:56,730 INFO L273 TraceCheckUtils]: 22: Hoare triple {453#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.base| 0))} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {449#false} is VALID [2018-11-23 12:59:56,730 INFO L273 TraceCheckUtils]: 23: Hoare triple {449#false} assume !false; {449#false} is VALID [2018-11-23 12:59:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:56,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:56,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:59:56,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-23 12:59:56,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:59:56,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 12:59:56,833 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:56,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:59:56,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:59:56,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:59:56,834 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 6 states. [2018-11-23 12:59:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:57,491 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-11-23 12:59:57,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:59:57,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-23 12:59:57,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:59:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 55 transitions. [2018-11-23 12:59:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:59:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 55 transitions. [2018-11-23 12:59:57,499 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 55 transitions. [2018-11-23 12:59:57,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:57,641 INFO L225 Difference]: With dead ends: 50 [2018-11-23 12:59:57,641 INFO L226 Difference]: Without dead ends: 36 [2018-11-23 12:59:57,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-23 12:59:57,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-11-23 12:59:57,682 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:59:57,682 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2018-11-23 12:59:57,682 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2018-11-23 12:59:57,683 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2018-11-23 12:59:57,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:57,686 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-11-23 12:59:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-23 12:59:57,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:57,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:57,687 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2018-11-23 12:59:57,687 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2018-11-23 12:59:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:57,690 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-11-23 12:59:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-23 12:59:57,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:57,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:57,691 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:59:57,691 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:59:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-23 12:59:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-11-23 12:59:57,693 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 24 [2018-11-23 12:59:57,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:57,694 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-11-23 12:59:57,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:59:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-23 12:59:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 12:59:57,695 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:57,696 INFO L402 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] [2018-11-23 12:59:57,696 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:57,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:57,696 INFO L82 PathProgramCache]: Analyzing trace with hash 343018333, now seen corresponding path program 1 times [2018-11-23 12:59:57,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:57,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:57,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:57,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:57,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:57,818 INFO L256 TraceCheckUtils]: 0: Hoare triple {653#true} call ULTIMATE.init(); {653#true} is VALID [2018-11-23 12:59:57,818 INFO L273 TraceCheckUtils]: 1: Hoare triple {653#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {653#true} is VALID [2018-11-23 12:59:57,819 INFO L273 TraceCheckUtils]: 2: Hoare triple {653#true} assume true; {653#true} is VALID [2018-11-23 12:59:57,819 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {653#true} {653#true} #93#return; {653#true} is VALID [2018-11-23 12:59:57,819 INFO L256 TraceCheckUtils]: 4: Hoare triple {653#true} call #t~ret14 := main(); {653#true} is VALID [2018-11-23 12:59:57,821 INFO L273 TraceCheckUtils]: 5: Hoare triple {653#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {655#(<= 2 main_~len~0)} is VALID [2018-11-23 12:59:57,822 INFO L256 TraceCheckUtils]: 6: Hoare triple {655#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {653#true} is VALID [2018-11-23 12:59:57,822 INFO L273 TraceCheckUtils]: 7: Hoare triple {653#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {656#(<= |sll_create_#in~len| sll_create_~len)} is VALID [2018-11-23 12:59:57,823 INFO L273 TraceCheckUtils]: 8: Hoare triple {656#(<= |sll_create_#in~len| sll_create_~len)} assume !(~len > 0); {657#(<= |sll_create_#in~len| 0)} is VALID [2018-11-23 12:59:57,823 INFO L273 TraceCheckUtils]: 9: Hoare triple {657#(<= |sll_create_#in~len| 0)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {657#(<= |sll_create_#in~len| 0)} is VALID [2018-11-23 12:59:57,824 INFO L273 TraceCheckUtils]: 10: Hoare triple {657#(<= |sll_create_#in~len| 0)} assume true; {657#(<= |sll_create_#in~len| 0)} is VALID [2018-11-23 12:59:57,826 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {657#(<= |sll_create_#in~len| 0)} {655#(<= 2 main_~len~0)} #87#return; {654#false} is VALID [2018-11-23 12:59:57,826 INFO L273 TraceCheckUtils]: 12: Hoare triple {654#false} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {654#false} is VALID [2018-11-23 12:59:57,827 INFO L273 TraceCheckUtils]: 13: Hoare triple {654#false} assume !!(~i~0 >= 0); {654#false} is VALID [2018-11-23 12:59:57,827 INFO L256 TraceCheckUtils]: 14: Hoare triple {654#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {653#true} is VALID [2018-11-23 12:59:57,827 INFO L273 TraceCheckUtils]: 15: Hoare triple {653#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {653#true} is VALID [2018-11-23 12:59:57,828 INFO L273 TraceCheckUtils]: 16: Hoare triple {653#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {653#true} is VALID [2018-11-23 12:59:57,828 INFO L273 TraceCheckUtils]: 17: Hoare triple {653#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {653#true} is VALID [2018-11-23 12:59:57,829 INFO L273 TraceCheckUtils]: 18: Hoare triple {653#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {653#true} is VALID [2018-11-23 12:59:57,829 INFO L273 TraceCheckUtils]: 19: Hoare triple {653#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {653#true} is VALID [2018-11-23 12:59:57,829 INFO L273 TraceCheckUtils]: 20: Hoare triple {653#true} assume true; {653#true} is VALID [2018-11-23 12:59:57,829 INFO L268 TraceCheckUtils]: 21: Hoare quadruple {653#true} {654#false} #89#return; {654#false} is VALID [2018-11-23 12:59:57,830 INFO L273 TraceCheckUtils]: 22: Hoare triple {654#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {654#false} is VALID [2018-11-23 12:59:57,830 INFO L273 TraceCheckUtils]: 23: Hoare triple {654#false} assume !(~i~0 >= 0); {654#false} is VALID [2018-11-23 12:59:57,830 INFO L273 TraceCheckUtils]: 24: Hoare triple {654#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {654#false} is VALID [2018-11-23 12:59:57,830 INFO L273 TraceCheckUtils]: 25: Hoare triple {654#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {654#false} is VALID [2018-11-23 12:59:57,831 INFO L273 TraceCheckUtils]: 26: Hoare triple {654#false} assume !false; {654#false} is VALID [2018-11-23 12:59:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:59:57,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:57,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:59:57,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-23 12:59:57,834 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:59:57,834 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:59:57,885 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:57,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:59:57,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:59:57,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:59:57,886 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-11-23 12:59:58,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:58,107 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-11-23 12:59:58,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:59:58,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-11-23 12:59:58,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:59:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2018-11-23 12:59:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:59:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2018-11-23 12:59:58,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 62 transitions. [2018-11-23 12:59:58,289 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:58,291 INFO L225 Difference]: With dead ends: 59 [2018-11-23 12:59:58,291 INFO L226 Difference]: Without dead ends: 40 [2018-11-23 12:59:58,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:59:58,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-23 12:59:58,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2018-11-23 12:59:58,335 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:59:58,335 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 37 states. [2018-11-23 12:59:58,336 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 37 states. [2018-11-23 12:59:58,336 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 37 states. [2018-11-23 12:59:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:58,340 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-11-23 12:59:58,340 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-11-23 12:59:58,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:58,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:58,341 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 40 states. [2018-11-23 12:59:58,342 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 40 states. [2018-11-23 12:59:58,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:58,345 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-11-23 12:59:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-11-23 12:59:58,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:58,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:59:58,346 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:59:58,347 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:59:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 12:59:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-11-23 12:59:58,349 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 27 [2018-11-23 12:59:58,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:58,349 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-11-23 12:59:58,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:59:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-11-23 12:59:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:59:58,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:58,351 INFO L402 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, 1, 1, 1] [2018-11-23 12:59:58,351 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:58,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:58,352 INFO L82 PathProgramCache]: Analyzing trace with hash 196313354, now seen corresponding path program 1 times [2018-11-23 12:59:58,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:59:58,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:59:58,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:58,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:58,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:58,526 INFO L256 TraceCheckUtils]: 0: Hoare triple {877#true} call ULTIMATE.init(); {877#true} is VALID [2018-11-23 12:59:58,527 INFO L273 TraceCheckUtils]: 1: Hoare triple {877#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {877#true} is VALID [2018-11-23 12:59:58,527 INFO L273 TraceCheckUtils]: 2: Hoare triple {877#true} assume true; {877#true} is VALID [2018-11-23 12:59:58,528 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {877#true} {877#true} #93#return; {877#true} is VALID [2018-11-23 12:59:58,528 INFO L256 TraceCheckUtils]: 4: Hoare triple {877#true} call #t~ret14 := main(); {877#true} is VALID [2018-11-23 12:59:58,528 INFO L273 TraceCheckUtils]: 5: Hoare triple {877#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {879#(<= 2 main_~len~0)} is VALID [2018-11-23 12:59:58,529 INFO L256 TraceCheckUtils]: 6: Hoare triple {879#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {877#true} is VALID [2018-11-23 12:59:58,529 INFO L273 TraceCheckUtils]: 7: Hoare triple {877#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {877#true} is VALID [2018-11-23 12:59:58,529 INFO L273 TraceCheckUtils]: 8: Hoare triple {877#true} assume !!(~len > 0); {877#true} is VALID [2018-11-23 12:59:58,529 INFO L256 TraceCheckUtils]: 9: Hoare triple {877#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {877#true} is VALID [2018-11-23 12:59:58,530 INFO L273 TraceCheckUtils]: 10: Hoare triple {877#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {877#true} is VALID [2018-11-23 12:59:58,530 INFO L273 TraceCheckUtils]: 11: Hoare triple {877#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {877#true} is VALID [2018-11-23 12:59:58,530 INFO L273 TraceCheckUtils]: 12: Hoare triple {877#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {877#true} is VALID [2018-11-23 12:59:58,530 INFO L273 TraceCheckUtils]: 13: Hoare triple {877#true} assume true; {877#true} is VALID [2018-11-23 12:59:58,531 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {877#true} {877#true} #91#return; {877#true} is VALID [2018-11-23 12:59:58,531 INFO L273 TraceCheckUtils]: 15: Hoare triple {877#true} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {877#true} is VALID [2018-11-23 12:59:58,531 INFO L273 TraceCheckUtils]: 16: Hoare triple {877#true} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {877#true} is VALID [2018-11-23 12:59:58,532 INFO L273 TraceCheckUtils]: 17: Hoare triple {877#true} assume !(~len > 0); {877#true} is VALID [2018-11-23 12:59:58,532 INFO L273 TraceCheckUtils]: 18: Hoare triple {877#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {877#true} is VALID [2018-11-23 12:59:58,532 INFO L273 TraceCheckUtils]: 19: Hoare triple {877#true} assume true; {877#true} is VALID [2018-11-23 12:59:58,537 INFO L268 TraceCheckUtils]: 20: Hoare quadruple {877#true} {879#(<= 2 main_~len~0)} #87#return; {879#(<= 2 main_~len~0)} is VALID [2018-11-23 12:59:58,538 INFO L273 TraceCheckUtils]: 21: Hoare triple {879#(<= 2 main_~len~0)} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {880#(<= 1 main_~i~0)} is VALID [2018-11-23 12:59:58,542 INFO L273 TraceCheckUtils]: 22: Hoare triple {880#(<= 1 main_~i~0)} assume !!(~i~0 >= 0); {880#(<= 1 main_~i~0)} is VALID [2018-11-23 12:59:58,542 INFO L256 TraceCheckUtils]: 23: Hoare triple {880#(<= 1 main_~i~0)} call sll_remove_last(~#s~0.base, ~#s~0.offset); {877#true} is VALID [2018-11-23 12:59:58,542 INFO L273 TraceCheckUtils]: 24: Hoare triple {877#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {877#true} is VALID [2018-11-23 12:59:58,543 INFO L273 TraceCheckUtils]: 25: Hoare triple {877#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {877#true} is VALID [2018-11-23 12:59:58,543 INFO L273 TraceCheckUtils]: 26: Hoare triple {877#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {877#true} is VALID [2018-11-23 12:59:58,543 INFO L273 TraceCheckUtils]: 27: Hoare triple {877#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {877#true} is VALID [2018-11-23 12:59:58,543 INFO L273 TraceCheckUtils]: 28: Hoare triple {877#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {877#true} is VALID [2018-11-23 12:59:58,544 INFO L273 TraceCheckUtils]: 29: Hoare triple {877#true} assume true; {877#true} is VALID [2018-11-23 12:59:58,545 INFO L268 TraceCheckUtils]: 30: Hoare quadruple {877#true} {880#(<= 1 main_~i~0)} #89#return; {880#(<= 1 main_~i~0)} is VALID [2018-11-23 12:59:58,546 INFO L273 TraceCheckUtils]: 31: Hoare triple {880#(<= 1 main_~i~0)} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {881#(<= 0 main_~i~0)} is VALID [2018-11-23 12:59:58,547 INFO L273 TraceCheckUtils]: 32: Hoare triple {881#(<= 0 main_~i~0)} assume !(~i~0 >= 0); {878#false} is VALID [2018-11-23 12:59:58,547 INFO L273 TraceCheckUtils]: 33: Hoare triple {878#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {878#false} is VALID [2018-11-23 12:59:58,547 INFO L273 TraceCheckUtils]: 34: Hoare triple {878#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {878#false} is VALID [2018-11-23 12:59:58,548 INFO L273 TraceCheckUtils]: 35: Hoare triple {878#false} assume !false; {878#false} is VALID [2018-11-23 12:59:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:59:58,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:58,551 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:59:58,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:58,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:59,038 INFO L256 TraceCheckUtils]: 0: Hoare triple {877#true} call ULTIMATE.init(); {877#true} is VALID [2018-11-23 12:59:59,039 INFO L273 TraceCheckUtils]: 1: Hoare triple {877#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {877#true} is VALID [2018-11-23 12:59:59,040 INFO L273 TraceCheckUtils]: 2: Hoare triple {877#true} assume true; {877#true} is VALID [2018-11-23 12:59:59,040 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {877#true} {877#true} #93#return; {877#true} is VALID [2018-11-23 12:59:59,041 INFO L256 TraceCheckUtils]: 4: Hoare triple {877#true} call #t~ret14 := main(); {877#true} is VALID [2018-11-23 12:59:59,042 INFO L273 TraceCheckUtils]: 5: Hoare triple {877#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {879#(<= 2 main_~len~0)} is VALID [2018-11-23 12:59:59,042 INFO L256 TraceCheckUtils]: 6: Hoare triple {879#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {877#true} is VALID [2018-11-23 12:59:59,047 INFO L273 TraceCheckUtils]: 7: Hoare triple {877#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {906#(<= |sll_create_#in~len| sll_create_~len)} is VALID [2018-11-23 12:59:59,047 INFO L273 TraceCheckUtils]: 8: Hoare triple {906#(<= |sll_create_#in~len| sll_create_~len)} assume !!(~len > 0); {906#(<= |sll_create_#in~len| sll_create_~len)} is VALID [2018-11-23 12:59:59,048 INFO L256 TraceCheckUtils]: 9: Hoare triple {906#(<= |sll_create_#in~len| sll_create_~len)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {877#true} is VALID [2018-11-23 12:59:59,048 INFO L273 TraceCheckUtils]: 10: Hoare triple {877#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {877#true} is VALID [2018-11-23 12:59:59,048 INFO L273 TraceCheckUtils]: 11: Hoare triple {877#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {877#true} is VALID [2018-11-23 12:59:59,048 INFO L273 TraceCheckUtils]: 12: Hoare triple {877#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {877#true} is VALID [2018-11-23 12:59:59,049 INFO L273 TraceCheckUtils]: 13: Hoare triple {877#true} assume true; {877#true} is VALID [2018-11-23 12:59:59,050 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {877#true} {906#(<= |sll_create_#in~len| sll_create_~len)} #91#return; {906#(<= |sll_create_#in~len| sll_create_~len)} is VALID [2018-11-23 12:59:59,050 INFO L273 TraceCheckUtils]: 15: Hoare triple {906#(<= |sll_create_#in~len| sll_create_~len)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {906#(<= |sll_create_#in~len| sll_create_~len)} is VALID [2018-11-23 12:59:59,052 INFO L273 TraceCheckUtils]: 16: Hoare triple {906#(<= |sll_create_#in~len| sll_create_~len)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {934#(<= |sll_create_#in~len| (+ sll_create_~len 1))} is VALID [2018-11-23 12:59:59,053 INFO L273 TraceCheckUtils]: 17: Hoare triple {934#(<= |sll_create_#in~len| (+ sll_create_~len 1))} assume !(~len > 0); {938#(<= |sll_create_#in~len| 1)} is VALID [2018-11-23 12:59:59,054 INFO L273 TraceCheckUtils]: 18: Hoare triple {938#(<= |sll_create_#in~len| 1)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {938#(<= |sll_create_#in~len| 1)} is VALID [2018-11-23 12:59:59,054 INFO L273 TraceCheckUtils]: 19: Hoare triple {938#(<= |sll_create_#in~len| 1)} assume true; {938#(<= |sll_create_#in~len| 1)} is VALID [2018-11-23 12:59:59,060 INFO L268 TraceCheckUtils]: 20: Hoare quadruple {938#(<= |sll_create_#in~len| 1)} {879#(<= 2 main_~len~0)} #87#return; {878#false} is VALID [2018-11-23 12:59:59,060 INFO L273 TraceCheckUtils]: 21: Hoare triple {878#false} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {878#false} is VALID [2018-11-23 12:59:59,061 INFO L273 TraceCheckUtils]: 22: Hoare triple {878#false} assume !!(~i~0 >= 0); {878#false} is VALID [2018-11-23 12:59:59,061 INFO L256 TraceCheckUtils]: 23: Hoare triple {878#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {878#false} is VALID [2018-11-23 12:59:59,061 INFO L273 TraceCheckUtils]: 24: Hoare triple {878#false} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {878#false} is VALID [2018-11-23 12:59:59,062 INFO L273 TraceCheckUtils]: 25: Hoare triple {878#false} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {878#false} is VALID [2018-11-23 12:59:59,062 INFO L273 TraceCheckUtils]: 26: Hoare triple {878#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {878#false} is VALID [2018-11-23 12:59:59,062 INFO L273 TraceCheckUtils]: 27: Hoare triple {878#false} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {878#false} is VALID [2018-11-23 12:59:59,062 INFO L273 TraceCheckUtils]: 28: Hoare triple {878#false} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {878#false} is VALID [2018-11-23 12:59:59,063 INFO L273 TraceCheckUtils]: 29: Hoare triple {878#false} assume true; {878#false} is VALID [2018-11-23 12:59:59,063 INFO L268 TraceCheckUtils]: 30: Hoare quadruple {878#false} {878#false} #89#return; {878#false} is VALID [2018-11-23 12:59:59,063 INFO L273 TraceCheckUtils]: 31: Hoare triple {878#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {878#false} is VALID [2018-11-23 12:59:59,063 INFO L273 TraceCheckUtils]: 32: Hoare triple {878#false} assume !(~i~0 >= 0); {878#false} is VALID [2018-11-23 12:59:59,064 INFO L273 TraceCheckUtils]: 33: Hoare triple {878#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {878#false} is VALID [2018-11-23 12:59:59,064 INFO L273 TraceCheckUtils]: 34: Hoare triple {878#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {878#false} is VALID [2018-11-23 12:59:59,064 INFO L273 TraceCheckUtils]: 35: Hoare triple {878#false} assume !false; {878#false} is VALID [2018-11-23 12:59:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:59:59,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:59,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2018-11-23 12:59:59,087 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-23 12:59:59,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:59:59,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 12:59:59,251 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:59:59,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:59:59,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:59:59,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:59,252 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 8 states. [2018-11-23 12:59:59,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:59,953 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-11-23 12:59:59,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:59:59,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-23 12:59:59,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:59:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 73 transitions. [2018-11-23 12:59:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:59:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 73 transitions. [2018-11-23 12:59:59,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 73 transitions. [2018-11-23 13:00:00,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:00:00,116 INFO L225 Difference]: With dead ends: 66 [2018-11-23 13:00:00,116 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 13:00:00,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:00:00,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 13:00:00,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2018-11-23 13:00:00,235 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:00:00,235 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 44 states. [2018-11-23 13:00:00,236 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 44 states. [2018-11-23 13:00:00,236 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 44 states. [2018-11-23 13:00:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:00,240 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-11-23 13:00:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2018-11-23 13:00:00,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:00,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:00:00,241 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 47 states. [2018-11-23 13:00:00,241 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 47 states. [2018-11-23 13:00:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:00,244 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-11-23 13:00:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2018-11-23 13:00:00,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:00,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:00:00,246 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:00:00,246 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:00:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 13:00:00,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-11-23 13:00:00,249 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 36 [2018-11-23 13:00:00,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:00,249 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-11-23 13:00:00,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:00:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-11-23 13:00:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 13:00:00,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:00,251 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:00:00,252 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:00,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:00,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2087959401, now seen corresponding path program 2 times [2018-11-23 13:00:00,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:00:00,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:00:00,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:00,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:00,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:01,062 INFO L256 TraceCheckUtils]: 0: Hoare triple {1249#true} call ULTIMATE.init(); {1249#true} is VALID [2018-11-23 13:00:01,062 INFO L273 TraceCheckUtils]: 1: Hoare triple {1249#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {1249#true} is VALID [2018-11-23 13:00:01,063 INFO L273 TraceCheckUtils]: 2: Hoare triple {1249#true} assume true; {1249#true} is VALID [2018-11-23 13:00:01,063 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1249#true} {1249#true} #93#return; {1249#true} is VALID [2018-11-23 13:00:01,063 INFO L256 TraceCheckUtils]: 4: Hoare triple {1249#true} call #t~ret14 := main(); {1249#true} is VALID [2018-11-23 13:00:01,063 INFO L273 TraceCheckUtils]: 5: Hoare triple {1249#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {1249#true} is VALID [2018-11-23 13:00:01,064 INFO L256 TraceCheckUtils]: 6: Hoare triple {1249#true} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {1249#true} is VALID [2018-11-23 13:00:01,064 INFO L273 TraceCheckUtils]: 7: Hoare triple {1249#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {1249#true} is VALID [2018-11-23 13:00:01,064 INFO L273 TraceCheckUtils]: 8: Hoare triple {1249#true} assume !!(~len > 0); {1249#true} is VALID [2018-11-23 13:00:01,064 INFO L256 TraceCheckUtils]: 9: Hoare triple {1249#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1249#true} is VALID [2018-11-23 13:00:01,064 INFO L273 TraceCheckUtils]: 10: Hoare triple {1249#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1249#true} is VALID [2018-11-23 13:00:01,065 INFO L273 TraceCheckUtils]: 11: Hoare triple {1249#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1249#true} is VALID [2018-11-23 13:00:01,065 INFO L273 TraceCheckUtils]: 12: Hoare triple {1249#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1249#true} is VALID [2018-11-23 13:00:01,065 INFO L273 TraceCheckUtils]: 13: Hoare triple {1249#true} assume true; {1249#true} is VALID [2018-11-23 13:00:01,065 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {1249#true} {1249#true} #91#return; {1249#true} is VALID [2018-11-23 13:00:01,066 INFO L273 TraceCheckUtils]: 15: Hoare triple {1249#true} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1249#true} is VALID [2018-11-23 13:00:01,066 INFO L273 TraceCheckUtils]: 16: Hoare triple {1249#true} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1249#true} is VALID [2018-11-23 13:00:01,066 INFO L273 TraceCheckUtils]: 17: Hoare triple {1249#true} assume !!(~len > 0); {1249#true} is VALID [2018-11-23 13:00:01,066 INFO L256 TraceCheckUtils]: 18: Hoare triple {1249#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1249#true} is VALID [2018-11-23 13:00:01,081 INFO L273 TraceCheckUtils]: 19: Hoare triple {1249#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1251#(= 0 node_create_~temp~0.offset)} is VALID [2018-11-23 13:00:01,082 INFO L273 TraceCheckUtils]: 20: Hoare triple {1251#(= 0 node_create_~temp~0.offset)} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1251#(= 0 node_create_~temp~0.offset)} is VALID [2018-11-23 13:00:01,083 INFO L273 TraceCheckUtils]: 21: Hoare triple {1251#(= 0 node_create_~temp~0.offset)} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1252#(= 0 |node_create_#res.offset|)} is VALID [2018-11-23 13:00:01,083 INFO L273 TraceCheckUtils]: 22: Hoare triple {1252#(= 0 |node_create_#res.offset|)} assume true; {1252#(= 0 |node_create_#res.offset|)} is VALID [2018-11-23 13:00:01,085 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {1252#(= 0 |node_create_#res.offset|)} {1249#true} #91#return; {1253#(= 0 |sll_create_#t~ret4.offset|)} is VALID [2018-11-23 13:00:01,086 INFO L273 TraceCheckUtils]: 24: Hoare triple {1253#(= 0 |sll_create_#t~ret4.offset|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1254#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} is VALID [2018-11-23 13:00:01,087 INFO L273 TraceCheckUtils]: 25: Hoare triple {1254#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1254#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} is VALID [2018-11-23 13:00:01,088 INFO L273 TraceCheckUtils]: 26: Hoare triple {1254#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} assume !(~len > 0); {1254#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} is VALID [2018-11-23 13:00:01,089 INFO L273 TraceCheckUtils]: 27: Hoare triple {1254#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1255#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} is VALID [2018-11-23 13:00:01,090 INFO L273 TraceCheckUtils]: 28: Hoare triple {1255#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} assume true; {1255#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} is VALID [2018-11-23 13:00:01,091 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {1255#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} {1249#true} #87#return; {1256#(and (<= |main_#t~ret11.offset| 0) (<= 0 |main_#t~ret11.offset|))} is VALID [2018-11-23 13:00:01,093 INFO L273 TraceCheckUtils]: 30: Hoare triple {1256#(and (<= |main_#t~ret11.offset| 0) (<= 0 |main_#t~ret11.offset|))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {1257#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:00:01,094 INFO L273 TraceCheckUtils]: 31: Hoare triple {1257#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !!(~i~0 >= 0); {1257#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:00:01,095 INFO L256 TraceCheckUtils]: 32: Hoare triple {1257#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1258#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)} is VALID [2018-11-23 13:00:01,097 INFO L273 TraceCheckUtils]: 33: Hoare triple {1258#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1259#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (or (<= 1 (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset)) (and (= |sll_remove_last_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4)) (= |sll_remove_last_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4))) (<= (+ (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:01,099 INFO L273 TraceCheckUtils]: 34: Hoare triple {1259#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (or (<= 1 (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset)) (and (= |sll_remove_last_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4)) (= |sll_remove_last_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4))) (<= (+ (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1260#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (and (= 0 sll_remove_last_~last~0.offset) (or (not (= (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)))))) (<= (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:01,101 INFO L273 TraceCheckUtils]: 35: Hoare triple {1260#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (and (= 0 sll_remove_last_~last~0.offset) (or (not (= (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)))))) (<= (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1261#(and (or (not (= 0 |sll_remove_last_#t~mem10.base|)) (<= 1 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#t~mem10.offset| 0)) (<= (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:01,102 INFO L273 TraceCheckUtils]: 36: Hoare triple {1261#(and (or (not (= 0 |sll_remove_last_#t~mem10.base|)) (<= 1 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#t~mem10.offset| 0)) (<= (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1262#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:01,104 INFO L273 TraceCheckUtils]: 37: Hoare triple {1262#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1263#(or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:01,105 INFO L273 TraceCheckUtils]: 38: Hoare triple {1263#(or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} assume true; {1263#(or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:01,106 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {1263#(or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} {1257#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} #89#return; {1250#false} is VALID [2018-11-23 13:00:01,107 INFO L273 TraceCheckUtils]: 40: Hoare triple {1250#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1250#false} is VALID [2018-11-23 13:00:01,107 INFO L273 TraceCheckUtils]: 41: Hoare triple {1250#false} assume !!(~i~0 >= 0); {1250#false} is VALID [2018-11-23 13:00:01,107 INFO L256 TraceCheckUtils]: 42: Hoare triple {1250#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1249#true} is VALID [2018-11-23 13:00:01,108 INFO L273 TraceCheckUtils]: 43: Hoare triple {1249#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1249#true} is VALID [2018-11-23 13:00:01,108 INFO L273 TraceCheckUtils]: 44: Hoare triple {1249#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1249#true} is VALID [2018-11-23 13:00:01,109 INFO L273 TraceCheckUtils]: 45: Hoare triple {1249#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1249#true} is VALID [2018-11-23 13:00:01,109 INFO L273 TraceCheckUtils]: 46: Hoare triple {1249#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1249#true} is VALID [2018-11-23 13:00:01,110 INFO L273 TraceCheckUtils]: 47: Hoare triple {1249#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1249#true} is VALID [2018-11-23 13:00:01,110 INFO L273 TraceCheckUtils]: 48: Hoare triple {1249#true} assume true; {1249#true} is VALID [2018-11-23 13:00:01,110 INFO L268 TraceCheckUtils]: 49: Hoare quadruple {1249#true} {1250#false} #89#return; {1250#false} is VALID [2018-11-23 13:00:01,111 INFO L273 TraceCheckUtils]: 50: Hoare triple {1250#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1250#false} is VALID [2018-11-23 13:00:01,111 INFO L273 TraceCheckUtils]: 51: Hoare triple {1250#false} assume !(~i~0 >= 0); {1250#false} is VALID [2018-11-23 13:00:01,111 INFO L273 TraceCheckUtils]: 52: Hoare triple {1250#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {1250#false} is VALID [2018-11-23 13:00:01,111 INFO L273 TraceCheckUtils]: 53: Hoare triple {1250#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {1250#false} is VALID [2018-11-23 13:00:01,112 INFO L273 TraceCheckUtils]: 54: Hoare triple {1250#false} assume !false; {1250#false} is VALID [2018-11-23 13:00:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 13:00:01,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:01,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:01,141 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 13:00:01,223 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 13:00:01,223 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 13:00:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:01,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:01,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 13:00:01,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 13:00:01,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:01,591 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:00:01,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:00:01,605 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:10 [2018-11-23 13:00:01,608 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:00:01,609 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#memory_$Pointer$.base_24|, v_sll_create_~head~0.base_5]. (and (not (= 0 v_sll_create_~head~0.base_5)) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_24| sll_create_~head~0.base (store (select |v_#memory_$Pointer$.base_24| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4) v_sll_create_~head~0.base_5)))) [2018-11-23 13:00:01,609 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0)) [2018-11-23 13:00:02,211 INFO L256 TraceCheckUtils]: 0: Hoare triple {1249#true} call ULTIMATE.init(); {1249#true} is VALID [2018-11-23 13:00:02,211 INFO L273 TraceCheckUtils]: 1: Hoare triple {1249#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {1249#true} is VALID [2018-11-23 13:00:02,212 INFO L273 TraceCheckUtils]: 2: Hoare triple {1249#true} assume true; {1249#true} is VALID [2018-11-23 13:00:02,212 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1249#true} {1249#true} #93#return; {1249#true} is VALID [2018-11-23 13:00:02,212 INFO L256 TraceCheckUtils]: 4: Hoare triple {1249#true} call #t~ret14 := main(); {1249#true} is VALID [2018-11-23 13:00:02,213 INFO L273 TraceCheckUtils]: 5: Hoare triple {1249#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {1282#(= |main_~#s~0.offset| 0)} is VALID [2018-11-23 13:00:02,213 INFO L256 TraceCheckUtils]: 6: Hoare triple {1282#(= |main_~#s~0.offset| 0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {1249#true} is VALID [2018-11-23 13:00:02,213 INFO L273 TraceCheckUtils]: 7: Hoare triple {1249#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {1249#true} is VALID [2018-11-23 13:00:02,213 INFO L273 TraceCheckUtils]: 8: Hoare triple {1249#true} assume !!(~len > 0); {1249#true} is VALID [2018-11-23 13:00:02,213 INFO L256 TraceCheckUtils]: 9: Hoare triple {1249#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1249#true} is VALID [2018-11-23 13:00:02,214 INFO L273 TraceCheckUtils]: 10: Hoare triple {1249#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1251#(= 0 node_create_~temp~0.offset)} is VALID [2018-11-23 13:00:02,215 INFO L273 TraceCheckUtils]: 11: Hoare triple {1251#(= 0 node_create_~temp~0.offset)} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1301#(not (= 0 node_create_~temp~0.base))} is VALID [2018-11-23 13:00:02,219 INFO L273 TraceCheckUtils]: 12: Hoare triple {1301#(not (= 0 node_create_~temp~0.base))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1305#(not (= 0 |node_create_#res.base|))} is VALID [2018-11-23 13:00:02,220 INFO L273 TraceCheckUtils]: 13: Hoare triple {1305#(not (= 0 |node_create_#res.base|))} assume true; {1305#(not (= 0 |node_create_#res.base|))} is VALID [2018-11-23 13:00:02,220 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {1305#(not (= 0 |node_create_#res.base|))} {1249#true} #91#return; {1312#(not (= 0 |sll_create_#t~ret4.base|))} is VALID [2018-11-23 13:00:02,223 INFO L273 TraceCheckUtils]: 15: Hoare triple {1312#(not (= 0 |sll_create_#t~ret4.base|))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1316#(not (= sll_create_~head~0.base 0))} is VALID [2018-11-23 13:00:02,224 INFO L273 TraceCheckUtils]: 16: Hoare triple {1316#(not (= sll_create_~head~0.base 0))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1316#(not (= sll_create_~head~0.base 0))} is VALID [2018-11-23 13:00:02,224 INFO L273 TraceCheckUtils]: 17: Hoare triple {1316#(not (= sll_create_~head~0.base 0))} assume !!(~len > 0); {1316#(not (= sll_create_~head~0.base 0))} is VALID [2018-11-23 13:00:02,224 INFO L256 TraceCheckUtils]: 18: Hoare triple {1316#(not (= sll_create_~head~0.base 0))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1249#true} is VALID [2018-11-23 13:00:02,225 INFO L273 TraceCheckUtils]: 19: Hoare triple {1249#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1249#true} is VALID [2018-11-23 13:00:02,225 INFO L273 TraceCheckUtils]: 20: Hoare triple {1249#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1249#true} is VALID [2018-11-23 13:00:02,225 INFO L273 TraceCheckUtils]: 21: Hoare triple {1249#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1249#true} is VALID [2018-11-23 13:00:02,225 INFO L273 TraceCheckUtils]: 22: Hoare triple {1249#true} assume true; {1249#true} is VALID [2018-11-23 13:00:02,226 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {1249#true} {1316#(not (= sll_create_~head~0.base 0))} #91#return; {1316#(not (= sll_create_~head~0.base 0))} is VALID [2018-11-23 13:00:02,230 INFO L273 TraceCheckUtils]: 24: Hoare triple {1316#(not (= sll_create_~head~0.base 0))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1344#(not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0))} is VALID [2018-11-23 13:00:02,230 INFO L273 TraceCheckUtils]: 25: Hoare triple {1344#(not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1344#(not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0))} is VALID [2018-11-23 13:00:02,231 INFO L273 TraceCheckUtils]: 26: Hoare triple {1344#(not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0))} assume !(~len > 0); {1344#(not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0))} is VALID [2018-11-23 13:00:02,231 INFO L273 TraceCheckUtils]: 27: Hoare triple {1344#(not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) 0))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1354#(not (= (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) (+ |sll_create_#res.offset| 4)) 0))} is VALID [2018-11-23 13:00:02,232 INFO L273 TraceCheckUtils]: 28: Hoare triple {1354#(not (= (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) (+ |sll_create_#res.offset| 4)) 0))} assume true; {1354#(not (= (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) (+ |sll_create_#res.offset| 4)) 0))} is VALID [2018-11-23 13:00:02,233 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {1354#(not (= (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) (+ |sll_create_#res.offset| 4)) 0))} {1282#(= |main_~#s~0.offset| 0)} #87#return; {1361#(and (= |main_~#s~0.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) (+ |main_#t~ret11.offset| 4)) 0)))} is VALID [2018-11-23 13:00:02,235 INFO L273 TraceCheckUtils]: 30: Hoare triple {1361#(and (= |main_~#s~0.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) (+ |main_#t~ret11.offset| 4)) 0)))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {1365#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)))) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:02,236 INFO L273 TraceCheckUtils]: 31: Hoare triple {1365#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)))) (= |main_~#s~0.offset| 0))} assume !!(~i~0 >= 0); {1365#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)))) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:02,237 INFO L256 TraceCheckUtils]: 32: Hoare triple {1365#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)))) (= |main_~#s~0.offset| 0))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1372#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:02,239 INFO L273 TraceCheckUtils]: 33: Hoare triple {1372#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1376#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_remove_last_#in~head.offset| sll_remove_last_~head.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:02,240 INFO L273 TraceCheckUtils]: 34: Hoare triple {1376#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_remove_last_#in~head.offset| sll_remove_last_~head.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1380#(and (= sll_remove_last_~last~0.offset (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base))} is VALID [2018-11-23 13:00:02,241 INFO L273 TraceCheckUtils]: 35: Hoare triple {1380#(and (= sll_remove_last_~last~0.offset (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1384#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) |sll_remove_last_#t~mem10.base|)} is VALID [2018-11-23 13:00:02,242 INFO L273 TraceCheckUtils]: 36: Hoare triple {1384#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) |sll_remove_last_#t~mem10.base|)} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1388#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)} is VALID [2018-11-23 13:00:02,245 INFO L273 TraceCheckUtils]: 37: Hoare triple {1388#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1388#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)} is VALID [2018-11-23 13:00:02,250 INFO L273 TraceCheckUtils]: 38: Hoare triple {1388#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)} assume true; {1388#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)} is VALID [2018-11-23 13:00:02,251 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {1388#(= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)} {1365#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 4)))) (= |main_~#s~0.offset| 0))} #89#return; {1250#false} is VALID [2018-11-23 13:00:02,252 INFO L273 TraceCheckUtils]: 40: Hoare triple {1250#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1250#false} is VALID [2018-11-23 13:00:02,252 INFO L273 TraceCheckUtils]: 41: Hoare triple {1250#false} assume !!(~i~0 >= 0); {1250#false} is VALID [2018-11-23 13:00:02,252 INFO L256 TraceCheckUtils]: 42: Hoare triple {1250#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1250#false} is VALID [2018-11-23 13:00:02,252 INFO L273 TraceCheckUtils]: 43: Hoare triple {1250#false} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1250#false} is VALID [2018-11-23 13:00:02,253 INFO L273 TraceCheckUtils]: 44: Hoare triple {1250#false} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1250#false} is VALID [2018-11-23 13:00:02,253 INFO L273 TraceCheckUtils]: 45: Hoare triple {1250#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1250#false} is VALID [2018-11-23 13:00:02,253 INFO L273 TraceCheckUtils]: 46: Hoare triple {1250#false} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1250#false} is VALID [2018-11-23 13:00:02,253 INFO L273 TraceCheckUtils]: 47: Hoare triple {1250#false} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1250#false} is VALID [2018-11-23 13:00:02,254 INFO L273 TraceCheckUtils]: 48: Hoare triple {1250#false} assume true; {1250#false} is VALID [2018-11-23 13:00:02,254 INFO L268 TraceCheckUtils]: 49: Hoare quadruple {1250#false} {1250#false} #89#return; {1250#false} is VALID [2018-11-23 13:00:02,254 INFO L273 TraceCheckUtils]: 50: Hoare triple {1250#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1250#false} is VALID [2018-11-23 13:00:02,254 INFO L273 TraceCheckUtils]: 51: Hoare triple {1250#false} assume !(~i~0 >= 0); {1250#false} is VALID [2018-11-23 13:00:02,254 INFO L273 TraceCheckUtils]: 52: Hoare triple {1250#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {1250#false} is VALID [2018-11-23 13:00:02,255 INFO L273 TraceCheckUtils]: 53: Hoare triple {1250#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {1250#false} is VALID [2018-11-23 13:00:02,255 INFO L273 TraceCheckUtils]: 54: Hoare triple {1250#false} assume !false; {1250#false} is VALID [2018-11-23 13:00:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:00:02,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:00:02,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 29 [2018-11-23 13:00:02,291 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2018-11-23 13:00:02,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:00:02,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2018-11-23 13:00:02,504 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:00:02,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-23 13:00:02,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-23 13:00:02,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2018-11-23 13:00:02,505 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 29 states. [2018-11-23 13:00:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:06,031 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-11-23 13:00:06,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 13:00:06,031 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 55 [2018-11-23 13:00:06,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 13:00:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 70 transitions. [2018-11-23 13:00:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 13:00:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 70 transitions. [2018-11-23 13:00:06,039 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 70 transitions. [2018-11-23 13:00:06,140 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:00:06,143 INFO L225 Difference]: With dead ends: 66 [2018-11-23 13:00:06,144 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 13:00:06,146 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=173, Invalid=1807, Unknown=0, NotChecked=0, Total=1980 [2018-11-23 13:00:06,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 13:00:06,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2018-11-23 13:00:06,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:00:06,209 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 49 states. [2018-11-23 13:00:06,209 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 49 states. [2018-11-23 13:00:06,209 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 49 states. [2018-11-23 13:00:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:06,213 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-11-23 13:00:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-11-23 13:00:06,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:06,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:00:06,214 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 50 states. [2018-11-23 13:00:06,214 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 50 states. [2018-11-23 13:00:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:06,217 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-11-23 13:00:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-11-23 13:00:06,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:06,218 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:00:06,218 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:00:06,218 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:00:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-23 13:00:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-11-23 13:00:06,220 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 55 [2018-11-23 13:00:06,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:06,222 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-11-23 13:00:06,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-23 13:00:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-11-23 13:00:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 13:00:06,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:06,224 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:00:06,224 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:06,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:06,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1650106802, now seen corresponding path program 1 times [2018-11-23 13:00:06,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:00:06,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:00:06,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:06,226 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:00:06,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:07,389 INFO L256 TraceCheckUtils]: 0: Hoare triple {1739#true} call ULTIMATE.init(); {1739#true} is VALID [2018-11-23 13:00:07,390 INFO L273 TraceCheckUtils]: 1: Hoare triple {1739#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {1739#true} is VALID [2018-11-23 13:00:07,390 INFO L273 TraceCheckUtils]: 2: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:07,390 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1739#true} {1739#true} #93#return; {1739#true} is VALID [2018-11-23 13:00:07,390 INFO L256 TraceCheckUtils]: 4: Hoare triple {1739#true} call #t~ret14 := main(); {1739#true} is VALID [2018-11-23 13:00:07,391 INFO L273 TraceCheckUtils]: 5: Hoare triple {1739#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {1741#(= |main_~#s~0.offset| 0)} is VALID [2018-11-23 13:00:07,391 INFO L256 TraceCheckUtils]: 6: Hoare triple {1741#(= |main_~#s~0.offset| 0)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {1739#true} is VALID [2018-11-23 13:00:07,391 INFO L273 TraceCheckUtils]: 7: Hoare triple {1739#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {1739#true} is VALID [2018-11-23 13:00:07,391 INFO L273 TraceCheckUtils]: 8: Hoare triple {1739#true} assume !!(~len > 0); {1739#true} is VALID [2018-11-23 13:00:07,391 INFO L256 TraceCheckUtils]: 9: Hoare triple {1739#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1739#true} is VALID [2018-11-23 13:00:07,391 INFO L273 TraceCheckUtils]: 10: Hoare triple {1739#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L273 TraceCheckUtils]: 11: Hoare triple {1739#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L273 TraceCheckUtils]: 12: Hoare triple {1739#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L273 TraceCheckUtils]: 13: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {1739#true} {1739#true} #91#return; {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L273 TraceCheckUtils]: 15: Hoare triple {1739#true} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L273 TraceCheckUtils]: 16: Hoare triple {1739#true} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1739#true} is VALID [2018-11-23 13:00:07,392 INFO L273 TraceCheckUtils]: 17: Hoare triple {1739#true} assume !!(~len > 0); {1739#true} is VALID [2018-11-23 13:00:07,393 INFO L256 TraceCheckUtils]: 18: Hoare triple {1739#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1739#true} is VALID [2018-11-23 13:00:07,394 INFO L273 TraceCheckUtils]: 19: Hoare triple {1739#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1742#(= node_create_~temp~0.offset 0)} is VALID [2018-11-23 13:00:07,394 INFO L273 TraceCheckUtils]: 20: Hoare triple {1742#(= node_create_~temp~0.offset 0)} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1742#(= node_create_~temp~0.offset 0)} is VALID [2018-11-23 13:00:07,395 INFO L273 TraceCheckUtils]: 21: Hoare triple {1742#(= node_create_~temp~0.offset 0)} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1743#(= 0 |node_create_#res.offset|)} is VALID [2018-11-23 13:00:07,396 INFO L273 TraceCheckUtils]: 22: Hoare triple {1743#(= 0 |node_create_#res.offset|)} assume true; {1743#(= 0 |node_create_#res.offset|)} is VALID [2018-11-23 13:00:07,396 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {1743#(= 0 |node_create_#res.offset|)} {1739#true} #91#return; {1744#(= 0 |sll_create_#t~ret4.offset|)} is VALID [2018-11-23 13:00:07,397 INFO L273 TraceCheckUtils]: 24: Hoare triple {1744#(= 0 |sll_create_#t~ret4.offset|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1745#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} is VALID [2018-11-23 13:00:07,398 INFO L273 TraceCheckUtils]: 25: Hoare triple {1745#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1745#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} is VALID [2018-11-23 13:00:07,398 INFO L273 TraceCheckUtils]: 26: Hoare triple {1745#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} assume !(~len > 0); {1745#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} is VALID [2018-11-23 13:00:07,399 INFO L273 TraceCheckUtils]: 27: Hoare triple {1745#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1746#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} is VALID [2018-11-23 13:00:07,400 INFO L273 TraceCheckUtils]: 28: Hoare triple {1746#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} assume true; {1746#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} is VALID [2018-11-23 13:00:07,401 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {1746#(and (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} {1741#(= |main_~#s~0.offset| 0)} #87#return; {1747#(and (= 0 |main_#t~ret11.offset|) (<= |main_~#s~0.offset| |main_#t~ret11.offset|))} is VALID [2018-11-23 13:00:07,403 INFO L273 TraceCheckUtils]: 30: Hoare triple {1747#(and (= 0 |main_#t~ret11.offset|) (<= |main_~#s~0.offset| |main_#t~ret11.offset|))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {1748#(and (<= |main_~#s~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:00:07,404 INFO L273 TraceCheckUtils]: 31: Hoare triple {1748#(and (<= |main_~#s~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !!(~i~0 >= 0); {1748#(and (<= |main_~#s~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:00:07,405 INFO L256 TraceCheckUtils]: 32: Hoare triple {1748#(and (<= |main_~#s~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1749#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)} is VALID [2018-11-23 13:00:07,406 INFO L273 TraceCheckUtils]: 33: Hoare triple {1749#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1750#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:07,407 INFO L273 TraceCheckUtils]: 34: Hoare triple {1750#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1751#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:07,408 INFO L273 TraceCheckUtils]: 35: Hoare triple {1751#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1751#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:07,409 INFO L273 TraceCheckUtils]: 36: Hoare triple {1751#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {1752#(or (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (= (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:00:07,410 INFO L273 TraceCheckUtils]: 37: Hoare triple {1752#(or (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (= (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1752#(or (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (= (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:00:07,411 INFO L273 TraceCheckUtils]: 38: Hoare triple {1752#(or (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (= (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1752#(or (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (= (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:00:07,414 INFO L273 TraceCheckUtils]: 39: Hoare triple {1752#(or (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (= (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1753#(or (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4) |sll_remove_last_#in~head.offset|))} is VALID [2018-11-23 13:00:07,415 INFO L273 TraceCheckUtils]: 40: Hoare triple {1753#(or (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4) |sll_remove_last_#in~head.offset|))} assume true; {1753#(or (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4) |sll_remove_last_#in~head.offset|))} is VALID [2018-11-23 13:00:07,417 INFO L268 TraceCheckUtils]: 41: Hoare quadruple {1753#(or (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4) |sll_remove_last_#in~head.offset|))} {1748#(and (<= |main_~#s~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} #89#return; {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} is VALID [2018-11-23 13:00:07,417 INFO L273 TraceCheckUtils]: 42: Hoare triple {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} is VALID [2018-11-23 13:00:07,417 INFO L273 TraceCheckUtils]: 43: Hoare triple {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} assume !!(~i~0 >= 0); {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} is VALID [2018-11-23 13:00:07,418 INFO L256 TraceCheckUtils]: 44: Hoare triple {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1749#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)} is VALID [2018-11-23 13:00:07,419 INFO L273 TraceCheckUtils]: 45: Hoare triple {1749#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1755#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (or (not (= 0 (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset))) (and (= |sll_remove_last_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4)) (= |sll_remove_last_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4)))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:07,421 INFO L273 TraceCheckUtils]: 46: Hoare triple {1755#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (or (not (= 0 (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset))) (and (= |sll_remove_last_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4)) (= |sll_remove_last_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) 4)))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1756#(and (or (not (= (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 sll_remove_last_~last~0.offset)))} is VALID [2018-11-23 13:00:07,423 INFO L273 TraceCheckUtils]: 47: Hoare triple {1756#(and (or (not (= (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 sll_remove_last_~last~0.offset)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1757#(and (or (not (= 0 |sll_remove_last_#t~mem10.base|)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= |sll_remove_last_#t~mem10.offset| 0))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:07,424 INFO L273 TraceCheckUtils]: 48: Hoare triple {1757#(and (or (not (= 0 |sll_remove_last_#t~mem10.base|)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= |sll_remove_last_#t~mem10.offset| 0))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1758#(and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:07,425 INFO L273 TraceCheckUtils]: 49: Hoare triple {1758#(and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1759#(not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:07,425 INFO L273 TraceCheckUtils]: 50: Hoare triple {1759#(not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} assume true; {1759#(not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:07,426 INFO L268 TraceCheckUtils]: 51: Hoare quadruple {1759#(not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} {1754#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))} #89#return; {1740#false} is VALID [2018-11-23 13:00:07,427 INFO L273 TraceCheckUtils]: 52: Hoare triple {1740#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1740#false} is VALID [2018-11-23 13:00:07,427 INFO L273 TraceCheckUtils]: 53: Hoare triple {1740#false} assume !(~i~0 >= 0); {1740#false} is VALID [2018-11-23 13:00:07,427 INFO L273 TraceCheckUtils]: 54: Hoare triple {1740#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {1740#false} is VALID [2018-11-23 13:00:07,427 INFO L273 TraceCheckUtils]: 55: Hoare triple {1740#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {1740#false} is VALID [2018-11-23 13:00:07,428 INFO L273 TraceCheckUtils]: 56: Hoare triple {1740#false} assume !false; {1740#false} is VALID [2018-11-23 13:00:07,434 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:00:07,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:07,435 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:07,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:07,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:07,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 59 [2018-11-23 13:00:07,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2018-11-23 13:00:07,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:07,901 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-11-23 13:00:07,913 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:00:07,953 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2018-11-23 13:00:07,960 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 13:00:08,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 13:00:08,094 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 55 [2018-11-23 13:00:08,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2018-11-23 13:00:08,130 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:00:08,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 25 [2018-11-23 13:00:08,167 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:08,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 35 [2018-11-23 13:00:08,211 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 13:00:08,246 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 13:00:08,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-11-23 13:00:08,328 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:113, output treesize:185 [2018-11-23 13:00:08,338 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:00:08,339 WARN L384 uantifierElimination]: Input elimination task: ∃ [v_prenex_1, |#memory_$Pointer$.base|]. (let ((.cse3 (= sll_remove_last_~snd_to_last~0.base 0)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (or (let ((.cse0 (select (select v_prenex_1 |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (let ((.cse2 (select (select v_prenex_1 .cse0) .cse1))) (and (= (select (select |#memory_$Pointer$.offset| .cse0) .cse1) |sll_remove_last_#t~mem10.offset|) (= |sll_remove_last_#t~mem10.base| .cse2) .cse3 (not (= .cse2 0))))) (let ((.cse4 (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (let ((.cse5 (select (select |#memory_$Pointer$.offset| .cse4) .cse1))) (and (= |sll_remove_last_#t~mem10.base| (select (select |#memory_$Pointer$.base| .cse4) .cse1)) (= .cse5 |sll_remove_last_#t~mem10.offset|) .cse3 (not (= .cse5 0))))))) [2018-11-23 13:00:08,339 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ [v_arrayElimCell_9, v_arrayElimCell_4, v_arrayElimCell_5, v_arrayElimCell_8]. (let ((.cse2 (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (let ((.cse4 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) .cse2))) (let ((.cse6 (not (= |sll_remove_last_#in~head.offset| .cse2))) (.cse5 (not (= |sll_remove_last_#t~mem10.base| 0))) (.cse3 (= |sll_remove_last_#t~mem10.offset| .cse4)) (.cse1 (= sll_remove_last_~snd_to_last~0.base 0))) (or (let ((.cse0 (select (select |#memory_$Pointer$.offset| v_arrayElimCell_4) .cse2))) (and (not (= v_arrayElimCell_4 |sll_remove_last_#in~head.base|)) (= |sll_remove_last_#t~mem10.offset| .cse0) (not (= .cse0 0)) .cse1)) (and .cse3 (not (= 0 .cse4)) .cse1) (and .cse5 .cse1 (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_9) .cse2)) .cse6) (let ((.cse7 (select (select |#memory_$Pointer$.offset| v_arrayElimCell_5) .cse2))) (and .cse1 (= |sll_remove_last_#t~mem10.offset| .cse7) (not (= .cse7 0)) .cse6)) (and .cse5 (not (= v_arrayElimCell_8 |sll_remove_last_#in~head.base|)) .cse1 (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_8) .cse2))) (and .cse5 .cse3 .cse1))))) [2018-11-23 13:00:08,568 INFO L256 TraceCheckUtils]: 0: Hoare triple {1739#true} call ULTIMATE.init(); {1739#true} is VALID [2018-11-23 13:00:08,569 INFO L273 TraceCheckUtils]: 1: Hoare triple {1739#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {1739#true} is VALID [2018-11-23 13:00:08,569 INFO L273 TraceCheckUtils]: 2: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:08,569 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1739#true} {1739#true} #93#return; {1739#true} is VALID [2018-11-23 13:00:08,570 INFO L256 TraceCheckUtils]: 4: Hoare triple {1739#true} call #t~ret14 := main(); {1739#true} is VALID [2018-11-23 13:00:08,571 INFO L273 TraceCheckUtils]: 5: Hoare triple {1739#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,571 INFO L256 TraceCheckUtils]: 6: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {1739#true} is VALID [2018-11-23 13:00:08,571 INFO L273 TraceCheckUtils]: 7: Hoare triple {1739#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {1739#true} is VALID [2018-11-23 13:00:08,571 INFO L273 TraceCheckUtils]: 8: Hoare triple {1739#true} assume !!(~len > 0); {1739#true} is VALID [2018-11-23 13:00:08,572 INFO L256 TraceCheckUtils]: 9: Hoare triple {1739#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1739#true} is VALID [2018-11-23 13:00:08,572 INFO L273 TraceCheckUtils]: 10: Hoare triple {1739#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1739#true} is VALID [2018-11-23 13:00:08,572 INFO L273 TraceCheckUtils]: 11: Hoare triple {1739#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1739#true} is VALID [2018-11-23 13:00:08,572 INFO L273 TraceCheckUtils]: 12: Hoare triple {1739#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1739#true} is VALID [2018-11-23 13:00:08,572 INFO L273 TraceCheckUtils]: 13: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:08,573 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {1739#true} {1739#true} #91#return; {1739#true} is VALID [2018-11-23 13:00:08,573 INFO L273 TraceCheckUtils]: 15: Hoare triple {1739#true} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1739#true} is VALID [2018-11-23 13:00:08,573 INFO L273 TraceCheckUtils]: 16: Hoare triple {1739#true} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1739#true} is VALID [2018-11-23 13:00:08,573 INFO L273 TraceCheckUtils]: 17: Hoare triple {1739#true} assume !!(~len > 0); {1739#true} is VALID [2018-11-23 13:00:08,573 INFO L256 TraceCheckUtils]: 18: Hoare triple {1739#true} call #t~ret4.base, #t~ret4.offset := node_create(~data); {1739#true} is VALID [2018-11-23 13:00:08,574 INFO L273 TraceCheckUtils]: 19: Hoare triple {1739#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {1739#true} is VALID [2018-11-23 13:00:08,574 INFO L273 TraceCheckUtils]: 20: Hoare triple {1739#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {1739#true} is VALID [2018-11-23 13:00:08,574 INFO L273 TraceCheckUtils]: 21: Hoare triple {1739#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {1739#true} is VALID [2018-11-23 13:00:08,574 INFO L273 TraceCheckUtils]: 22: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:08,575 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {1739#true} {1739#true} #91#return; {1739#true} is VALID [2018-11-23 13:00:08,575 INFO L273 TraceCheckUtils]: 24: Hoare triple {1739#true} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {1739#true} is VALID [2018-11-23 13:00:08,575 INFO L273 TraceCheckUtils]: 25: Hoare triple {1739#true} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {1739#true} is VALID [2018-11-23 13:00:08,575 INFO L273 TraceCheckUtils]: 26: Hoare triple {1739#true} assume !(~len > 0); {1739#true} is VALID [2018-11-23 13:00:08,576 INFO L273 TraceCheckUtils]: 27: Hoare triple {1739#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {1739#true} is VALID [2018-11-23 13:00:08,576 INFO L273 TraceCheckUtils]: 28: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:08,577 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {1739#true} {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} #87#return; {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,578 INFO L273 TraceCheckUtils]: 30: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,578 INFO L273 TraceCheckUtils]: 31: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} assume !!(~i~0 >= 0); {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,578 INFO L256 TraceCheckUtils]: 32: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1739#true} is VALID [2018-11-23 13:00:08,579 INFO L273 TraceCheckUtils]: 33: Hoare triple {1739#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1739#true} is VALID [2018-11-23 13:00:08,579 INFO L273 TraceCheckUtils]: 34: Hoare triple {1739#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1739#true} is VALID [2018-11-23 13:00:08,579 INFO L273 TraceCheckUtils]: 35: Hoare triple {1739#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1739#true} is VALID [2018-11-23 13:00:08,579 INFO L273 TraceCheckUtils]: 36: Hoare triple {1739#true} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {1739#true} is VALID [2018-11-23 13:00:08,579 INFO L273 TraceCheckUtils]: 37: Hoare triple {1739#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1739#true} is VALID [2018-11-23 13:00:08,579 INFO L273 TraceCheckUtils]: 38: Hoare triple {1739#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1739#true} is VALID [2018-11-23 13:00:08,580 INFO L273 TraceCheckUtils]: 39: Hoare triple {1739#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1739#true} is VALID [2018-11-23 13:00:08,580 INFO L273 TraceCheckUtils]: 40: Hoare triple {1739#true} assume true; {1739#true} is VALID [2018-11-23 13:00:08,580 INFO L268 TraceCheckUtils]: 41: Hoare quadruple {1739#true} {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} #89#return; {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,581 INFO L273 TraceCheckUtils]: 42: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,582 INFO L273 TraceCheckUtils]: 43: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} assume !!(~i~0 >= 0); {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:00:08,582 INFO L256 TraceCheckUtils]: 44: Hoare triple {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {1739#true} is VALID [2018-11-23 13:00:08,583 INFO L273 TraceCheckUtils]: 45: Hoare triple {1739#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {1899#(and (= |sll_remove_last_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) (+ (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset) 4))) (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |sll_remove_last_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) (+ (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset) 4))) (= |sll_remove_last_#in~head.offset| sll_remove_last_~head.offset))} is VALID [2018-11-23 13:00:08,584 INFO L273 TraceCheckUtils]: 46: Hoare triple {1899#(and (= |sll_remove_last_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) (+ (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset) 4))) (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |sll_remove_last_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~head.base) sll_remove_last_~head.offset)) (+ (select (select |#memory_$Pointer$.offset| sll_remove_last_~head.base) sll_remove_last_~head.offset) 4))) (= |sll_remove_last_#in~head.offset| sll_remove_last_~head.offset))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {1903#(and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0))) (= sll_remove_last_~snd_to_last~0.base 0) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset))} is VALID [2018-11-23 13:00:08,587 INFO L273 TraceCheckUtils]: 47: Hoare triple {1903#(and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0))) (= sll_remove_last_~snd_to_last~0.base 0) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {1907#(or (and (= sll_remove_last_~snd_to_last~0.base 0) (exists ((v_arrayElimCell_5 Int)) (and (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_5) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (not (= (select (select |#memory_$Pointer$.offset| v_arrayElimCell_5) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))) (not (= |sll_remove_last_#in~head.offset| (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (and (not (= |sll_remove_last_#t~mem10.base| 0)) (exists ((v_arrayElimCell_9 Int)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_9) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (= sll_remove_last_~snd_to_last~0.base 0) (not (= |sll_remove_last_#in~head.offset| (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (and (not (= |sll_remove_last_#t~mem10.base| 0)) (= sll_remove_last_~snd_to_last~0.base 0) (exists ((v_arrayElimCell_8 Int)) (and (not (= v_arrayElimCell_8 |sll_remove_last_#in~head.base|)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_8) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))))) (and (exists ((v_arrayElimCell_4 Int)) (and (not (= v_arrayElimCell_4 |sll_remove_last_#in~head.base|)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_4) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (not (= (select (select |#memory_$Pointer$.offset| v_arrayElimCell_4) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))) (= sll_remove_last_~snd_to_last~0.base 0)) (and (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (= sll_remove_last_~snd_to_last~0.base 0)) (and (not (= |sll_remove_last_#t~mem10.base| 0)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= sll_remove_last_~snd_to_last~0.base 0)))} is VALID [2018-11-23 13:00:08,589 INFO L273 TraceCheckUtils]: 48: Hoare triple {1907#(or (and (= sll_remove_last_~snd_to_last~0.base 0) (exists ((v_arrayElimCell_5 Int)) (and (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_5) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (not (= (select (select |#memory_$Pointer$.offset| v_arrayElimCell_5) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))) (not (= |sll_remove_last_#in~head.offset| (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (and (not (= |sll_remove_last_#t~mem10.base| 0)) (exists ((v_arrayElimCell_9 Int)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_9) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (= sll_remove_last_~snd_to_last~0.base 0) (not (= |sll_remove_last_#in~head.offset| (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (and (not (= |sll_remove_last_#t~mem10.base| 0)) (= sll_remove_last_~snd_to_last~0.base 0) (exists ((v_arrayElimCell_8 Int)) (and (not (= v_arrayElimCell_8 |sll_remove_last_#in~head.base|)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_8) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))))) (and (exists ((v_arrayElimCell_4 Int)) (and (not (= v_arrayElimCell_4 |sll_remove_last_#in~head.base|)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| v_arrayElimCell_4) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (not (= (select (select |#memory_$Pointer$.offset| v_arrayElimCell_4) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))) (= sll_remove_last_~snd_to_last~0.base 0)) (and (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)))) (= sll_remove_last_~snd_to_last~0.base 0)) (and (not (= |sll_remove_last_#t~mem10.base| 0)) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| |sll_remove_last_#t~mem10.base|) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= sll_remove_last_~snd_to_last~0.base 0)))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {1740#false} is VALID [2018-11-23 13:00:08,589 INFO L273 TraceCheckUtils]: 49: Hoare triple {1740#false} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {1740#false} is VALID [2018-11-23 13:00:08,590 INFO L273 TraceCheckUtils]: 50: Hoare triple {1740#false} assume true; {1740#false} is VALID [2018-11-23 13:00:08,590 INFO L268 TraceCheckUtils]: 51: Hoare quadruple {1740#false} {1778#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)))} #89#return; {1740#false} is VALID [2018-11-23 13:00:08,590 INFO L273 TraceCheckUtils]: 52: Hoare triple {1740#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {1740#false} is VALID [2018-11-23 13:00:08,590 INFO L273 TraceCheckUtils]: 53: Hoare triple {1740#false} assume !(~i~0 >= 0); {1740#false} is VALID [2018-11-23 13:00:08,590 INFO L273 TraceCheckUtils]: 54: Hoare triple {1740#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {1740#false} is VALID [2018-11-23 13:00:08,591 INFO L273 TraceCheckUtils]: 55: Hoare triple {1740#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {1740#false} is VALID [2018-11-23 13:00:08,591 INFO L273 TraceCheckUtils]: 56: Hoare triple {1740#false} assume !false; {1740#false} is VALID [2018-11-23 13:00:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 13:00:08,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:00:08,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [21] total 25 [2018-11-23 13:00:08,645 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 57 [2018-11-23 13:00:08,646 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:00:08,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2018-11-23 13:00:08,851 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:00:08,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 13:00:08,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 13:00:08,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:00:08,852 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 25 states. [2018-11-23 13:00:10,723 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2018-11-23 13:00:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:11,632 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2018-11-23 13:00:11,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 13:00:11,633 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 57 [2018-11-23 13:00:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 13:00:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 77 transitions. [2018-11-23 13:00:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 13:00:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 77 transitions. [2018-11-23 13:00:11,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 77 transitions. [2018-11-23 13:00:11,745 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:00:11,749 INFO L225 Difference]: With dead ends: 81 [2018-11-23 13:00:11,749 INFO L226 Difference]: Without dead ends: 62 [2018-11-23 13:00:11,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=148, Invalid=1258, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 13:00:11,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-23 13:00:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 46. [2018-11-23 13:00:11,822 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:00:11,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand 46 states. [2018-11-23 13:00:11,823 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 46 states. [2018-11-23 13:00:11,823 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 46 states. [2018-11-23 13:00:11,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:11,827 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-23 13:00:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-11-23 13:00:11,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:11,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:00:11,828 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 62 states. [2018-11-23 13:00:11,828 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 62 states. [2018-11-23 13:00:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:11,831 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-23 13:00:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-11-23 13:00:11,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:11,832 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:00:11,832 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:00:11,832 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:00:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 13:00:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-11-23 13:00:11,835 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 57 [2018-11-23 13:00:11,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:11,835 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-11-23 13:00:11,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 13:00:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-23 13:00:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 13:00:11,836 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:11,836 INFO L402 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:00:11,836 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:11,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:11,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1171875021, now seen corresponding path program 2 times [2018-11-23 13:00:11,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:00:11,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:00:11,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:11,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:11,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:13,453 INFO L256 TraceCheckUtils]: 0: Hoare triple {2265#true} call ULTIMATE.init(); {2265#true} is VALID [2018-11-23 13:00:13,454 INFO L273 TraceCheckUtils]: 1: Hoare triple {2265#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {2265#true} is VALID [2018-11-23 13:00:13,454 INFO L273 TraceCheckUtils]: 2: Hoare triple {2265#true} assume true; {2265#true} is VALID [2018-11-23 13:00:13,454 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2265#true} {2265#true} #93#return; {2265#true} is VALID [2018-11-23 13:00:13,454 INFO L256 TraceCheckUtils]: 4: Hoare triple {2265#true} call #t~ret14 := main(); {2265#true} is VALID [2018-11-23 13:00:13,460 INFO L273 TraceCheckUtils]: 5: Hoare triple {2265#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {2267#(= (select |#valid| |main_~#s~0.base|) 1)} is VALID [2018-11-23 13:00:13,461 INFO L256 TraceCheckUtils]: 6: Hoare triple {2267#(= (select |#valid| |main_~#s~0.base|) 1)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:13,462 INFO L273 TraceCheckUtils]: 7: Hoare triple {2268#(= |#valid| |old(#valid)|)} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:13,462 INFO L273 TraceCheckUtils]: 8: Hoare triple {2268#(= |#valid| |old(#valid)|)} assume !!(~len > 0); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:13,463 INFO L256 TraceCheckUtils]: 9: Hoare triple {2268#(= |#valid| |old(#valid)|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:13,464 INFO L273 TraceCheckUtils]: 10: Hoare triple {2268#(= |#valid| |old(#valid)|)} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,465 INFO L273 TraceCheckUtils]: 11: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,466 INFO L273 TraceCheckUtils]: 12: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,467 INFO L273 TraceCheckUtils]: 13: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} assume true; {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,469 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} {2268#(= |#valid| |old(#valid)|)} #91#return; {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,471 INFO L273 TraceCheckUtils]: 15: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,472 INFO L273 TraceCheckUtils]: 16: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,473 INFO L273 TraceCheckUtils]: 17: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} assume !!(~len > 0); {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2018-11-23 13:00:13,474 INFO L256 TraceCheckUtils]: 18: Hoare triple {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:13,475 INFO L273 TraceCheckUtils]: 19: Hoare triple {2268#(= |#valid| |old(#valid)|)} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2270#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset))} is VALID [2018-11-23 13:00:13,476 INFO L273 TraceCheckUtils]: 20: Hoare triple {2270#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2270#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset))} is VALID [2018-11-23 13:00:13,477 INFO L273 TraceCheckUtils]: 21: Hoare triple {2270#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2271#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|))} is VALID [2018-11-23 13:00:13,478 INFO L273 TraceCheckUtils]: 22: Hoare triple {2271#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|))} assume true; {2271#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|))} is VALID [2018-11-23 13:00:13,480 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {2271#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|))} {2269#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} #91#return; {2272#(and (= 0 |sll_create_#t~ret4.offset|) (= 0 (select |old(#valid)| |sll_create_#t~ret4.base|)))} is VALID [2018-11-23 13:00:13,481 INFO L273 TraceCheckUtils]: 24: Hoare triple {2272#(and (= 0 |sll_create_#t~ret4.offset|) (= 0 (select |old(#valid)| |sll_create_#t~ret4.base|)))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2273#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))} is VALID [2018-11-23 13:00:13,482 INFO L273 TraceCheckUtils]: 25: Hoare triple {2273#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2273#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))} is VALID [2018-11-23 13:00:13,483 INFO L273 TraceCheckUtils]: 26: Hoare triple {2273#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))} assume !(~len > 0); {2273#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))} is VALID [2018-11-23 13:00:13,484 INFO L273 TraceCheckUtils]: 27: Hoare triple {2273#(and (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2274#(and (= 0 (select |old(#valid)| |sll_create_#res.base|)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} is VALID [2018-11-23 13:00:13,485 INFO L273 TraceCheckUtils]: 28: Hoare triple {2274#(and (= 0 (select |old(#valid)| |sll_create_#res.base|)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} assume true; {2274#(and (= 0 (select |old(#valid)| |sll_create_#res.base|)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} is VALID [2018-11-23 13:00:13,486 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {2274#(and (= 0 (select |old(#valid)| |sll_create_#res.base|)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0))} {2267#(= (select |#valid| |main_~#s~0.base|) 1)} #87#return; {2275#(and (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (<= |main_#t~ret11.offset| 0) (<= 0 |main_#t~ret11.offset|))} is VALID [2018-11-23 13:00:13,487 INFO L273 TraceCheckUtils]: 30: Hoare triple {2275#(and (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (<= |main_#t~ret11.offset| 0) (<= 0 |main_#t~ret11.offset|))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {2276#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:00:13,488 INFO L273 TraceCheckUtils]: 31: Hoare triple {2276#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !!(~i~0 >= 0); {2276#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:00:13,490 INFO L256 TraceCheckUtils]: 32: Hoare triple {2276#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:13,491 INFO L273 TraceCheckUtils]: 33: Hoare triple {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2278#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:13,492 INFO L273 TraceCheckUtils]: 34: Hoare triple {2278#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:13,493 INFO L273 TraceCheckUtils]: 35: Hoare triple {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:13,495 INFO L273 TraceCheckUtils]: 36: Hoare triple {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2280#(or (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= sll_remove_last_~snd_to_last~0.offset 0)) (or (not (= 0 sll_remove_last_~snd_to_last~0.offset)) (and (= sll_remove_last_~snd_to_last~0.base (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#in~head.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))) (<= (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (< 0 (+ sll_remove_last_~snd_to_last~0.offset 1))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:00:13,496 INFO L273 TraceCheckUtils]: 37: Hoare triple {2280#(or (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= sll_remove_last_~snd_to_last~0.offset 0)) (or (not (= 0 sll_remove_last_~snd_to_last~0.offset)) (and (= sll_remove_last_~snd_to_last~0.base (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#in~head.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))) (<= (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (< 0 (+ sll_remove_last_~snd_to_last~0.offset 1))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2280#(or (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= sll_remove_last_~snd_to_last~0.offset 0)) (or (not (= 0 sll_remove_last_~snd_to_last~0.offset)) (and (= sll_remove_last_~snd_to_last~0.base (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#in~head.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))) (<= (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (< 0 (+ sll_remove_last_~snd_to_last~0.offset 1))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:00:13,497 INFO L273 TraceCheckUtils]: 38: Hoare triple {2280#(or (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= sll_remove_last_~snd_to_last~0.offset 0)) (or (not (= 0 sll_remove_last_~snd_to_last~0.offset)) (and (= sll_remove_last_~snd_to_last~0.base (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#in~head.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))) (<= (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (< 0 (+ sll_remove_last_~snd_to_last~0.offset 1))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2280#(or (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= sll_remove_last_~snd_to_last~0.offset 0)) (or (not (= 0 sll_remove_last_~snd_to_last~0.offset)) (and (= sll_remove_last_~snd_to_last~0.base (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#in~head.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))) (<= (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (< 0 (+ sll_remove_last_~snd_to_last~0.offset 1))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:00:13,500 INFO L273 TraceCheckUtils]: 39: Hoare triple {2280#(or (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= sll_remove_last_~snd_to_last~0.offset 0)) (or (not (= 0 sll_remove_last_~snd_to_last~0.offset)) (and (= sll_remove_last_~snd_to_last~0.base (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (not (= |sll_remove_last_#in~head.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))) (<= (select (select (store |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.offset| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (< 0 (+ sll_remove_last_~snd_to_last~0.offset 1))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2281#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (and (not (= |sll_remove_last_#in~head.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} is VALID [2018-11-23 13:00:13,500 INFO L273 TraceCheckUtils]: 40: Hoare triple {2281#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (and (not (= |sll_remove_last_#in~head.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} assume true; {2281#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (and (not (= |sll_remove_last_#in~head.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} is VALID [2018-11-23 13:00:13,503 INFO L268 TraceCheckUtils]: 41: Hoare quadruple {2281#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (and (not (= |sll_remove_last_#in~head.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} {2276#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} #89#return; {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} is VALID [2018-11-23 13:00:13,504 INFO L273 TraceCheckUtils]: 42: Hoare triple {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} is VALID [2018-11-23 13:00:13,505 INFO L273 TraceCheckUtils]: 43: Hoare triple {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} assume !!(~i~0 >= 0); {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} is VALID [2018-11-23 13:00:13,525 INFO L256 TraceCheckUtils]: 44: Hoare triple {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:13,540 INFO L273 TraceCheckUtils]: 45: Hoare triple {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2278#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:13,555 INFO L273 TraceCheckUtils]: 46: Hoare triple {2278#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2283#(and (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 sll_remove_last_~last~0.offset))) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 sll_remove_last_~last~0.offset)) (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base))} is VALID [2018-11-23 13:00:13,571 INFO L273 TraceCheckUtils]: 47: Hoare triple {2283#(and (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 sll_remove_last_~last~0.offset))) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 sll_remove_last_~last~0.offset)) (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2284#(and (or (not (= 0 sll_remove_last_~last~0.offset)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_remove_last_#t~mem10.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 sll_remove_last_~last~0.offset)) (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base))} is VALID [2018-11-23 13:00:13,573 INFO L273 TraceCheckUtils]: 48: Hoare triple {2284#(and (or (not (= 0 sll_remove_last_~last~0.offset)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_remove_last_#t~mem10.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= 0 sll_remove_last_~last~0.offset)) (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2285#(and (or (and (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 sll_remove_last_~last~0.offset)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)))) (= sll_remove_last_~snd_to_last~0.base |sll_remove_last_#in~head.base|) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base))} is VALID [2018-11-23 13:00:13,574 INFO L273 TraceCheckUtils]: 49: Hoare triple {2285#(and (or (and (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 sll_remove_last_~last~0.offset)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)))) (= sll_remove_last_~snd_to_last~0.base |sll_remove_last_#in~head.base|) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2286#(and (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (or (and (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)))) (= sll_remove_last_~snd_to_last~0.base |sll_remove_last_#in~head.base|) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} is VALID [2018-11-23 13:00:13,575 INFO L273 TraceCheckUtils]: 50: Hoare triple {2286#(and (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (or (and (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)))) (= sll_remove_last_~snd_to_last~0.base |sll_remove_last_#in~head.base|) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2286#(and (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (or (and (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)))) (= sll_remove_last_~snd_to_last~0.base |sll_remove_last_#in~head.base|) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} is VALID [2018-11-23 13:00:13,580 INFO L273 TraceCheckUtils]: 51: Hoare triple {2286#(and (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (or (and (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select (store |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base (store (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4) 0)) |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)))) (= sll_remove_last_~snd_to_last~0.base |sll_remove_last_#in~head.base|) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2287#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (and (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:13,581 INFO L273 TraceCheckUtils]: 52: Hoare triple {2287#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (and (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} assume true; {2287#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (and (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:13,583 INFO L268 TraceCheckUtils]: 53: Hoare quadruple {2287#(or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) |sll_remove_last_#in~head.base|) (and (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (and (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (<= (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 1) 0) (<= 1 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} {2282#(and (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)))} #89#return; {2266#false} is VALID [2018-11-23 13:00:13,584 INFO L273 TraceCheckUtils]: 54: Hoare triple {2266#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2266#false} is VALID [2018-11-23 13:00:13,584 INFO L273 TraceCheckUtils]: 55: Hoare triple {2266#false} assume !(~i~0 >= 0); {2266#false} is VALID [2018-11-23 13:00:13,584 INFO L273 TraceCheckUtils]: 56: Hoare triple {2266#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {2266#false} is VALID [2018-11-23 13:00:13,585 INFO L273 TraceCheckUtils]: 57: Hoare triple {2266#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {2266#false} is VALID [2018-11-23 13:00:13,585 INFO L273 TraceCheckUtils]: 58: Hoare triple {2266#false} assume !false; {2266#false} is VALID [2018-11-23 13:00:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:00:13,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:13,612 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:13,627 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 13:00:13,686 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 13:00:13,687 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 13:00:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:13,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:13,848 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 13:00:13,853 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:13,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:00:13,861 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 13:00:13,863 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:00:13,864 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#valid_25|]. (and (= |main_~#s~0.offset| 0) (= |#valid| (store |v_#valid_25| |main_~#s~0.base| 1))) [2018-11-23 13:00:13,864 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= |main_~#s~0.offset| 0) (= (select |#valid| |main_~#s~0.base|) 1)) [2018-11-23 13:00:16,532 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:00:16,534 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:00:16,535 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:00:16,536 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-23 13:00:16,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:16,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:00:16,545 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:8 [2018-11-23 13:00:16,547 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:00:16,547 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#valid_BEFORE_CALL_6|, |node_create_#t~malloc2.base|]. (and (= (select |v_#valid_BEFORE_CALL_6| |main_~#s~0.base|) 1) (= |main_~#s~0.offset| 0) (= 0 (select |v_#valid_BEFORE_CALL_6| |node_create_#t~malloc2.base|)) (= 0 (select (store |v_#valid_BEFORE_CALL_6| |node_create_#t~malloc2.base| 1) |main_#t~ret11.base|))) [2018-11-23 13:00:16,547 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (= |main_~#s~0.offset| 0)) [2018-11-23 13:00:17,567 WARN L854 $PredicateComparison]: unable to prove that (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (let ((.cse0 (select (select |c_old(#memory_$Pointer$.base)| |c_sll_remove_last_#in~head.base|) |c_sll_remove_last_#in~head.offset|)) (.cse1 (+ sll_remove_last_~snd_to_last~0.offset 4)) (.cse2 (select (select |c_old(#memory_$Pointer$.offset)| |c_sll_remove_last_#in~head.base|) |c_sll_remove_last_#in~head.offset|))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| .cse0 (store (select |c_old(#memory_$Pointer$.base)| .cse0) .cse1 0))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| .cse0 (store (select |c_old(#memory_$Pointer$.offset)| .cse0) .cse1 0))) (<= sll_remove_last_~snd_to_last~0.offset .cse2) (<= .cse2 sll_remove_last_~snd_to_last~0.offset)))) is different from true [2018-11-23 13:00:17,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 13:00:17,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-23 13:00:17,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:17,690 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:00:17,720 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-23 13:00:17,743 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-23 13:00:17,745 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 13:00:17,757 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:00:17,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:00:17,779 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:68, output treesize:52 [2018-11-23 13:00:17,786 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:00:17,787 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_old(#memory_$Pointer$.base)_AFTER_CALL_17|, |v_#memory_$Pointer$.offset_BEFORE_CALL_3|, sll_remove_last_~snd_to_last~0.offset]. (let ((.cse0 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse1 (+ sll_remove_last_~snd_to_last~0.offset 4)) (.cse2 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_3| |main_~#s~0.base|) |main_~#s~0.offset|))) (and (not (= |main_~#s~0.base| .cse0)) (= (store |v_#memory_$Pointer$.offset_BEFORE_CALL_3| .cse0 (store (select |v_#memory_$Pointer$.offset_BEFORE_CALL_3| .cse0) .cse1 0)) |#memory_$Pointer$.offset|) (<= sll_remove_last_~snd_to_last~0.offset .cse2) (= |main_~#s~0.offset| 0) (= |#memory_$Pointer$.base| (store |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse0 (store (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_17| .cse0) .cse1 0))) (<= .cse2 sll_remove_last_~snd_to_last~0.offset))) [2018-11-23 13:00:17,787 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ [sll_remove_last_~snd_to_last~0.offset]. (let ((.cse0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse2 (+ sll_remove_last_~snd_to_last~0.offset 4))) (and (<= sll_remove_last_~snd_to_last~0.offset .cse0) (<= .cse0 sll_remove_last_~snd_to_last~0.offset) (not (= .cse1 |main_~#s~0.base|)) (= |main_~#s~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| .cse1) .cse2)) (= 0 (select (select |#memory_$Pointer$.offset| .cse1) .cse2)))) [2018-11-23 13:00:18,121 INFO L256 TraceCheckUtils]: 0: Hoare triple {2265#true} call ULTIMATE.init(); {2265#true} is VALID [2018-11-23 13:00:18,122 INFO L273 TraceCheckUtils]: 1: Hoare triple {2265#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {2265#true} is VALID [2018-11-23 13:00:18,122 INFO L273 TraceCheckUtils]: 2: Hoare triple {2265#true} assume true; {2265#true} is VALID [2018-11-23 13:00:18,122 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2265#true} {2265#true} #93#return; {2265#true} is VALID [2018-11-23 13:00:18,123 INFO L256 TraceCheckUtils]: 4: Hoare triple {2265#true} call #t~ret14 := main(); {2265#true} is VALID [2018-11-23 13:00:18,124 INFO L273 TraceCheckUtils]: 5: Hoare triple {2265#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {2306#(and (= |main_~#s~0.offset| 0) (= (select |#valid| |main_~#s~0.base|) 1))} is VALID [2018-11-23 13:00:18,125 INFO L256 TraceCheckUtils]: 6: Hoare triple {2306#(and (= |main_~#s~0.offset| 0) (= (select |#valid| |main_~#s~0.base|) 1))} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:18,125 INFO L273 TraceCheckUtils]: 7: Hoare triple {2268#(= |#valid| |old(#valid)|)} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:18,126 INFO L273 TraceCheckUtils]: 8: Hoare triple {2268#(= |#valid| |old(#valid)|)} assume !!(~len > 0); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:18,127 INFO L256 TraceCheckUtils]: 9: Hoare triple {2268#(= |#valid| |old(#valid)|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:18,128 INFO L273 TraceCheckUtils]: 10: Hoare triple {2268#(= |#valid| |old(#valid)|)} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,136 INFO L273 TraceCheckUtils]: 11: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,137 INFO L273 TraceCheckUtils]: 12: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,138 INFO L273 TraceCheckUtils]: 13: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} assume true; {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,139 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} {2268#(= |#valid| |old(#valid)|)} #91#return; {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,139 INFO L273 TraceCheckUtils]: 15: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,140 INFO L273 TraceCheckUtils]: 16: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,140 INFO L273 TraceCheckUtils]: 17: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} assume !!(~len > 0); {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,141 INFO L256 TraceCheckUtils]: 18: Hoare triple {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2268#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:00:18,142 INFO L273 TraceCheckUtils]: 19: Hoare triple {2268#(= |#valid| |old(#valid)|)} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2350#(= 0 (select |old(#valid)| node_create_~temp~0.base))} is VALID [2018-11-23 13:00:18,143 INFO L273 TraceCheckUtils]: 20: Hoare triple {2350#(= 0 (select |old(#valid)| node_create_~temp~0.base))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2350#(= 0 (select |old(#valid)| node_create_~temp~0.base))} is VALID [2018-11-23 13:00:18,144 INFO L273 TraceCheckUtils]: 21: Hoare triple {2350#(= 0 (select |old(#valid)| node_create_~temp~0.base))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2357#(= 0 (select |old(#valid)| |node_create_#res.base|))} is VALID [2018-11-23 13:00:18,145 INFO L273 TraceCheckUtils]: 22: Hoare triple {2357#(= 0 (select |old(#valid)| |node_create_#res.base|))} assume true; {2357#(= 0 (select |old(#valid)| |node_create_#res.base|))} is VALID [2018-11-23 13:00:18,147 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {2357#(= 0 (select |old(#valid)| |node_create_#res.base|))} {2322#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} #91#return; {2364#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) |sll_create_#t~ret4.base|) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,149 INFO L273 TraceCheckUtils]: 24: Hoare triple {2364#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) |sll_create_#t~ret4.base|) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2368#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,150 INFO L273 TraceCheckUtils]: 25: Hoare triple {2368#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2368#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,150 INFO L273 TraceCheckUtils]: 26: Hoare triple {2368#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} assume !(~len > 0); {2368#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,152 INFO L273 TraceCheckUtils]: 27: Hoare triple {2368#(exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2378#(exists ((|node_create_#t~malloc2.base| Int)) (and (= 0 (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) |sll_create_#res.base|)) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,153 INFO L273 TraceCheckUtils]: 28: Hoare triple {2378#(exists ((|node_create_#t~malloc2.base| Int)) (and (= 0 (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) |sll_create_#res.base|)) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} assume true; {2378#(exists ((|node_create_#t~malloc2.base| Int)) (and (= 0 (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) |sll_create_#res.base|)) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} is VALID [2018-11-23 13:00:18,154 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {2378#(exists ((|node_create_#t~malloc2.base| Int)) (and (= 0 (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) |sll_create_#res.base|)) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0)))} {2306#(and (= |main_~#s~0.offset| 0) (= (select |#valid| |main_~#s~0.base|) 1))} #87#return; {2385#(and (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:18,155 INFO L273 TraceCheckUtils]: 30: Hoare triple {2385#(and (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (= |main_~#s~0.offset| 0))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {2389#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:18,156 INFO L273 TraceCheckUtils]: 31: Hoare triple {2389#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= |main_~#s~0.offset| 0))} assume !!(~i~0 >= 0); {2389#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:18,157 INFO L256 TraceCheckUtils]: 32: Hoare triple {2389#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= |main_~#s~0.offset| 0))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:18,157 INFO L273 TraceCheckUtils]: 33: Hoare triple {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2278#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:18,159 INFO L273 TraceCheckUtils]: 34: Hoare triple {2278#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:18,160 INFO L273 TraceCheckUtils]: 35: Hoare triple {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} is VALID [2018-11-23 13:00:18,162 INFO L273 TraceCheckUtils]: 36: Hoare triple {2279#(and (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2408#(and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:18,163 INFO L273 TraceCheckUtils]: 37: Hoare triple {2408#(and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2408#(and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:18,164 INFO L273 TraceCheckUtils]: 38: Hoare triple {2408#(and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2408#(and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:18,166 INFO L273 TraceCheckUtils]: 39: Hoare triple {2408#(and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2418#(exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (<= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset)))} is VALID [2018-11-23 13:00:18,175 INFO L273 TraceCheckUtils]: 40: Hoare triple {2418#(exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (<= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset)))} assume true; {2418#(exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (<= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset)))} is VALID [2018-11-23 13:00:18,178 INFO L268 TraceCheckUtils]: 41: Hoare quadruple {2418#(exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) (store (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4) 0))) (<= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (<= (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~snd_to_last~0.offset)))} {2389#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= |main_~#s~0.offset| 0))} #89#return; {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:18,180 INFO L273 TraceCheckUtils]: 42: Hoare triple {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:18,182 INFO L273 TraceCheckUtils]: 43: Hoare triple {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} assume !!(~i~0 >= 0); {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} is VALID [2018-11-23 13:00:18,184 INFO L256 TraceCheckUtils]: 44: Hoare triple {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:00:18,185 INFO L273 TraceCheckUtils]: 45: Hoare triple {2277#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2438#(and (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) |sll_remove_last_#t~mem6.offset|) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) |sll_remove_last_#t~mem6.base|))} is VALID [2018-11-23 13:00:18,187 INFO L273 TraceCheckUtils]: 46: Hoare triple {2438#(and (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) |sll_remove_last_#t~mem6.offset|) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) |sll_remove_last_#t~mem6.base|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,187 INFO L273 TraceCheckUtils]: 47: Hoare triple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,188 INFO L273 TraceCheckUtils]: 48: Hoare triple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,189 INFO L273 TraceCheckUtils]: 49: Hoare triple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,189 INFO L273 TraceCheckUtils]: 50: Hoare triple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,190 INFO L273 TraceCheckUtils]: 51: Hoare triple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,191 INFO L273 TraceCheckUtils]: 52: Hoare triple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} assume true; {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} is VALID [2018-11-23 13:00:18,193 INFO L268 TraceCheckUtils]: 53: Hoare quadruple {2442#(or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)) (not (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 0)))} {2425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (exists ((sll_remove_last_~snd_to_last~0.offset Int)) (and (<= sll_remove_last_~snd_to_last~0.offset (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) sll_remove_last_~snd_to_last~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (+ sll_remove_last_~snd_to_last~0.offset 4))))) (= |main_~#s~0.offset| 0))} #89#return; {2266#false} is VALID [2018-11-23 13:00:18,194 INFO L273 TraceCheckUtils]: 54: Hoare triple {2266#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2266#false} is VALID [2018-11-23 13:00:18,194 INFO L273 TraceCheckUtils]: 55: Hoare triple {2266#false} assume !(~i~0 >= 0); {2266#false} is VALID [2018-11-23 13:00:18,195 INFO L273 TraceCheckUtils]: 56: Hoare triple {2266#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {2266#false} is VALID [2018-11-23 13:00:18,195 INFO L273 TraceCheckUtils]: 57: Hoare triple {2266#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {2266#false} is VALID [2018-11-23 13:00:18,195 INFO L273 TraceCheckUtils]: 58: Hoare triple {2266#false} assume !false; {2266#false} is VALID [2018-11-23 13:00:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 2 not checked. [2018-11-23 13:00:18,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:00:18,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 37 [2018-11-23 13:00:18,232 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 59 [2018-11-23 13:00:18,232 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:00:18,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states. [2018-11-23 13:00:18,580 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:00:18,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-11-23 13:00:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-11-23 13:00:18,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1171, Unknown=6, NotChecked=68, Total=1332 [2018-11-23 13:00:18,582 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 37 states. [2018-11-23 13:00:23,766 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 13:00:28,881 WARN L180 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-23 13:00:32,333 WARN L180 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-23 13:00:34,786 WARN L180 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-23 13:00:36,664 WARN L180 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-23 13:01:04,342 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2018-11-23 13:01:05,475 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-11-23 13:01:10,984 WARN L180 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-23 13:01:26,534 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2018-11-23 13:01:35,780 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2018-11-23 13:01:58,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:01:58,385 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2018-11-23 13:01:58,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 13:01:58,385 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 59 [2018-11-23 13:01:58,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:01:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 13:01:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 102 transitions. [2018-11-23 13:01:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 13:01:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 102 transitions. [2018-11-23 13:01:58,391 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 102 transitions. [2018-11-23 13:01:58,567 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:01:58,570 INFO L225 Difference]: With dead ends: 96 [2018-11-23 13:01:58,571 INFO L226 Difference]: Without dead ends: 63 [2018-11-23 13:01:58,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=324, Invalid=3451, Unknown=11, NotChecked=120, Total=3906 [2018-11-23 13:01:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-23 13:01:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2018-11-23 13:01:58,701 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:01:58,701 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 61 states. [2018-11-23 13:01:58,702 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 61 states. [2018-11-23 13:01:58,702 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 61 states. [2018-11-23 13:01:58,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:01:58,705 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2018-11-23 13:01:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2018-11-23 13:01:58,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:01:58,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:01:58,706 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 63 states. [2018-11-23 13:01:58,706 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 63 states. [2018-11-23 13:01:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:01:58,709 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2018-11-23 13:01:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2018-11-23 13:01:58,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:01:58,710 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:01:58,710 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:01:58,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:01:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-23 13:01:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2018-11-23 13:01:58,712 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 59 [2018-11-23 13:01:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:01:58,712 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2018-11-23 13:01:58,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-11-23 13:01:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2018-11-23 13:01:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 13:01:58,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:01:58,713 INFO L402 BasicCegarLoop]: trace histogram [5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:01:58,713 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:01:58,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:01:58,714 INFO L82 PathProgramCache]: Analyzing trace with hash -766360680, now seen corresponding path program 3 times [2018-11-23 13:01:58,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:01:58,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:01:58,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:01:58,715 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:01:58,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:01:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:02:00,029 INFO L256 TraceCheckUtils]: 0: Hoare triple {2879#true} call ULTIMATE.init(); {2879#true} is VALID [2018-11-23 13:02:00,030 INFO L273 TraceCheckUtils]: 1: Hoare triple {2879#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {2879#true} is VALID [2018-11-23 13:02:00,030 INFO L273 TraceCheckUtils]: 2: Hoare triple {2879#true} assume true; {2879#true} is VALID [2018-11-23 13:02:00,030 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2879#true} {2879#true} #93#return; {2879#true} is VALID [2018-11-23 13:02:00,030 INFO L256 TraceCheckUtils]: 4: Hoare triple {2879#true} call #t~ret14 := main(); {2879#true} is VALID [2018-11-23 13:02:00,030 INFO L273 TraceCheckUtils]: 5: Hoare triple {2879#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {2879#true} is VALID [2018-11-23 13:02:00,030 INFO L256 TraceCheckUtils]: 6: Hoare triple {2879#true} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {2879#true} is VALID [2018-11-23 13:02:00,031 INFO L273 TraceCheckUtils]: 7: Hoare triple {2879#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {2881#(and (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,031 INFO L273 TraceCheckUtils]: 8: Hoare triple {2881#(and (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} assume !!(~len > 0); {2881#(and (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,031 INFO L256 TraceCheckUtils]: 9: Hoare triple {2881#(and (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2879#true} is VALID [2018-11-23 13:02:00,032 INFO L273 TraceCheckUtils]: 10: Hoare triple {2879#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2882#(and (= (select |#valid| node_create_~temp~0.base) 1) (= 0 node_create_~temp~0.offset))} is VALID [2018-11-23 13:02:00,033 INFO L273 TraceCheckUtils]: 11: Hoare triple {2882#(and (= (select |#valid| node_create_~temp~0.base) 1) (= 0 node_create_~temp~0.offset))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2882#(and (= (select |#valid| node_create_~temp~0.base) 1) (= 0 node_create_~temp~0.offset))} is VALID [2018-11-23 13:02:00,034 INFO L273 TraceCheckUtils]: 12: Hoare triple {2882#(and (= (select |#valid| node_create_~temp~0.base) 1) (= 0 node_create_~temp~0.offset))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2883#(and (= (select |#valid| |node_create_#res.base|) 1) (= 0 |node_create_#res.offset|))} is VALID [2018-11-23 13:02:00,050 INFO L273 TraceCheckUtils]: 13: Hoare triple {2883#(and (= (select |#valid| |node_create_#res.base|) 1) (= 0 |node_create_#res.offset|))} assume true; {2883#(and (= (select |#valid| |node_create_#res.base|) 1) (= 0 |node_create_#res.offset|))} is VALID [2018-11-23 13:02:00,051 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {2883#(and (= (select |#valid| |node_create_#res.base|) 1) (= 0 |node_create_#res.offset|))} {2881#(and (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} #91#return; {2884#(and (= 0 |sll_create_#t~ret4.offset|) (= (select |#valid| |sll_create_#t~ret4.base|) 1) (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,053 INFO L273 TraceCheckUtils]: 15: Hoare triple {2884#(and (= 0 |sll_create_#t~ret4.offset|) (= (select |#valid| |sll_create_#t~ret4.base|) 1) (= 0 sll_create_~head~0.base) (= 0 sll_create_~head~0.offset))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,053 INFO L273 TraceCheckUtils]: 16: Hoare triple {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,054 INFO L273 TraceCheckUtils]: 17: Hoare triple {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} assume !!(~len > 0); {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,055 INFO L256 TraceCheckUtils]: 18: Hoare triple {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2886#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:00,055 INFO L273 TraceCheckUtils]: 19: Hoare triple {2886#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:00,056 INFO L273 TraceCheckUtils]: 20: Hoare triple {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:00,058 INFO L273 TraceCheckUtils]: 21: Hoare triple {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2888#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (= (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) |#memory_$Pointer$.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |node_create_#res.base|)) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |node_create_#res.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)))} is VALID [2018-11-23 13:02:00,060 INFO L273 TraceCheckUtils]: 22: Hoare triple {2888#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (= (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) |#memory_$Pointer$.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |node_create_#res.base|)) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |node_create_#res.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)))} assume true; {2888#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (= (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) |#memory_$Pointer$.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |node_create_#res.base|)) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |node_create_#res.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)))} is VALID [2018-11-23 13:02:00,063 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {2888#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= 0 |node_create_#res.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))) (= (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) |#memory_$Pointer$.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |node_create_#res.base|)) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |node_create_#res.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)))} {2885#(and (= (select |#valid| sll_create_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} #91#return; {2889#(and (not (= sll_create_~head~0.base |sll_create_#t~ret4.base|)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 |sll_create_#t~ret4.offset|) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:00,064 INFO L273 TraceCheckUtils]: 24: Hoare triple {2889#(and (not (= sll_create_~head~0.base |sll_create_#t~ret4.base|)) (= 0 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (= 0 |sll_create_#t~ret4.offset|) (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2890#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (<= 0 sll_create_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (<= sll_create_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} is VALID [2018-11-23 13:02:00,065 INFO L273 TraceCheckUtils]: 25: Hoare triple {2890#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (<= 0 sll_create_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (<= sll_create_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2890#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (<= 0 sll_create_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (<= sll_create_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} is VALID [2018-11-23 13:02:00,065 INFO L273 TraceCheckUtils]: 26: Hoare triple {2890#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (<= 0 sll_create_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (<= sll_create_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} assume !(~len > 0); {2890#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (<= 0 sll_create_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (<= sll_create_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} is VALID [2018-11-23 13:02:00,067 INFO L273 TraceCheckUtils]: 27: Hoare triple {2890#(and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4)) (<= 0 sll_create_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (<= sll_create_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2891#(and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)))} is VALID [2018-11-23 13:02:00,068 INFO L273 TraceCheckUtils]: 28: Hoare triple {2891#(and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)))} assume true; {2891#(and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)))} is VALID [2018-11-23 13:02:00,070 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {2891#(and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4)) (<= 0 |sll_create_#res.offset|) (<= |sll_create_#res.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4)))} {2879#true} #87#return; {2892#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~ret11.base|) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4)) (= 0 |main_#t~ret11.offset|))} is VALID [2018-11-23 13:02:00,071 INFO L273 TraceCheckUtils]: 30: Hoare triple {2892#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~ret11.base|) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4)) (= 0 |main_#t~ret11.offset|))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {2893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:02:00,072 INFO L273 TraceCheckUtils]: 31: Hoare triple {2893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} assume !!(~i~0 >= 0); {2893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} is VALID [2018-11-23 13:02:00,073 INFO L256 TraceCheckUtils]: 32: Hoare triple {2893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2894#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:00,074 INFO L273 TraceCheckUtils]: 33: Hoare triple {2894#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2895#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:00,075 INFO L273 TraceCheckUtils]: 34: Hoare triple {2895#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2896#(and (or (and (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 sll_remove_last_~last~0.offset))))} is VALID [2018-11-23 13:02:00,076 INFO L273 TraceCheckUtils]: 35: Hoare triple {2896#(and (or (and (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 sll_remove_last_~last~0.offset))))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2896#(and (or (and (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 sll_remove_last_~last~0.offset))))} is VALID [2018-11-23 13:02:00,078 INFO L273 TraceCheckUtils]: 36: Hoare triple {2896#(and (or (and (= sll_remove_last_~last~0.offset (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 0 sll_remove_last_~last~0.offset))))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2897#(or (and (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (select |old(#memory_$Pointer$.offset)| sll_remove_last_~last~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:02:00,080 INFO L273 TraceCheckUtils]: 37: Hoare triple {2897#(or (and (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (= (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (select |old(#memory_$Pointer$.offset)| sll_remove_last_~last~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2898#(or (and (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (or (and (= (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (select |old(#memory_$Pointer$.offset)| sll_remove_last_~last~0.base)) (= |sll_remove_last_#t~mem10.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)))) (not (= 0 sll_remove_last_~last~0.offset))) (or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:02:00,081 INFO L273 TraceCheckUtils]: 38: Hoare triple {2898#(or (and (= sll_remove_last_~last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) (or (and (= (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (select |old(#memory_$Pointer$.offset)| sll_remove_last_~last~0.base)) (= |sll_remove_last_#t~mem10.base| (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))) (= |sll_remove_last_#t~mem10.offset| (select (select |#memory_$Pointer$.offset| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)))) (not (= 0 sll_remove_last_~last~0.offset))) (or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) sll_remove_last_~last~0.offset) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 sll_remove_last_~last~0.offset)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2899#(or (and (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (and (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~snd_to_last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:02:00,082 INFO L273 TraceCheckUtils]: 39: Hoare triple {2899#(or (and (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (and (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~snd_to_last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2899#(or (and (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (and (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~snd_to_last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:02:00,083 INFO L273 TraceCheckUtils]: 40: Hoare triple {2899#(or (and (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (and (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~snd_to_last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2899#(or (and (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (and (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~snd_to_last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} is VALID [2018-11-23 13:02:00,085 INFO L273 TraceCheckUtils]: 41: Hoare triple {2899#(or (and (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (and (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~snd_to_last~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2900#(or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))))} is VALID [2018-11-23 13:02:00,085 INFO L273 TraceCheckUtils]: 42: Hoare triple {2900#(or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))))} assume true; {2900#(or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))))} is VALID [2018-11-23 13:02:00,087 INFO L268 TraceCheckUtils]: 43: Hoare quadruple {2900#(or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) 4)) 4))))} {2893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)))} #89#return; {2880#false} is VALID [2018-11-23 13:02:00,088 INFO L273 TraceCheckUtils]: 44: Hoare triple {2880#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2880#false} is VALID [2018-11-23 13:02:00,088 INFO L273 TraceCheckUtils]: 45: Hoare triple {2880#false} assume !!(~i~0 >= 0); {2880#false} is VALID [2018-11-23 13:02:00,088 INFO L256 TraceCheckUtils]: 46: Hoare triple {2880#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2879#true} is VALID [2018-11-23 13:02:00,088 INFO L273 TraceCheckUtils]: 47: Hoare triple {2879#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2879#true} is VALID [2018-11-23 13:02:00,089 INFO L273 TraceCheckUtils]: 48: Hoare triple {2879#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2879#true} is VALID [2018-11-23 13:02:00,089 INFO L273 TraceCheckUtils]: 49: Hoare triple {2879#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2879#true} is VALID [2018-11-23 13:02:00,089 INFO L273 TraceCheckUtils]: 50: Hoare triple {2879#true} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2879#true} is VALID [2018-11-23 13:02:00,089 INFO L273 TraceCheckUtils]: 51: Hoare triple {2879#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2879#true} is VALID [2018-11-23 13:02:00,089 INFO L273 TraceCheckUtils]: 52: Hoare triple {2879#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2879#true} is VALID [2018-11-23 13:02:00,090 INFO L273 TraceCheckUtils]: 53: Hoare triple {2879#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2879#true} is VALID [2018-11-23 13:02:00,090 INFO L273 TraceCheckUtils]: 54: Hoare triple {2879#true} assume true; {2879#true} is VALID [2018-11-23 13:02:00,090 INFO L268 TraceCheckUtils]: 55: Hoare quadruple {2879#true} {2880#false} #89#return; {2880#false} is VALID [2018-11-23 13:02:00,090 INFO L273 TraceCheckUtils]: 56: Hoare triple {2880#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2880#false} is VALID [2018-11-23 13:02:00,090 INFO L273 TraceCheckUtils]: 57: Hoare triple {2880#false} assume !(~i~0 >= 0); {2880#false} is VALID [2018-11-23 13:02:00,091 INFO L273 TraceCheckUtils]: 58: Hoare triple {2880#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {2880#false} is VALID [2018-11-23 13:02:00,091 INFO L273 TraceCheckUtils]: 59: Hoare triple {2880#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {2880#false} is VALID [2018-11-23 13:02:00,091 INFO L273 TraceCheckUtils]: 60: Hoare triple {2880#false} assume !false; {2880#false} is VALID [2018-11-23 13:02:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:02:00,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:02:00,104 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:02:00,112 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 13:02:00,327 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-23 13:02:00,327 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 13:02:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:02:00,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:02:00,390 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 13:02:00,393 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,404 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:13 [2018-11-23 13:02:00,406 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:02:00,406 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#valid_28|]. (and (= |#valid| (store |v_#valid_28| |main_~#s~0.base| 1)) (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0))) [2018-11-23 13:02:00,406 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select |#valid| |main_~#s~0.base|) 1)) [2018-11-23 13:02:00,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 13:02:00,681 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 13:02:00,683 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 13:02:00,704 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 13:02:00,705 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,708 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:00,720 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:37, output treesize:29 [2018-11-23 13:02:00,975 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:00,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-11-23 13:02:00,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-11-23 13:02:00,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-11-23 13:02:00,997 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,000 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,033 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:01,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-11-23 13:02:01,044 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-11-23 13:02:01,050 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-11-23 13:02:01,051 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,053 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,061 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:01,080 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:70, output treesize:48 [2018-11-23 13:02:03,231 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 13:02:03,231 WARN L384 uantifierElimination]: Input elimination task: ∃ [|v_#memory_$Pointer$.base_BEFORE_CALL_8|, |v_old(#memory_$Pointer$.offset)_AFTER_CALL_20|]. (and (= (store |v_#memory_$Pointer$.base_BEFORE_CALL_8| |sll_create_#t~ret4.base| (store (store (select |v_#memory_$Pointer$.base_BEFORE_CALL_8| |sll_create_#t~ret4.base|) 4 0) 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 0))) |#memory_$Pointer$.base|) (= (store |v_old(#memory_$Pointer$.offset)_AFTER_CALL_20| |sll_create_#t~ret4.base| (store (store (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_20| |sll_create_#t~ret4.base|) 4 0) 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 0))) |#memory_$Pointer$.offset|) (= 0 |sll_create_#t~ret4.offset|) (= 0 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_8| sll_create_~head~0.base) 4)) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_20| sll_create_~head~0.base) 4)) (= 0 sll_create_~head~0.offset) (= 0 (select (store |old(#valid)| sll_create_~head~0.base 1) |sll_create_#t~ret4.base|))) [2018-11-23 13:02:03,231 WARN L385 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= 0 |sll_create_#t~ret4.offset|) (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= 0 (select (store |old(#valid)| sll_create_~head~0.base 1) |sll_create_#t~ret4.base|)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0)) [2018-11-23 13:02:03,348 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:03,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-11-23 13:02:03,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-11-23 13:02:03,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:03,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:03,396 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:03,399 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:02:03,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2018-11-23 13:02:03,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-11-23 13:02:03,408 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:03,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:03,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:03,435 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:54 [2018-11-23 13:02:04,202 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:04,203 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:04,204 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:02:04,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-11-23 13:02:04,208 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:04,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:04,229 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:60 [2018-11-23 13:02:04,918 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-23 13:02:04,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:02:04,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:02:04,926 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:371, output treesize:1 [2018-11-23 13:02:04,942 INFO L256 TraceCheckUtils]: 0: Hoare triple {2879#true} call ULTIMATE.init(); {2879#true} is VALID [2018-11-23 13:02:04,943 INFO L273 TraceCheckUtils]: 1: Hoare triple {2879#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {2879#true} is VALID [2018-11-23 13:02:04,943 INFO L273 TraceCheckUtils]: 2: Hoare triple {2879#true} assume true; {2879#true} is VALID [2018-11-23 13:02:04,943 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2879#true} {2879#true} #93#return; {2879#true} is VALID [2018-11-23 13:02:04,943 INFO L256 TraceCheckUtils]: 4: Hoare triple {2879#true} call #t~ret14 := main(); {2879#true} is VALID [2018-11-23 13:02:04,944 INFO L273 TraceCheckUtils]: 5: Hoare triple {2879#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {2919#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select |#valid| |main_~#s~0.base|) 1))} is VALID [2018-11-23 13:02:04,946 INFO L256 TraceCheckUtils]: 6: Hoare triple {2919#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select |#valid| |main_~#s~0.base|) 1))} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {2923#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:02:04,946 INFO L273 TraceCheckUtils]: 7: Hoare triple {2923#(= |#valid| |old(#valid)|)} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {2927#(and (= sll_create_~head~0.base 0) (= |#valid| |old(#valid)|) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:04,947 INFO L273 TraceCheckUtils]: 8: Hoare triple {2927#(and (= sll_create_~head~0.base 0) (= |#valid| |old(#valid)|) (= 0 sll_create_~head~0.offset))} assume !!(~len > 0); {2927#(and (= sll_create_~head~0.base 0) (= |#valid| |old(#valid)|) (= 0 sll_create_~head~0.offset))} is VALID [2018-11-23 13:02:04,948 INFO L256 TraceCheckUtils]: 9: Hoare triple {2927#(and (= sll_create_~head~0.base 0) (= |#valid| |old(#valid)|) (= 0 sll_create_~head~0.offset))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2923#(= |#valid| |old(#valid)|)} is VALID [2018-11-23 13:02:04,949 INFO L273 TraceCheckUtils]: 10: Hoare triple {2923#(= |#valid| |old(#valid)|)} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2937#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= node_create_~temp~0.offset 0) (= |#valid| (store |old(#valid)| node_create_~temp~0.base 1)))} is VALID [2018-11-23 13:02:04,950 INFO L273 TraceCheckUtils]: 11: Hoare triple {2937#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= node_create_~temp~0.offset 0) (= |#valid| (store |old(#valid)| node_create_~temp~0.base 1)))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2937#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= node_create_~temp~0.offset 0) (= |#valid| (store |old(#valid)| node_create_~temp~0.base 1)))} is VALID [2018-11-23 13:02:04,951 INFO L273 TraceCheckUtils]: 12: Hoare triple {2937#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= node_create_~temp~0.offset 0) (= |#valid| (store |old(#valid)| node_create_~temp~0.base 1)))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2944#(and (= |#valid| (store |old(#valid)| |node_create_#res.base| 1)) (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0))} is VALID [2018-11-23 13:02:04,952 INFO L273 TraceCheckUtils]: 13: Hoare triple {2944#(and (= |#valid| (store |old(#valid)| |node_create_#res.base| 1)) (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0))} assume true; {2944#(and (= |#valid| (store |old(#valid)| |node_create_#res.base| 1)) (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0))} is VALID [2018-11-23 13:02:04,953 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {2944#(and (= |#valid| (store |old(#valid)| |node_create_#res.base| 1)) (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0))} {2927#(and (= sll_create_~head~0.base 0) (= |#valid| |old(#valid)|) (= 0 sll_create_~head~0.offset))} #91#return; {2951#(and (= sll_create_~head~0.base 0) (= 0 |sll_create_#t~ret4.offset|) (= (select |old(#valid)| |sll_create_#t~ret4.base|) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| |sll_create_#t~ret4.base| 1)))} is VALID [2018-11-23 13:02:04,955 INFO L273 TraceCheckUtils]: 15: Hoare triple {2951#(and (= sll_create_~head~0.base 0) (= 0 |sll_create_#t~ret4.offset|) (= (select |old(#valid)| |sll_create_#t~ret4.base|) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| |sll_create_#t~ret4.base| 1)))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} is VALID [2018-11-23 13:02:04,956 INFO L273 TraceCheckUtils]: 16: Hoare triple {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} is VALID [2018-11-23 13:02:04,957 INFO L273 TraceCheckUtils]: 17: Hoare triple {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} assume !!(~len > 0); {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} is VALID [2018-11-23 13:02:04,958 INFO L256 TraceCheckUtils]: 18: Hoare triple {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} call #t~ret4.base, #t~ret4.offset := node_create(~data); {2886#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:04,959 INFO L273 TraceCheckUtils]: 19: Hoare triple {2886#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:04,960 INFO L273 TraceCheckUtils]: 20: Hoare triple {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:04,962 INFO L273 TraceCheckUtils]: 21: Hoare triple {2887#(and (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 node_create_~temp~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {2974#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0) (= (store |old(#memory_$Pointer$.offset)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.offset)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.offset| |node_create_#res.base|) |node_create_#res.offset|))) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.base)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.base| |node_create_#res.base|) |node_create_#res.offset|)))))} is VALID [2018-11-23 13:02:04,963 INFO L273 TraceCheckUtils]: 22: Hoare triple {2974#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0) (= (store |old(#memory_$Pointer$.offset)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.offset)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.offset| |node_create_#res.base|) |node_create_#res.offset|))) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.base)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.base| |node_create_#res.base|) |node_create_#res.offset|)))))} assume true; {2974#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0) (= (store |old(#memory_$Pointer$.offset)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.offset)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.offset| |node_create_#res.base|) |node_create_#res.offset|))) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.base)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.base| |node_create_#res.base|) |node_create_#res.offset|)))))} is VALID [2018-11-23 13:02:04,966 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {2974#(and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= |node_create_#res.offset| 0) (= (store |old(#memory_$Pointer$.offset)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.offset)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.offset| |node_create_#res.base|) |node_create_#res.offset|))) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res.base| (store (store (select |old(#memory_$Pointer$.base)| |node_create_#res.base|) (+ |node_create_#res.offset| 4) 0) |node_create_#res.offset| (select (select |#memory_$Pointer$.base| |node_create_#res.base|) |node_create_#res.offset|)))))} {2955#(and (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))} #91#return; {2981#(and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= 0 |sll_create_#t~ret4.offset|) (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (store |old(#valid)| sll_create_~head~0.base 1) |sll_create_#t~ret4.base|)))} is VALID [2018-11-23 13:02:04,968 INFO L273 TraceCheckUtils]: 24: Hoare triple {2981#(and (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= 0 |sll_create_#t~ret4.offset|) (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |old(#valid)| sll_create_~head~0.base) 0) (= 0 sll_create_~head~0.offset) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (store |old(#valid)| sll_create_~head~0.base 1) |sll_create_#t~ret4.base|)))} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {2985#(and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (= 0 sll_create_~head~0.offset) (= (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 1) sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} is VALID [2018-11-23 13:02:04,970 INFO L273 TraceCheckUtils]: 25: Hoare triple {2985#(and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (= 0 sll_create_~head~0.offset) (= (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 1) sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {2985#(and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (= 0 sll_create_~head~0.offset) (= (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 1) sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} is VALID [2018-11-23 13:02:04,971 INFO L273 TraceCheckUtils]: 26: Hoare triple {2985#(and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (= 0 sll_create_~head~0.offset) (= (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 1) sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} assume !(~len > 0); {2985#(and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (= 0 sll_create_~head~0.offset) (= (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 1) sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} is VALID [2018-11-23 13:02:04,972 INFO L273 TraceCheckUtils]: 27: Hoare triple {2985#(and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)) (= 0 sll_create_~head~0.offset) (= (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 1) sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) 4)))} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {2995#(and (= (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4) 0) (= |sll_create_#res.offset| 0) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4))) (= 0 (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4) 1) |sll_create_#res.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0))} is VALID [2018-11-23 13:02:04,973 INFO L273 TraceCheckUtils]: 28: Hoare triple {2995#(and (= (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4) 0) (= |sll_create_#res.offset| 0) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4))) (= 0 (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4) 1) |sll_create_#res.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0))} assume true; {2995#(and (= (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4) 0) (= |sll_create_#res.offset| 0) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4))) (= 0 (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4) 1) |sll_create_#res.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0))} is VALID [2018-11-23 13:02:04,976 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {2995#(and (= (select (select |#memory_$Pointer$.offset| |sll_create_#res.base|) 4) 0) (= |sll_create_#res.offset| 0) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4))) (= 0 (select (store |old(#valid)| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4) 1) |sll_create_#res.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4)) 4) 0))} {2919#(and (= |main_~#s~0.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select |#valid| |main_~#s~0.base|) 1))} #87#return; {3002#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4) 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~ret11.base|) 4)) (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4)) (= |main_~#s~0.offset| 0) (not (= |main_#t~ret11.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4))) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4))) (= |main_#t~ret11.offset| 0) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:02:04,977 INFO L273 TraceCheckUtils]: 30: Hoare triple {3002#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4) 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~ret11.base|) 4)) (not (= |main_~#s~0.base| |main_#t~ret11.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4)) 4)) (= |main_~#s~0.offset| 0) (not (= |main_#t~ret11.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4))) (not (= |main_~#s~0.base| (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4))) (= |main_#t~ret11.offset| 0) (not (= |main_~#s~0.base| 0)))} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {3006#(and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) |main_~#s~0.base|)) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:02:04,979 INFO L273 TraceCheckUtils]: 31: Hoare triple {3006#(and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) |main_~#s~0.base|)) (not (= |main_~#s~0.base| 0)))} assume !!(~i~0 >= 0); {3006#(and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) |main_~#s~0.base|)) (not (= |main_~#s~0.base| 0)))} is VALID [2018-11-23 13:02:04,980 INFO L256 TraceCheckUtils]: 32: Hoare triple {3006#(and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) |main_~#s~0.base|)) (not (= |main_~#s~0.base| 0)))} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2894#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:04,981 INFO L273 TraceCheckUtils]: 33: Hoare triple {2894#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2895#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:04,982 INFO L273 TraceCheckUtils]: 34: Hoare triple {2895#(and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= sll_remove_last_~head.offset |sll_remove_last_#in~head.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {3019#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset))} is VALID [2018-11-23 13:02:04,983 INFO L273 TraceCheckUtils]: 35: Hoare triple {3019#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3019#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset))} is VALID [2018-11-23 13:02:04,984 INFO L273 TraceCheckUtils]: 36: Hoare triple {3019#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) sll_remove_last_~last~0.offset))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {3026#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~last~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2018-11-23 13:02:04,986 INFO L273 TraceCheckUtils]: 37: Hoare triple {3026#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~last~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~last~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3030#(and (= (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)) |sll_remove_last_#t~mem10.base|) (= sll_remove_last_~last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~last~0.base) (= |sll_remove_last_#t~mem10.offset| (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))))} is VALID [2018-11-23 13:02:04,988 INFO L273 TraceCheckUtils]: 38: Hoare triple {3030#(and (= (select (select |#memory_$Pointer$.base| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4)) |sll_remove_last_#t~mem10.base|) (= sll_remove_last_~last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~last~0.base) (= |sll_remove_last_#t~mem10.offset| (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~last~0.base) (+ sll_remove_last_~last~0.offset 4))))} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {3034#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~snd_to_last~0.base) (= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4))))))} is VALID [2018-11-23 13:02:04,989 INFO L273 TraceCheckUtils]: 39: Hoare triple {3034#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~snd_to_last~0.base) (= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4))))))} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3034#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~snd_to_last~0.base) (= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4))))))} is VALID [2018-11-23 13:02:04,990 INFO L273 TraceCheckUtils]: 40: Hoare triple {3034#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~snd_to_last~0.base) (= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4))))))} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {3034#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~snd_to_last~0.base) (= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4))))))} is VALID [2018-11-23 13:02:04,992 INFO L273 TraceCheckUtils]: 41: Hoare triple {3034#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) sll_remove_last_~snd_to_last~0.base) (= sll_remove_last_~snd_to_last~0.offset (select (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select (select |#memory_$Pointer$.base| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| sll_remove_last_~snd_to_last~0.base) (+ sll_remove_last_~snd_to_last~0.offset 4))))))} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {3044#(and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4) 0))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4))))))} is VALID [2018-11-23 13:02:04,993 INFO L273 TraceCheckUtils]: 42: Hoare triple {3044#(and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4) 0))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4))))))} assume true; {3044#(and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4) 0))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4))))))} is VALID [2018-11-23 13:02:04,996 INFO L268 TraceCheckUtils]: 43: Hoare quadruple {3044#(and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) (store (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4) 0))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4)) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4))) (+ (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (+ (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 4)) 4))))))} {3006#(and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) |main_~#s~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) 4)) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4) |main_~#s~0.base|)) (not (= |main_~#s~0.base| 0)))} #89#return; {2880#false} is VALID [2018-11-23 13:02:04,996 INFO L273 TraceCheckUtils]: 44: Hoare triple {2880#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2880#false} is VALID [2018-11-23 13:02:04,996 INFO L273 TraceCheckUtils]: 45: Hoare triple {2880#false} assume !!(~i~0 >= 0); {2880#false} is VALID [2018-11-23 13:02:04,996 INFO L256 TraceCheckUtils]: 46: Hoare triple {2880#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {2880#false} is VALID [2018-11-23 13:02:04,997 INFO L273 TraceCheckUtils]: 47: Hoare triple {2880#false} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {2880#false} is VALID [2018-11-23 13:02:04,997 INFO L273 TraceCheckUtils]: 48: Hoare triple {2880#false} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {2880#false} is VALID [2018-11-23 13:02:04,997 INFO L273 TraceCheckUtils]: 49: Hoare triple {2880#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2880#false} is VALID [2018-11-23 13:02:04,997 INFO L273 TraceCheckUtils]: 50: Hoare triple {2880#false} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {2880#false} is VALID [2018-11-23 13:02:04,998 INFO L273 TraceCheckUtils]: 51: Hoare triple {2880#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {2880#false} is VALID [2018-11-23 13:02:04,998 INFO L273 TraceCheckUtils]: 52: Hoare triple {2880#false} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {2880#false} is VALID [2018-11-23 13:02:04,998 INFO L273 TraceCheckUtils]: 53: Hoare triple {2880#false} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {2880#false} is VALID [2018-11-23 13:02:04,998 INFO L273 TraceCheckUtils]: 54: Hoare triple {2880#false} assume true; {2880#false} is VALID [2018-11-23 13:02:04,998 INFO L268 TraceCheckUtils]: 55: Hoare quadruple {2880#false} {2880#false} #89#return; {2880#false} is VALID [2018-11-23 13:02:04,999 INFO L273 TraceCheckUtils]: 56: Hoare triple {2880#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {2880#false} is VALID [2018-11-23 13:02:04,999 INFO L273 TraceCheckUtils]: 57: Hoare triple {2880#false} assume !(~i~0 >= 0); {2880#false} is VALID [2018-11-23 13:02:04,999 INFO L273 TraceCheckUtils]: 58: Hoare triple {2880#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {2880#false} is VALID [2018-11-23 13:02:04,999 INFO L273 TraceCheckUtils]: 59: Hoare triple {2880#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {2880#false} is VALID [2018-11-23 13:02:04,999 INFO L273 TraceCheckUtils]: 60: Hoare triple {2880#false} assume !false; {2880#false} is VALID [2018-11-23 13:02:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:02:05,034 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:02:05,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24] total 40 [2018-11-23 13:02:05,035 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 61 [2018-11-23 13:02:05,036 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:02:05,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 40 states. [2018-11-23 13:02:05,238 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:02:05,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-11-23 13:02:05,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-11-23 13:02:05,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1457, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 13:02:05,240 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 40 states. [2018-11-23 13:02:11,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:02:11,018 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2018-11-23 13:02:11,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 13:02:11,018 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 61 [2018-11-23 13:02:11,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:02:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 13:02:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 88 transitions. [2018-11-23 13:02:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 13:02:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 88 transitions. [2018-11-23 13:02:11,024 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 88 transitions. [2018-11-23 13:02:11,157 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:02:11,159 INFO L225 Difference]: With dead ends: 90 [2018-11-23 13:02:11,160 INFO L226 Difference]: Without dead ends: 61 [2018-11-23 13:02:11,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=194, Invalid=2458, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 13:02:11,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-23 13:02:11,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2018-11-23 13:02:11,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:02:11,269 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 50 states. [2018-11-23 13:02:11,269 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 50 states. [2018-11-23 13:02:11,269 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 50 states. [2018-11-23 13:02:11,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:02:11,273 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2018-11-23 13:02:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2018-11-23 13:02:11,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:02:11,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:02:11,274 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 61 states. [2018-11-23 13:02:11,274 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 61 states. [2018-11-23 13:02:11,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:02:11,277 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2018-11-23 13:02:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2018-11-23 13:02:11,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:02:11,277 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:02:11,278 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:02:11,278 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:02:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 13:02:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-11-23 13:02:11,280 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 61 [2018-11-23 13:02:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:02:11,280 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-11-23 13:02:11,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-11-23 13:02:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-11-23 13:02:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 13:02:11,281 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:02:11,282 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:02:11,282 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:02:11,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:02:11,282 INFO L82 PathProgramCache]: Analyzing trace with hash 287186144, now seen corresponding path program 4 times [2018-11-23 13:02:11,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:02:11,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:02:11,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:02:11,284 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:02:11,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:02:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:02:11,989 INFO L256 TraceCheckUtils]: 0: Hoare triple {3446#true} call ULTIMATE.init(); {3446#true} is VALID [2018-11-23 13:02:11,989 INFO L273 TraceCheckUtils]: 1: Hoare triple {3446#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {3446#true} is VALID [2018-11-23 13:02:11,989 INFO L273 TraceCheckUtils]: 2: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:11,990 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3446#true} {3446#true} #93#return; {3446#true} is VALID [2018-11-23 13:02:11,990 INFO L256 TraceCheckUtils]: 4: Hoare triple {3446#true} call #t~ret14 := main(); {3446#true} is VALID [2018-11-23 13:02:11,990 INFO L273 TraceCheckUtils]: 5: Hoare triple {3446#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {3448#(<= main_~len~0 2)} is VALID [2018-11-23 13:02:11,990 INFO L256 TraceCheckUtils]: 6: Hoare triple {3448#(<= main_~len~0 2)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {3446#true} is VALID [2018-11-23 13:02:11,991 INFO L273 TraceCheckUtils]: 7: Hoare triple {3446#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,991 INFO L273 TraceCheckUtils]: 8: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} assume !!(~len > 0); {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,992 INFO L256 TraceCheckUtils]: 9: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {3446#true} is VALID [2018-11-23 13:02:11,992 INFO L273 TraceCheckUtils]: 10: Hoare triple {3446#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {3446#true} is VALID [2018-11-23 13:02:11,992 INFO L273 TraceCheckUtils]: 11: Hoare triple {3446#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {3446#true} is VALID [2018-11-23 13:02:11,992 INFO L273 TraceCheckUtils]: 12: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {3446#true} is VALID [2018-11-23 13:02:11,993 INFO L273 TraceCheckUtils]: 13: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:11,994 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {3446#true} {3449#(<= sll_create_~len |sll_create_#in~len|)} #91#return; {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,994 INFO L273 TraceCheckUtils]: 15: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,995 INFO L273 TraceCheckUtils]: 16: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,995 INFO L273 TraceCheckUtils]: 17: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} assume !!(~len > 0); {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,995 INFO L256 TraceCheckUtils]: 18: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {3446#true} is VALID [2018-11-23 13:02:11,995 INFO L273 TraceCheckUtils]: 19: Hoare triple {3446#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {3446#true} is VALID [2018-11-23 13:02:11,996 INFO L273 TraceCheckUtils]: 20: Hoare triple {3446#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {3446#true} is VALID [2018-11-23 13:02:11,996 INFO L273 TraceCheckUtils]: 21: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {3446#true} is VALID [2018-11-23 13:02:11,996 INFO L273 TraceCheckUtils]: 22: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:11,996 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {3446#true} {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} #91#return; {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,997 INFO L273 TraceCheckUtils]: 24: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,998 INFO L273 TraceCheckUtils]: 25: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {3451#(<= (+ sll_create_~len 2) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,999 INFO L273 TraceCheckUtils]: 26: Hoare triple {3451#(<= (+ sll_create_~len 2) |sll_create_#in~len|)} assume !!(~len > 0); {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:11,999 INFO L256 TraceCheckUtils]: 27: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {3446#true} is VALID [2018-11-23 13:02:11,999 INFO L273 TraceCheckUtils]: 28: Hoare triple {3446#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {3446#true} is VALID [2018-11-23 13:02:11,999 INFO L273 TraceCheckUtils]: 29: Hoare triple {3446#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,000 INFO L273 TraceCheckUtils]: 30: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {3446#true} is VALID [2018-11-23 13:02:12,000 INFO L273 TraceCheckUtils]: 31: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,017 INFO L268 TraceCheckUtils]: 32: Hoare quadruple {3446#true} {3452#(<= 3 |sll_create_#in~len|)} #91#return; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,023 INFO L273 TraceCheckUtils]: 33: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,023 INFO L273 TraceCheckUtils]: 34: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,023 INFO L273 TraceCheckUtils]: 35: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} assume !(~len > 0); {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,024 INFO L273 TraceCheckUtils]: 36: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,024 INFO L273 TraceCheckUtils]: 37: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} assume true; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,025 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {3452#(<= 3 |sll_create_#in~len|)} {3448#(<= main_~len~0 2)} #87#return; {3447#false} is VALID [2018-11-23 13:02:12,025 INFO L273 TraceCheckUtils]: 39: Hoare triple {3447#false} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {3447#false} is VALID [2018-11-23 13:02:12,025 INFO L273 TraceCheckUtils]: 40: Hoare triple {3447#false} assume !!(~i~0 >= 0); {3447#false} is VALID [2018-11-23 13:02:12,025 INFO L256 TraceCheckUtils]: 41: Hoare triple {3447#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,026 INFO L273 TraceCheckUtils]: 42: Hoare triple {3446#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {3446#true} is VALID [2018-11-23 13:02:12,026 INFO L273 TraceCheckUtils]: 43: Hoare triple {3446#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {3446#true} is VALID [2018-11-23 13:02:12,026 INFO L273 TraceCheckUtils]: 44: Hoare triple {3446#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3446#true} is VALID [2018-11-23 13:02:12,026 INFO L273 TraceCheckUtils]: 45: Hoare triple {3446#true} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {3446#true} is VALID [2018-11-23 13:02:12,026 INFO L273 TraceCheckUtils]: 46: Hoare triple {3446#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3446#true} is VALID [2018-11-23 13:02:12,027 INFO L273 TraceCheckUtils]: 47: Hoare triple {3446#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {3446#true} is VALID [2018-11-23 13:02:12,027 INFO L273 TraceCheckUtils]: 48: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,027 INFO L273 TraceCheckUtils]: 49: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,027 INFO L268 TraceCheckUtils]: 50: Hoare quadruple {3446#true} {3447#false} #89#return; {3447#false} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 51: Hoare triple {3447#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {3447#false} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 52: Hoare triple {3447#false} assume !!(~i~0 >= 0); {3447#false} is VALID [2018-11-23 13:02:12,028 INFO L256 TraceCheckUtils]: 53: Hoare triple {3447#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 54: Hoare triple {3446#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {3446#true} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 55: Hoare triple {3446#true} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {3446#true} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 56: Hoare triple {3446#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3446#true} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 57: Hoare triple {3446#true} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {3446#true} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 58: Hoare triple {3446#true} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3446#true} is VALID [2018-11-23 13:02:12,028 INFO L273 TraceCheckUtils]: 59: Hoare triple {3446#true} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {3446#true} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 60: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 61: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,029 INFO L268 TraceCheckUtils]: 62: Hoare quadruple {3446#true} {3447#false} #89#return; {3447#false} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 63: Hoare triple {3447#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {3447#false} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 64: Hoare triple {3447#false} assume !(~i~0 >= 0); {3447#false} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 65: Hoare triple {3447#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 66: Hoare triple {3447#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {3447#false} is VALID [2018-11-23 13:02:12,029 INFO L273 TraceCheckUtils]: 67: Hoare triple {3447#false} assume !false; {3447#false} is VALID [2018-11-23 13:02:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 13:02:12,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:02:12,032 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:02:12,040 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 13:02:12,103 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 13:02:12,103 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 13:02:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:02:12,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:02:12,218 INFO L256 TraceCheckUtils]: 0: Hoare triple {3446#true} call ULTIMATE.init(); {3446#true} is VALID [2018-11-23 13:02:12,219 INFO L273 TraceCheckUtils]: 1: Hoare triple {3446#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {3446#true} is VALID [2018-11-23 13:02:12,219 INFO L273 TraceCheckUtils]: 2: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,219 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3446#true} {3446#true} #93#return; {3446#true} is VALID [2018-11-23 13:02:12,220 INFO L256 TraceCheckUtils]: 4: Hoare triple {3446#true} call #t~ret14 := main(); {3446#true} is VALID [2018-11-23 13:02:12,220 INFO L273 TraceCheckUtils]: 5: Hoare triple {3446#true} ~len~0 := 2;~data~0 := 1;call ~#s~0.base, ~#s~0.offset := #Ultimate.alloc(4); {3448#(<= main_~len~0 2)} is VALID [2018-11-23 13:02:12,221 INFO L256 TraceCheckUtils]: 6: Hoare triple {3448#(<= main_~len~0 2)} call #t~ret11.base, #t~ret11.offset := sll_create(~len~0, ~data~0); {3446#true} is VALID [2018-11-23 13:02:12,221 INFO L273 TraceCheckUtils]: 7: Hoare triple {3446#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,222 INFO L273 TraceCheckUtils]: 8: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} assume !!(~len > 0); {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,222 INFO L256 TraceCheckUtils]: 9: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {3446#true} is VALID [2018-11-23 13:02:12,222 INFO L273 TraceCheckUtils]: 10: Hoare triple {3446#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {3446#true} is VALID [2018-11-23 13:02:12,222 INFO L273 TraceCheckUtils]: 11: Hoare triple {3446#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,222 INFO L273 TraceCheckUtils]: 12: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {3446#true} is VALID [2018-11-23 13:02:12,222 INFO L273 TraceCheckUtils]: 13: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,223 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {3446#true} {3449#(<= sll_create_~len |sll_create_#in~len|)} #91#return; {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,224 INFO L273 TraceCheckUtils]: 15: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3449#(<= sll_create_~len |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,233 INFO L273 TraceCheckUtils]: 16: Hoare triple {3449#(<= sll_create_~len |sll_create_#in~len|)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,233 INFO L273 TraceCheckUtils]: 17: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} assume !!(~len > 0); {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,233 INFO L256 TraceCheckUtils]: 18: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {3446#true} is VALID [2018-11-23 13:02:12,234 INFO L273 TraceCheckUtils]: 19: Hoare triple {3446#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {3446#true} is VALID [2018-11-23 13:02:12,234 INFO L273 TraceCheckUtils]: 20: Hoare triple {3446#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,234 INFO L273 TraceCheckUtils]: 21: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {3446#true} is VALID [2018-11-23 13:02:12,234 INFO L273 TraceCheckUtils]: 22: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,235 INFO L268 TraceCheckUtils]: 23: Hoare quadruple {3446#true} {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} #91#return; {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,235 INFO L273 TraceCheckUtils]: 24: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,236 INFO L273 TraceCheckUtils]: 25: Hoare triple {3450#(<= (+ sll_create_~len 1) |sll_create_#in~len|)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {3451#(<= (+ sll_create_~len 2) |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,236 INFO L273 TraceCheckUtils]: 26: Hoare triple {3451#(<= (+ sll_create_~len 2) |sll_create_#in~len|)} assume !!(~len > 0); {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,236 INFO L256 TraceCheckUtils]: 27: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} call #t~ret4.base, #t~ret4.offset := node_create(~data); {3446#true} is VALID [2018-11-23 13:02:12,236 INFO L273 TraceCheckUtils]: 28: Hoare triple {3446#true} ~data := #in~data;call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(8);~temp~0.base, ~temp~0.offset := #t~malloc2.base, #t~malloc2.offset; {3446#true} is VALID [2018-11-23 13:02:12,236 INFO L273 TraceCheckUtils]: 29: Hoare triple {3446#true} assume !(0 == ~temp~0.base && 0 == ~temp~0.offset); {3446#true} is VALID [2018-11-23 13:02:12,237 INFO L273 TraceCheckUtils]: 30: Hoare triple {3446#true} call write~$Pointer$(0, 0, ~temp~0.base, 4 + ~temp~0.offset, 4);call write~int(~data, ~temp~0.base, ~temp~0.offset, 4);#res.base, #res.offset := ~temp~0.base, ~temp~0.offset; {3446#true} is VALID [2018-11-23 13:02:12,237 INFO L273 TraceCheckUtils]: 31: Hoare triple {3446#true} assume true; {3446#true} is VALID [2018-11-23 13:02:12,237 INFO L268 TraceCheckUtils]: 32: Hoare quadruple {3446#true} {3452#(<= 3 |sll_create_#in~len|)} #91#return; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,238 INFO L273 TraceCheckUtils]: 33: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} ~new_head~0.base, ~new_head~0.offset := #t~ret4.base, #t~ret4.offset;havoc #t~ret4.base, #t~ret4.offset;call write~$Pointer$(~head~0.base, ~head~0.offset, ~new_head~0.base, 4 + ~new_head~0.offset, 4);~head~0.base, ~head~0.offset := ~new_head~0.base, ~new_head~0.offset; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,238 INFO L273 TraceCheckUtils]: 34: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} #t~post3 := ~len;~len := #t~post3 - 1;havoc #t~post3; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,238 INFO L273 TraceCheckUtils]: 35: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} assume !(~len > 0); {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,239 INFO L273 TraceCheckUtils]: 36: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,240 INFO L273 TraceCheckUtils]: 37: Hoare triple {3452#(<= 3 |sll_create_#in~len|)} assume true; {3452#(<= 3 |sll_create_#in~len|)} is VALID [2018-11-23 13:02:12,241 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {3452#(<= 3 |sll_create_#in~len|)} {3448#(<= main_~len~0 2)} #87#return; {3447#false} is VALID [2018-11-23 13:02:12,241 INFO L273 TraceCheckUtils]: 39: Hoare triple {3447#false} call write~init~$Pointer$(#t~ret11.base, #t~ret11.offset, ~#s~0.base, ~#s~0.offset, 4);havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {3447#false} is VALID [2018-11-23 13:02:12,241 INFO L273 TraceCheckUtils]: 40: Hoare triple {3447#false} assume !!(~i~0 >= 0); {3447#false} is VALID [2018-11-23 13:02:12,242 INFO L256 TraceCheckUtils]: 41: Hoare triple {3447#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {3447#false} is VALID [2018-11-23 13:02:12,242 INFO L273 TraceCheckUtils]: 42: Hoare triple {3447#false} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,242 INFO L273 TraceCheckUtils]: 43: Hoare triple {3447#false} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {3447#false} is VALID [2018-11-23 13:02:12,242 INFO L273 TraceCheckUtils]: 44: Hoare triple {3447#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,242 INFO L273 TraceCheckUtils]: 45: Hoare triple {3447#false} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {3447#false} is VALID [2018-11-23 13:02:12,243 INFO L273 TraceCheckUtils]: 46: Hoare triple {3447#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,243 INFO L273 TraceCheckUtils]: 47: Hoare triple {3447#false} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {3447#false} is VALID [2018-11-23 13:02:12,243 INFO L273 TraceCheckUtils]: 48: Hoare triple {3447#false} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {3447#false} is VALID [2018-11-23 13:02:12,243 INFO L273 TraceCheckUtils]: 49: Hoare triple {3447#false} assume true; {3447#false} is VALID [2018-11-23 13:02:12,243 INFO L268 TraceCheckUtils]: 50: Hoare quadruple {3447#false} {3447#false} #89#return; {3447#false} is VALID [2018-11-23 13:02:12,244 INFO L273 TraceCheckUtils]: 51: Hoare triple {3447#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {3447#false} is VALID [2018-11-23 13:02:12,244 INFO L273 TraceCheckUtils]: 52: Hoare triple {3447#false} assume !!(~i~0 >= 0); {3447#false} is VALID [2018-11-23 13:02:12,244 INFO L256 TraceCheckUtils]: 53: Hoare triple {3447#false} call sll_remove_last(~#s~0.base, ~#s~0.offset); {3447#false} is VALID [2018-11-23 13:02:12,244 INFO L273 TraceCheckUtils]: 54: Hoare triple {3447#false} ~head.base, ~head.offset := #in~head.base, #in~head.offset;call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~head.base, ~head.offset, 4);call #t~mem6.base, #t~mem6.offset := read~$Pointer$(#t~mem5.base, 4 + #t~mem5.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,245 INFO L273 TraceCheckUtils]: 55: Hoare triple {3447#false} assume !(0 == #t~mem6.base && 0 == #t~mem6.offset);havoc #t~mem5.base, #t~mem5.offset;havoc #t~mem6.base, #t~mem6.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := 0, 0;call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~head.base, ~head.offset, 4);~last~0.base, ~last~0.offset := #t~mem8.base, #t~mem8.offset;havoc #t~mem8.base, #t~mem8.offset; {3447#false} is VALID [2018-11-23 13:02:12,245 INFO L273 TraceCheckUtils]: 56: Hoare triple {3447#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,245 INFO L273 TraceCheckUtils]: 57: Hoare triple {3447#false} assume !!(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset;~snd_to_last~0.base, ~snd_to_last~0.offset := ~last~0.base, ~last~0.offset;call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4);~last~0.base, ~last~0.offset := #t~mem9.base, #t~mem9.offset;havoc #t~mem9.base, #t~mem9.offset; {3447#false} is VALID [2018-11-23 13:02:12,245 INFO L273 TraceCheckUtils]: 58: Hoare triple {3447#false} call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~last~0.base, 4 + ~last~0.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,245 INFO L273 TraceCheckUtils]: 59: Hoare triple {3447#false} assume !(#t~mem10.base != 0 || #t~mem10.offset != 0);havoc #t~mem10.base, #t~mem10.offset; {3447#false} is VALID [2018-11-23 13:02:12,246 INFO L273 TraceCheckUtils]: 60: Hoare triple {3447#false} call write~$Pointer$(0, 0, ~snd_to_last~0.base, 4 + ~snd_to_last~0.offset, 4);call ULTIMATE.dealloc(~last~0.base, ~last~0.offset); {3447#false} is VALID [2018-11-23 13:02:12,246 INFO L273 TraceCheckUtils]: 61: Hoare triple {3447#false} assume true; {3447#false} is VALID [2018-11-23 13:02:12,246 INFO L268 TraceCheckUtils]: 62: Hoare quadruple {3447#false} {3447#false} #89#return; {3447#false} is VALID [2018-11-23 13:02:12,247 INFO L273 TraceCheckUtils]: 63: Hoare triple {3447#false} #t~post12 := ~i~0;~i~0 := #t~post12 - 1;havoc #t~post12; {3447#false} is VALID [2018-11-23 13:02:12,247 INFO L273 TraceCheckUtils]: 64: Hoare triple {3447#false} assume !(~i~0 >= 0); {3447#false} is VALID [2018-11-23 13:02:12,247 INFO L273 TraceCheckUtils]: 65: Hoare triple {3447#false} call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~#s~0.base, ~#s~0.offset, 4); {3447#false} is VALID [2018-11-23 13:02:12,247 INFO L273 TraceCheckUtils]: 66: Hoare triple {3447#false} assume 0 != #t~mem13.base || 0 != #t~mem13.offset;havoc #t~mem13.base, #t~mem13.offset; {3447#false} is VALID [2018-11-23 13:02:12,247 INFO L273 TraceCheckUtils]: 67: Hoare triple {3447#false} assume !false; {3447#false} is VALID [2018-11-23 13:02:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 13:02:12,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:02:12,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-23 13:02:12,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-11-23 13:02:12,272 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:02:12,273 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 13:02:12,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:02:12,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:02:12,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:02:12,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:02:12,334 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 7 states. [2018-11-23 13:02:12,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:02:12,593 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-11-23 13:02:12,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:02:12,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-11-23 13:02:12,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:02:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 13:02:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 48 transitions. [2018-11-23 13:02:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 13:02:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 48 transitions. [2018-11-23 13:02:12,596 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 48 transitions. [2018-11-23 13:02:12,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:02:12,653 INFO L225 Difference]: With dead ends: 50 [2018-11-23 13:02:12,653 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:02:12,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:02:12,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:02:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:02:12,655 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:02:12,655 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:02:12,655 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:02:12,655 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:02:12,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:02:12,655 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:02:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:02:12,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:02:12,656 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:02:12,656 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:02:12,656 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:02:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:02:12,656 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:02:12,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:02:12,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:02:12,657 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:02:12,657 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:02:12,657 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:02:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:02:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:02:12,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2018-11-23 13:02:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:02:12,657 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:02:12,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:02:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:02:12,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:02:12,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:02:12,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:02:12,862 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-23 13:02:13,160 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2018-11-23 13:02:13,322 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2018-11-23 13:02:13,437 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2018-11-23 13:02:13,956 WARN L180 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2018-11-23 13:02:14,136 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2018-11-23 13:02:14,173 INFO L451 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2018-11-23 13:02:14,173 INFO L448 ceAbstractionStarter]: For program point exitEXIT(lines 560 562) no Hoare annotation was computed. [2018-11-23 13:02:14,173 INFO L451 ceAbstractionStarter]: At program point exitENTRY(lines 560 562) the Hoare annotation is: true [2018-11-23 13:02:14,173 INFO L448 ceAbstractionStarter]: For program point exitFINAL(lines 560 562) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L444 ceAbstractionStarter]: At program point sll_remove_lastENTRY(lines 581 595) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 588 591) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point sll_remove_lastEXIT(lines 581 595) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L444 ceAbstractionStarter]: At program point L588-3(lines 588 591) the Hoare annotation is: (let ((.cse13 (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (let ((.cse9 (select |old(#memory_$Pointer$.offset)| .cse13)) (.cse11 (select |old(#memory_$Pointer$.base)| .cse13)) (.cse8 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (and (let ((.cse4 (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (.cse6 (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|)) (.cse2 (= |#valid| |old(#valid)|)) (.cse0 (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse1 (= |sll_remove_last_#in~head.offset| sll_remove_last_~head.offset)) (.cse5 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (and .cse0 (= sll_remove_last_~snd_to_last~0.base 0) .cse1 .cse2 .cse3 (= .cse4 sll_remove_last_~last~0.base) .cse5 (= .cse6 sll_remove_last_~last~0.offset)) (let ((.cse7 (+ .cse6 4))) (and .cse0 (<= .cse6 sll_remove_last_~snd_to_last~0.offset) (= .cse4 sll_remove_last_~snd_to_last~0.base) .cse1 (= (select (select |#memory_$Pointer$.offset| .cse4) .cse7) sll_remove_last_~last~0.offset) .cse2 (<= sll_remove_last_~snd_to_last~0.offset .cse6) (= (select (select |#memory_$Pointer$.base| .cse4) .cse7) sll_remove_last_~last~0.base) .cse3 .cse5)) (and .cse2 .cse0 (let ((.cse10 (select .cse11 4))) (or (not (= 0 .cse8)) (not (= (select .cse9 4) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.base)| .cse10) 4))) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| .cse10) 4))))) .cse3 .cse1 .cse5))) (let ((.cse12 (+ .cse8 4))) (or (not (= (select .cse9 .cse12) 0)) (not (= (select .cse11 .cse12) 0))))))) [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point L588-4(lines 588 591) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 594) no Hoare annotation was computed. [2018-11-23 13:02:14,174 INFO L448 ceAbstractionStarter]: For program point L582-2(lines 581 595) no Hoare annotation was computed. [2018-11-23 13:02:14,175 INFO L444 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (let ((.cse1 (= sll_create_~head~0.base 0))) (let ((.cse0 (not .cse1)) (.cse2 (= 0 sll_create_~head~0.offset))) (or (and .cse0 (<= (+ sll_create_~len 2) |sll_create_#in~len|) (<= 3 |sll_create_#in~len|) (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0)) (and .cse1 (= |#valid| |old(#valid)|) (<= sll_create_~len |sll_create_#in~len|) (<= |sll_create_#in~len| sll_create_~len) .cse2 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and .cse0 (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (<= (+ sll_create_~len 1) |sll_create_#in~len|) .cse2 (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0) (= 0 (select |old(#valid)| sll_create_~head~0.base)))))) [2018-11-23 13:02:14,175 INFO L448 ceAbstractionStarter]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2018-11-23 13:02:14,175 INFO L448 ceAbstractionStarter]: For program point L575-1(line 575) no Hoare annotation was computed. [2018-11-23 13:02:14,175 INFO L448 ceAbstractionStarter]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2018-11-23 13:02:14,175 INFO L444 ceAbstractionStarter]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse6 (= sll_create_~head~0.base 0)) (.cse8 (select |#memory_$Pointer$.base| sll_create_~head~0.base))) (let ((.cse2 (<= (+ sll_create_~len 2) |sll_create_#in~len|)) (.cse3 (not (= (select .cse8 (+ sll_create_~head~0.offset 4)) 0))) (.cse0 (not .cse6)) (.cse1 (select .cse8 4)) (.cse4 (= 0 sll_create_~head~0.offset)) (.cse5 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))) (or (and .cse0 (= 0 (select |old(#valid)| .cse1)) .cse2 .cse3 (= 0 (select (select |#memory_$Pointer$.offset| .cse1) 4)) .cse4 (exists ((|node_create_#t~malloc2.base| Int)) (and (= (select (store |old(#valid)| |node_create_#t~malloc2.base| 1) sll_create_~head~0.base) 0) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0))) .cse5 (= 0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and .cse0 .cse2 (<= 3 |sll_create_#in~len|) .cse3 (<= 0 sll_create_~head~0.offset) (<= sll_create_~head~0.offset 0)) (and .cse6 (= |#valid| |old(#valid)|) (<= sll_create_~len |sll_create_#in~len|) (<= |sll_create_#in~len| sll_create_~len) .cse4 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (let ((.cse7 (+ sll_create_~len 1))) (and .cse0 (= .cse1 0) (<= .cse7 |sll_create_#in~len|) .cse4 (= |#valid| (store |old(#valid)| sll_create_~head~0.base 1)) .cse5 (= 0 (select |old(#valid)| sll_create_~head~0.base)) (<= |sll_create_#in~len| .cse7)))))) [2018-11-23 13:02:14,175 INFO L448 ceAbstractionStarter]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2018-11-23 13:02:14,175 INFO L444 ceAbstractionStarter]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 13:02:14,175 INFO L448 ceAbstractionStarter]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2018-11-23 13:02:14,175 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:02:14,176 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:02:14,176 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:02:14,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:02:14,176 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 596 610) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 13:02:14,176 INFO L444 ceAbstractionStarter]: At program point L605(lines 596 610) the Hoare annotation is: false [2018-11-23 13:02:14,176 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 606) no Hoare annotation was computed. [2018-11-23 13:02:14,176 INFO L444 ceAbstractionStarter]: At program point L602(line 602) the Hoare annotation is: (let ((.cse7 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse8 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (= |main_~#s~0.offset| 0)) (.cse2 (not (= |main_~#s~0.base| .cse8))) (.cse3 (select (select |#memory_$Pointer$.offset| .cse8) 4)) (.cse5 (not (= |main_~#s~0.base| 0))) (.cse0 (select (select |#memory_$Pointer$.base| .cse8) 4)) (.cse4 (= 0 .cse7)) (.cse6 (<= 2 main_~len~0))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| .cse0) 4)) (not (= .cse0 |main_~#s~0.base|)) (<= 1 main_~i~0) (= 0 (select (select |#memory_$Pointer$.base| .cse0) 4)) .cse1 .cse2 (= .cse3 0) .cse4 .cse5 .cse6) (and (<= 0 main_~i~0) (<= .cse7 0) .cse1 .cse2 (= 0 .cse3) .cse5 .cse6 (<= 0 .cse7) (= 0 .cse0)) (and (= 0 .cse8) .cse4 .cse6)))) [2018-11-23 13:02:14,176 INFO L448 ceAbstractionStarter]: For program point L602-1(lines 601 603) no Hoare annotation was computed. [2018-11-23 13:02:14,176 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 596 610) no Hoare annotation was computed. [2018-11-23 13:02:14,177 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (and (exists ((|node_create_#t~malloc2.base| Int)) (and (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0))) (= |main_~#s~0.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#s~0.base| 0)) (<= main_~len~0 2) (<= 2 main_~len~0) (= (select |#valid| |main_~#s~0.base|) 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 13:02:14,177 INFO L444 ceAbstractionStarter]: At program point L601-2(lines 601 603) the Hoare annotation is: (let ((.cse7 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|)) (.cse8 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (= |main_~#s~0.offset| 0)) (.cse2 (not (= |main_~#s~0.base| .cse8))) (.cse3 (select (select |#memory_$Pointer$.offset| .cse8) 4)) (.cse5 (not (= |main_~#s~0.base| 0))) (.cse0 (select (select |#memory_$Pointer$.base| .cse8) 4)) (.cse4 (= 0 .cse7)) (.cse6 (<= 2 main_~len~0))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| .cse0) 4)) (not (= .cse0 |main_~#s~0.base|)) (<= 1 main_~i~0) (= 0 (select (select |#memory_$Pointer$.base| .cse0) 4)) .cse1 .cse2 (= .cse3 0) .cse4 .cse5 .cse6) (and (<= 0 main_~i~0) (<= .cse7 0) .cse1 .cse2 (= 0 .cse3) .cse5 .cse6 (<= 0 .cse7) (= 0 .cse0)) (and (= 0 .cse8) .cse4 .cse6)))) [2018-11-23 13:02:14,177 INFO L448 ceAbstractionStarter]: For program point L599-1(line 599) no Hoare annotation was computed. [2018-11-23 13:02:14,177 INFO L448 ceAbstractionStarter]: For program point L601-3(lines 601 603) no Hoare annotation was computed. [2018-11-23 13:02:14,177 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 596 610) no Hoare annotation was computed. [2018-11-23 13:02:14,177 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 608) no Hoare annotation was computed. [2018-11-23 13:02:14,177 INFO L444 ceAbstractionStarter]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-23 13:02:14,178 INFO L448 ceAbstractionStarter]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2018-11-23 13:02:14,178 INFO L451 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: true [2018-11-23 13:02:14,178 INFO L448 ceAbstractionStarter]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2018-11-23 13:02:14,178 INFO L448 ceAbstractionStarter]: For program point L565(lines 565 567) no Hoare annotation was computed. [2018-11-23 13:02:14,178 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2018-11-23 13:02:14,179 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:02:14,179 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2018-11-23 13:02:14,182 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2018-11-23 13:02:14,182 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:02:14,182 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2018-11-23 13:02:14,182 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2018-11-23 13:02:14,182 WARN L170 areAnnotationChecker]: L574-4 has no Hoare annotation [2018-11-23 13:02:14,182 WARN L170 areAnnotationChecker]: L574-4 has no Hoare annotation [2018-11-23 13:02:14,184 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:02:14,184 WARN L170 areAnnotationChecker]: L599-1 has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: L582-2 has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: L588-4 has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: L588-1 has no Hoare annotation [2018-11-23 13:02:14,186 WARN L170 areAnnotationChecker]: L574-4 has no Hoare annotation [2018-11-23 13:02:14,187 WARN L170 areAnnotationChecker]: L575-1 has no Hoare annotation [2018-11-23 13:02:14,188 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:02:14,188 WARN L170 areAnnotationChecker]: L599-1 has no Hoare annotation [2018-11-23 13:02:14,188 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2018-11-23 13:02:14,188 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2018-11-23 13:02:14,188 WARN L170 areAnnotationChecker]: sll_remove_lastEXIT has no Hoare annotation [2018-11-23 13:02:14,188 WARN L170 areAnnotationChecker]: L588-4 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: L588-1 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: L588-1 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: sll_createFINAL has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: L575-1 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: L601-3 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: L601-3 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: node_createFINAL has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: L602-1 has no Hoare annotation [2018-11-23 13:02:14,189 WARN L170 areAnnotationChecker]: sll_createEXIT has no Hoare annotation [2018-11-23 13:02:14,190 WARN L170 areAnnotationChecker]: L574-2 has no Hoare annotation [2018-11-23 13:02:14,190 WARN L170 areAnnotationChecker]: L601-3 has no Hoare annotation [2018-11-23 13:02:14,190 WARN L170 areAnnotationChecker]: L602-1 has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: node_createEXIT has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:02:14,191 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:02:14,192 INFO L163 areAnnotationChecker]: CFG has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 13:02:14,199 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,200 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,200 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,201 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,202 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,203 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,204 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,205 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,205 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,205 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,205 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,206 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,209 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,210 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,210 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,210 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,211 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,211 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,211 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,211 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,212 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,212 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,212 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,212 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,213 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,213 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,213 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,213 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,214 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,214 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,214 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,214 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,215 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,216 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,217 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,217 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,217 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,217 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,218 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,218 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,218 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,219 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,220 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,221 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,222 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,224 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,224 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,224 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,224 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,225 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,225 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,225 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,225 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,225 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,226 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,226 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,226 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,226 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,227 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,227 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,227 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,227 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,228 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,228 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,228 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,228 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,231 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,232 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,233 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,233 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,233 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,234 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,234 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,234 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,235 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,235 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,235 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,235 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,236 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,236 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,236 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,236 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,237 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,238 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,239 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,239 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,239 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,239 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,240 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,240 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,240 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,240 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,240 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,241 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,246 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,246 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,246 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,246 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,246 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,248 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,248 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,248 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,248 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,249 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,249 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,249 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,249 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,250 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,250 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,250 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,250 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,250 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,251 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,251 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,254 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,258 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,258 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,258 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,258 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,259 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,259 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,259 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,259 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,260 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,260 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,260 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,260 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,260 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,261 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,261 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,261 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,262 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,264 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,264 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,264 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,264 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,264 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,265 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,265 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,265 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,265 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,266 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,266 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,266 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,266 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,266 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,267 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,267 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,267 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,267 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,270 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,270 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,270 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,270 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,270 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,271 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,271 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,271 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,271 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,272 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,272 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,275 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,275 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,275 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,276 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,276 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,277 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,277 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,277 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,277 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,278 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,279 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,279 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,279 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,280 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,280 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,281 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,281 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,281 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,282 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,282 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,282 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,282 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,282 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,283 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,283 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,283 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,283 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,284 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,284 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,285 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,285 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,286 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,286 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,286 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,287 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,288 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,288 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,288 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,289 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,289 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,290 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,290 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,290 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,290 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,291 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,291 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,291 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,291 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,292 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,292 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,292 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,292 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:02:14 BoogieIcfgContainer [2018-11-23 13:02:14,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:02:14,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:02:14,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:02:14,295 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:02:14,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:54" (3/4) ... [2018-11-23 13:02:14,300 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:02:14,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure exit [2018-11-23 13:02:14,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:02:14,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sll_remove_last [2018-11-23 13:02:14,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sll_create [2018-11-23 13:02:14,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:02:14,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2018-11-23 13:02:14,313 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-23 13:02:14,314 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:02:14,314 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:02:14,346 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(head == 0) && 0 == \old(\valid)[#memory_$Pointer$[head][4]]) && len + 2 <= \old(len)) && !(#memory_$Pointer$[head][head + 4] == 0)) && 0 == #memory_$Pointer$[#memory_$Pointer$[head][4]][4]) && 0 == head) && (\exists node_create_#t~malloc2.base : int :: \old(\valid)[node_create_#t~malloc2.base := 1][head] == 0 && \old(\valid)[node_create_#t~malloc2.base] == 0)) && #memory_$Pointer$[head][4] == 0) && 0 == #memory_$Pointer$[#memory_$Pointer$[head][4]][4]) || (((((!(head == 0) && len + 2 <= \old(len)) && 3 <= \old(len)) && !(#memory_$Pointer$[head][head + 4] == 0)) && 0 <= head) && head <= 0)) || ((((((head == 0 && \valid == \old(\valid)) && len <= \old(len)) && \old(len) <= len) && 0 == head) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((!(head == 0) && #memory_$Pointer$[head][4] == 0) && len + 1 <= \old(len)) && 0 == head) && \valid == \old(\valid)[head := 1]) && #memory_$Pointer$[head][4] == 0) && 0 == \old(\valid)[head]) && \old(len) <= len + 1) [2018-11-23 13:02:14,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((head == head && snd_to_last == 0) && head == head) && \valid == \old(\valid)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$[head][head] == last) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$[head][head] == last) || (((((((((head == head && #memory_$Pointer$[head][head] <= snd_to_last) && #memory_$Pointer$[head][head] == snd_to_last) && head == head) && #memory_$Pointer$[#memory_$Pointer$[head][head]][#memory_$Pointer$[head][head] + 4] == last) && \valid == \old(\valid)) && snd_to_last <= #memory_$Pointer$[head][head]) && #memory_$Pointer$[#memory_$Pointer$[head][head]][#memory_$Pointer$[head][head] + 4] == last) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((\valid == \old(\valid) && head == head) && (((!(0 == \old(#memory_$Pointer$)[head][head]) || !(\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][4] == 0)) || !(0 == \old(#memory_$Pointer$)[\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][4]][4])) || !(0 == \old(#memory_$Pointer$)[\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][4]][4]))) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head) && #memory_$Pointer$ == \old(#memory_$Pointer$))) && (!(\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][\old(#memory_$Pointer$)[head][head] + 4] == 0) || !(\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][\old(#memory_$Pointer$)[head][head] + 4] == 0)) [2018-11-23 13:02:14,377 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/list-simple/sll2n_remove_all_reverse_true-unreach-call_true-valid-memsafety.i-witness.graphml [2018-11-23 13:02:14,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:02:14,382 INFO L168 Benchmark]: Toolchain (without parser) took 142032.16 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -268.1 MB). Peak memory consumption was 849.2 MB. Max. memory is 7.1 GB. [2018-11-23 13:02:14,383 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:02:14,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-23 13:02:14,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -792.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2018-11-23 13:02:14,384 INFO L168 Benchmark]: Boogie Preprocessor took 42.97 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:02:14,384 INFO L168 Benchmark]: RCFGBuilder took 983.01 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2018-11-23 13:02:14,384 INFO L168 Benchmark]: TraceAbstraction took 140083.07 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 403.2 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 454.7 MB). Peak memory consumption was 857.8 MB. Max. memory is 7.1 GB. [2018-11-23 13:02:14,385 INFO L168 Benchmark]: Witness Printer took 85.91 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:02:14,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 121.95 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -792.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.97 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 983.01 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 140083.07 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 403.2 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 454.7 MB). Peak memory consumption was 857.8 MB. Max. memory is 7.1 GB. * Witness Printer took 85.91 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #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 #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 608]: 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: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 601]: Loop Invariant [2018-11-23 13:02:14,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,418 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,419 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,419 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,419 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,419 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,420 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,420 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,420 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,420 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,420 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,421 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,421 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,421 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,421 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,423 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,424 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,424 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,424 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,424 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,424 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,429 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,429 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,429 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,429 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,430 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,430 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,430 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,430 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,430 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,431 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,431 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,431 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,431 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,431 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,431 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,432 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,432 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,432 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,435 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,435 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,436 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,436 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,436 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,436 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,437 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,437 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,437 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,437 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,440 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,440 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,440 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,442 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,442 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,442 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,442 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,444 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,444 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,444 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,445 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,445 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,445 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,445 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,445 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,446 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,446 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,446 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,446 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,446 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,446 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,447 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,447 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,447 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((0 == #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] && !(#memory_$Pointer$[#memory_$Pointer$[s][s]][4] == s)) && 1 <= i) && 0 == #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4]) && s == 0) && !(s == #memory_$Pointer$[s][s])) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && 0 == #memory_$Pointer$[s][s]) && !(s == 0)) && 2 <= len) || ((((((((0 <= i && #memory_$Pointer$[s][s] <= 0) && s == 0) && !(s == #memory_$Pointer$[s][s])) && 0 == #memory_$Pointer$[#memory_$Pointer$[s][s]][4]) && !(s == 0)) && 2 <= len) && 0 <= #memory_$Pointer$[s][s]) && 0 == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) || ((0 == #memory_$Pointer$[s][s] && 0 == #memory_$Pointer$[s][s]) && 2 <= len) - InvariantResult [Line: 588]: Loop Invariant [2018-11-23 13:02:14,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,457 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,458 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,459 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,459 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,459 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,459 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,459 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,460 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,461 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,461 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,461 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,462 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,462 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,462 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,463 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,463 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,463 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,463 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,463 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,464 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,464 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,464 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,464 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,464 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,465 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,466 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,466 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,466 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,466 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,466 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,467 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,467 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,467 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,467 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,467 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,468 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,468 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,468 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,468 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,468 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,468 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,469 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,469 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,470 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,473 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,473 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,474 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,475 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,475 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,475 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,475 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,476 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,476 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,476 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,476 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,476 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,476 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,477 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,477 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,477 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,477 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,477 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,478 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,478 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,478 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,478 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,478 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,479 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,479 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,479 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,479 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,479 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,479 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,483 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,483 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,484 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,484 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,486 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,486 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,487 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,487 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,487 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,487 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,487 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,487 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,488 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,488 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,488 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,488 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,488 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,489 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,490 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,490 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,490 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,490 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,490 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,491 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,491 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,491 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,491 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,492 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,493 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,493 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((head == head && snd_to_last == 0) && head == head) && \valid == \old(\valid)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$[head][head] == last) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$[head][head] == last) || (((((((((head == head && #memory_$Pointer$[head][head] <= snd_to_last) && #memory_$Pointer$[head][head] == snd_to_last) && head == head) && #memory_$Pointer$[#memory_$Pointer$[head][head]][#memory_$Pointer$[head][head] + 4] == last) && \valid == \old(\valid)) && snd_to_last <= #memory_$Pointer$[head][head]) && #memory_$Pointer$[#memory_$Pointer$[head][head]][#memory_$Pointer$[head][head] + 4] == last) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((\valid == \old(\valid) && head == head) && (((!(0 == \old(#memory_$Pointer$)[head][head]) || !(\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][4] == 0)) || !(0 == \old(#memory_$Pointer$)[\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][4]][4])) || !(0 == \old(#memory_$Pointer$)[\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][4]][4]))) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head) && #memory_$Pointer$ == \old(#memory_$Pointer$))) && (!(\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][\old(#memory_$Pointer$)[head][head] + 4] == 0) || !(\old(#memory_$Pointer$)[\old(#memory_$Pointer$)[head][head]][\old(#memory_$Pointer$)[head][head] + 4] == 0)) - InvariantResult [Line: 574]: Loop Invariant [2018-11-23 13:02:14,494 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,494 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,494 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,494 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,496 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,496 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,496 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,496 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,497 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,497 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,497 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,497 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,497 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,497 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,499 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,499 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,499 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,499 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,499 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,500 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,500 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,500 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,500 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,500 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,500 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,501 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,501 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,501 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,501 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,502 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,503 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,503 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,503 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[node_create_#t~malloc2.base,QUANTIFIED] [2018-11-23 13:02:14,503 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,503 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,504 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,505 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 13:02:14,505 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 13:02:14,505 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,506 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,506 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,506 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,506 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,506 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,507 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,509 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,509 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,509 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,509 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,510 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,510 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 13:02:14,510 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((!(head == 0) && 0 == \old(\valid)[#memory_$Pointer$[head][4]]) && len + 2 <= \old(len)) && !(#memory_$Pointer$[head][head + 4] == 0)) && 0 == #memory_$Pointer$[#memory_$Pointer$[head][4]][4]) && 0 == head) && (\exists node_create_#t~malloc2.base : int :: \old(\valid)[node_create_#t~malloc2.base := 1][head] == 0 && \old(\valid)[node_create_#t~malloc2.base] == 0)) && #memory_$Pointer$[head][4] == 0) && 0 == #memory_$Pointer$[#memory_$Pointer$[head][4]][4]) || (((((!(head == 0) && len + 2 <= \old(len)) && 3 <= \old(len)) && !(#memory_$Pointer$[head][head + 4] == 0)) && 0 <= head) && head <= 0)) || ((((((head == 0 && \valid == \old(\valid)) && len <= \old(len)) && \old(len) <= len) && 0 == head) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((!(head == 0) && #memory_$Pointer$[head][4] == 0) && len + 1 <= \old(len)) && 0 == head) && \valid == \old(\valid)[head := 1]) && #memory_$Pointer$[head][4] == 0) && 0 == \old(\valid)[head]) && \old(len) <= len + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 44 locations, 1 error locations. SAFE Result, 139.8s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 115.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 332 SDtfs, 233 SDslu, 2336 SDs, 0 SdLazy, 2612 SolverSat, 146 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 301 SyntacticMatches, 6 SemanticMatches, 218 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1682 ImplicationChecksByTransitivity, 25.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 38 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 43 PreInvPairs, 59 NumberOfFragments, 868 HoareAnnotationTreeSize, 43 FomulaSimplifications, 841 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 1169 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 741 ConstructedInterpolants, 20 QuantifiedInterpolants, 425139 SizeOfPredicates, 68 NumberOfNonLiveVariables, 1812 ConjunctsInSsa, 329 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 215/358 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...