java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0232_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 16:00:53,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 16:00:53,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 16:00:53,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 16:00:53,931 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 16:00:53,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 16:00:53,932 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 16:00:53,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 16:00:53,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 16:00:53,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 16:00:53,936 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 16:00:53,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 16:00:53,937 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 16:00:53,938 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 16:00:53,939 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 16:00:53,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 16:00:53,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 16:00:53,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 16:00:53,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 16:00:53,946 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 16:00:53,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 16:00:53,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 16:00:53,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 16:00:53,953 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 16:00:53,963 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 16:00:53,963 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 16:00:53,964 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 16:00:53,964 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 16:00:53,964 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 16:00:53,964 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 16:00:53,964 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 16:00:53,965 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 16:00:53,966 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 16:00:53,966 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 16:00:53,966 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 16:00:53,966 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 16:00:53,966 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 16:00:53,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 16:00:53,967 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 16:00:53,967 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 16:00:53,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 16:00:54,007 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 16:00:54,011 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 16:00:54,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 16:00:54,012 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 16:00:54,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0232_1_true-valid-memsafety_true-termination.i [2018-02-04 16:00:54,144 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 16:00:54,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 16:00:54,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 16:00:54,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 16:00:54,151 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 16:00:54,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a9abb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54, skipping insertion in model container [2018-02-04 16:00:54,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,169 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 16:00:54,197 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 16:00:54,288 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 16:00:54,300 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 16:00:54,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54 WrapperNode [2018-02-04 16:00:54,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 16:00:54,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 16:00:54,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 16:00:54,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 16:00:54,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... [2018-02-04 16:00:54,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 16:00:54,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 16:00:54,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 16:00:54,330 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 16:00:54,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 16:00:54,365 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 16:00:54,365 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 16:00:54,365 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-02-04 16:00:54,365 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 16:00:54,365 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 16:00:54,366 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 16:00:54,367 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-02-04 16:00:54,367 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 16:00:54,367 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 16:00:54,367 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 16:00:54,624 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 16:00:54,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:00:54 BoogieIcfgContainer [2018-02-04 16:00:54,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 16:00:54,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 16:00:54,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 16:00:54,627 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 16:00:54,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:00:54" (1/3) ... [2018-02-04 16:00:54,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ec79d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:00:54, skipping insertion in model container [2018-02-04 16:00:54,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:00:54" (2/3) ... [2018-02-04 16:00:54,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ec79d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:00:54, skipping insertion in model container [2018-02-04 16:00:54,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:00:54" (3/3) ... [2018-02-04 16:00:54,629 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0232_1_true-valid-memsafety_true-termination.i [2018-02-04 16:00:54,634 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 16:00:54,638 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2018-02-04 16:00:54,660 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 16:00:54,660 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 16:00:54,660 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 16:00:54,660 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 16:00:54,660 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 16:00:54,660 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 16:00:54,660 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 16:00:54,660 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 16:00:54,661 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 16:00:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-02-04 16:00:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-02-04 16:00:54,674 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:54,675 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:54,675 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:54,678 INFO L82 PathProgramCache]: Analyzing trace with hash 2046659462, now seen corresponding path program 1 times [2018-02-04 16:00:54,710 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:54,735 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:54,775 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:54,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 16:00:54,776 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:54,777 INFO L182 omatonBuilderFactory]: Interpolants [107#true, 108#false, 109#(= 1 (select |#valid| |main_~#list~0.base|))] [2018-02-04 16:00:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:54,777 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 16:00:54,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 16:00:54,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 16:00:54,787 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2018-02-04 16:00:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:54,951 INFO L93 Difference]: Finished difference Result 109 states and 114 transitions. [2018-02-04 16:00:54,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 16:00:54,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-02-04 16:00:54,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:54,960 INFO L225 Difference]: With dead ends: 109 [2018-02-04 16:00:54,960 INFO L226 Difference]: Without dead ends: 106 [2018-02-04 16:00:54,961 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 16:00:54,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-02-04 16:00:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2018-02-04 16:00:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-02-04 16:00:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2018-02-04 16:00:54,991 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 7 [2018-02-04 16:00:54,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:54,992 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2018-02-04 16:00:54,992 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 16:00:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2018-02-04 16:00:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-02-04 16:00:54,992 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:54,993 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:54,993 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash 2046659463, now seen corresponding path program 1 times [2018-02-04 16:00:54,994 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:55,007 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,046 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:55,046 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 16:00:55,046 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,046 INFO L182 omatonBuilderFactory]: Interpolants [320#true, 321#false, 322#(and (= (select |#length| |main_~#list~0.base|) 4) (= |main_~#list~0.offset| 0))] [2018-02-04 16:00:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,048 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 16:00:55,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 16:00:55,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 16:00:55,048 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand 3 states. [2018-02-04 16:00:55,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:55,120 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2018-02-04 16:00:55,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 16:00:55,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-02-04 16:00:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:55,122 INFO L225 Difference]: With dead ends: 102 [2018-02-04 16:00:55,122 INFO L226 Difference]: Without dead ends: 102 [2018-02-04 16:00:55,123 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 16:00:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-02-04 16:00:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2018-02-04 16:00:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-02-04 16:00:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 105 transitions. [2018-02-04 16:00:55,130 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 105 transitions. Word has length 7 [2018-02-04 16:00:55,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:55,130 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 105 transitions. [2018-02-04 16:00:55,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 16:00:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2018-02-04 16:00:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 16:00:55,131 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:55,131 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:55,131 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:55,132 INFO L82 PathProgramCache]: Analyzing trace with hash -190938367, now seen corresponding path program 1 times [2018-02-04 16:00:55,132 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:55,152 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,218 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:55,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:00:55,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,219 INFO L182 omatonBuilderFactory]: Interpolants [528#(= 1 (select |#valid| |append_#in~plist.base|)), 529#(= (select |#valid| append_~plist.base) 1), 525#true, 526#false, 527#(= 1 (select |#valid| |main_~#list~0.base|))] [2018-02-04 16:00:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,219 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:00:55,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:00:55,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:00:55,220 INFO L87 Difference]: Start difference. First operand 100 states and 105 transitions. Second operand 5 states. [2018-02-04 16:00:55,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:55,363 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2018-02-04 16:00:55,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:00:55,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-02-04 16:00:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:55,365 INFO L225 Difference]: With dead ends: 96 [2018-02-04 16:00:55,366 INFO L226 Difference]: Without dead ends: 96 [2018-02-04 16:00:55,366 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:00:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-02-04 16:00:55,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2018-02-04 16:00:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-02-04 16:00:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 96 transitions. [2018-02-04 16:00:55,371 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 96 transitions. Word has length 14 [2018-02-04 16:00:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:55,371 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 96 transitions. [2018-02-04 16:00:55,371 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:00:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2018-02-04 16:00:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 16:00:55,372 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:55,372 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:55,372 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:55,372 INFO L82 PathProgramCache]: Analyzing trace with hash -190938366, now seen corresponding path program 1 times [2018-02-04 16:00:55,373 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:55,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,474 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:55,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 16:00:55,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,474 INFO L182 omatonBuilderFactory]: Interpolants [721#true, 722#false, 723#(and (= 0 |main_~#list~0.offset|) (= (select |#length| |main_~#list~0.base|) 4)), 724#(and (= 0 |main_~#list~0.offset|) (= (select |#length| |main_~#list~0.base|) 4) (= (select |#valid| |main_~#list~0.base|) 1)), 725#(and (= (select |#valid| |append_#in~plist.base|) 1) (<= 4 (select |#length| |append_#in~plist.base|)) (= 0 |append_#in~plist.offset|)), 726#(and (= append_~plist.offset 0) (<= 4 (select |#length| append_~plist.base)) (= (select |#valid| append_~plist.base) 1)), 727#(and (= append_~plist.offset 0) (<= 4 (select |#length| append_~plist.base)))] [2018-02-04 16:00:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,475 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 16:00:55,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 16:00:55,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:00:55,475 INFO L87 Difference]: Start difference. First operand 93 states and 96 transitions. Second operand 7 states. [2018-02-04 16:00:55,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:55,653 INFO L93 Difference]: Finished difference Result 123 states and 127 transitions. [2018-02-04 16:00:55,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:00:55,655 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-02-04 16:00:55,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:55,656 INFO L225 Difference]: With dead ends: 123 [2018-02-04 16:00:55,656 INFO L226 Difference]: Without dead ends: 123 [2018-02-04 16:00:55,656 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:00:55,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-02-04 16:00:55,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2018-02-04 16:00:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-02-04 16:00:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2018-02-04 16:00:55,662 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 14 [2018-02-04 16:00:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:55,663 INFO L432 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2018-02-04 16:00:55,663 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 16:00:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2018-02-04 16:00:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 16:00:55,664 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:55,664 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:55,664 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:55,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1624122010, now seen corresponding path program 1 times [2018-02-04 16:00:55,665 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:55,676 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,707 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:55,707 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 16:00:55,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,708 INFO L182 omatonBuilderFactory]: Interpolants [966#true, 967#false, 968#(= 1 (select |#valid| |append_#t~malloc1.base|)), 969#(= 1 (select |#valid| append_~item~0.base))] [2018-02-04 16:00:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,708 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 16:00:55,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 16:00:55,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:00:55,708 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 4 states. [2018-02-04 16:00:55,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:55,756 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions. [2018-02-04 16:00:55,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 16:00:55,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-02-04 16:00:55,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:55,757 INFO L225 Difference]: With dead ends: 109 [2018-02-04 16:00:55,757 INFO L226 Difference]: Without dead ends: 109 [2018-02-04 16:00:55,757 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:00:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-02-04 16:00:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-02-04 16:00:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-02-04 16:00:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2018-02-04 16:00:55,762 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 15 [2018-02-04 16:00:55,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:55,762 INFO L432 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2018-02-04 16:00:55,762 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 16:00:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-02-04 16:00:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 16:00:55,763 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:55,763 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:55,763 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:55,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1624122009, now seen corresponding path program 1 times [2018-02-04 16:00:55,764 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:55,774 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,803 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:55,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 16:00:55,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,803 INFO L182 omatonBuilderFactory]: Interpolants [1190#true, 1191#false, 1192#(and (= 8 (select |#length| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|)), 1193#(and (= (select |#length| append_~item~0.base) 8) (= append_~item~0.offset 0))] [2018-02-04 16:00:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 16:00:55,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 16:00:55,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:00:55,804 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 4 states. [2018-02-04 16:00:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:55,854 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2018-02-04 16:00:55,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 16:00:55,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-02-04 16:00:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:55,855 INFO L225 Difference]: With dead ends: 105 [2018-02-04 16:00:55,855 INFO L226 Difference]: Without dead ends: 105 [2018-02-04 16:00:55,855 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:00:55,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-02-04 16:00:55,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-02-04 16:00:55,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-02-04 16:00:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2018-02-04 16:00:55,859 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 15 [2018-02-04 16:00:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:55,859 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2018-02-04 16:00:55,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 16:00:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2018-02-04 16:00:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 16:00:55,860 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:55,860 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:55,860 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:55,860 INFO L82 PathProgramCache]: Analyzing trace with hash 146058220, now seen corresponding path program 1 times [2018-02-04 16:00:55,861 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:55,870 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,936 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:55,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 16:00:55,936 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,936 INFO L182 omatonBuilderFactory]: Interpolants [1408#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 1409#(and (= 0 (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 1410#(and (= 0 (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset))), 1411#(and (= 0 |append_#t~mem3.offset|) (= 0 |append_#t~mem3.base|)), 1412#(and (= 0 (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 1413#(and (= |append_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |append_#t~mem4.base| 0) (= 0 (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 1406#true, 1407#false] [2018-02-04 16:00:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:55,936 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 16:00:55,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 16:00:55,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:00:55,937 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand 8 states. [2018-02-04 16:00:56,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:56,104 INFO L93 Difference]: Finished difference Result 102 states and 105 transitions. [2018-02-04 16:00:56,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 16:00:56,104 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-02-04 16:00:56,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:56,105 INFO L225 Difference]: With dead ends: 102 [2018-02-04 16:00:56,105 INFO L226 Difference]: Without dead ends: 102 [2018-02-04 16:00:56,105 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:00:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-02-04 16:00:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-02-04 16:00:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-02-04 16:00:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2018-02-04 16:00:56,109 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 20 [2018-02-04 16:00:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:56,110 INFO L432 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2018-02-04 16:00:56,110 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 16:00:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2018-02-04 16:00:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 16:00:56,111 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:56,111 INFO L351 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] [2018-02-04 16:00:56,111 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:56,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1968454587, now seen corresponding path program 1 times [2018-02-04 16:00:56,112 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:56,125 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,201 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:56,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 16:00:56,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,202 INFO L182 omatonBuilderFactory]: Interpolants [1632#(and (= 0 |main_~#list~0.offset|) (= (select |#length| |main_~#list~0.base|) 4)), 1633#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.offset 0) (= |append_#in~plist.offset| append_~plist.offset))), 1634#(or (<= 4 (select |#length| |append_#in~plist.base|)) (not (= |append_#in~plist.offset| 0))), 1635#(and (< 0 (+ |main_~#list~0.offset| 1)) (<= (+ |main_~#list~0.offset| 4) (select |#length| |main_~#list~0.base|))), 1630#true, 1631#false] [2018-02-04 16:00:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,202 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 16:00:56,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 16:00:56,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:00:56,203 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 6 states. [2018-02-04 16:00:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:56,311 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2018-02-04 16:00:56,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 16:00:56,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 16:00:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:56,313 INFO L225 Difference]: With dead ends: 115 [2018-02-04 16:00:56,313 INFO L226 Difference]: Without dead ends: 115 [2018-02-04 16:00:56,313 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:00:56,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-04 16:00:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2018-02-04 16:00:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-02-04 16:00:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2018-02-04 16:00:56,317 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 30 [2018-02-04 16:00:56,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:56,317 INFO L432 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2018-02-04 16:00:56,317 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 16:00:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2018-02-04 16:00:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-04 16:00:56,318 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:56,318 INFO L351 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] [2018-02-04 16:00:56,318 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:56,318 INFO L82 PathProgramCache]: Analyzing trace with hash -892550082, now seen corresponding path program 1 times [2018-02-04 16:00:56,318 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:56,329 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,378 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:56,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 16:00:56,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,379 INFO L182 omatonBuilderFactory]: Interpolants [1858#true, 1859#false, 1860#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 1861#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 1862#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))), 1863#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 1864#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 16:00:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,379 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 16:00:56,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 16:00:56,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:00:56,380 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand 7 states. [2018-02-04 16:00:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:56,495 INFO L93 Difference]: Finished difference Result 117 states and 124 transitions. [2018-02-04 16:00:56,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 16:00:56,495 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-02-04 16:00:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:56,495 INFO L225 Difference]: With dead ends: 117 [2018-02-04 16:00:56,495 INFO L226 Difference]: Without dead ends: 117 [2018-02-04 16:00:56,496 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-02-04 16:00:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-02-04 16:00:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2018-02-04 16:00:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-02-04 16:00:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-02-04 16:00:56,499 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 31 [2018-02-04 16:00:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:56,499 INFO L432 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-02-04 16:00:56,499 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 16:00:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-02-04 16:00:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-04 16:00:56,500 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:56,500 INFO L351 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] [2018-02-04 16:00:56,500 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:56,500 INFO L82 PathProgramCache]: Analyzing trace with hash -892550081, now seen corresponding path program 1 times [2018-02-04 16:00:56,501 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:56,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,601 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:56,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 16:00:56,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,602 INFO L182 omatonBuilderFactory]: Interpolants [2096#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 2097#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (<= (+ append_~item~0.offset 8) (select |#length| append_~item~0.base))), 2098#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 2099#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))), 2100#(and (= |main_#t~mem13.offset| 0) (<= 8 (select |#length| |main_#t~mem13.base|))), 2092#true, 2093#false, 2094#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 2095#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|))] [2018-02-04 16:00:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,603 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 16:00:56,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 16:00:56,603 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:00:56,603 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 9 states. [2018-02-04 16:00:56,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:56,790 INFO L93 Difference]: Finished difference Result 120 states and 127 transitions. [2018-02-04 16:00:56,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 16:00:56,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-02-04 16:00:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:56,791 INFO L225 Difference]: With dead ends: 120 [2018-02-04 16:00:56,791 INFO L226 Difference]: Without dead ends: 120 [2018-02-04 16:00:56,791 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-02-04 16:00:56,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-02-04 16:00:56,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 103. [2018-02-04 16:00:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-02-04 16:00:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions. [2018-02-04 16:00:56,793 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 31 [2018-02-04 16:00:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:56,793 INFO L432 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions. [2018-02-04 16:00:56,793 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 16:00:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2018-02-04 16:00:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 16:00:56,794 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:56,794 INFO L351 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] [2018-02-04 16:00:56,794 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:56,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1281554978, now seen corresponding path program 1 times [2018-02-04 16:00:56,795 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:56,803 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,814 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:56,814 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 16:00:56,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,815 INFO L182 omatonBuilderFactory]: Interpolants [2338#true, 2339#false, 2340#(<= main_~length~0 0)] [2018-02-04 16:00:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,815 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 16:00:56,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 16:00:56,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 16:00:56,815 INFO L87 Difference]: Start difference. First operand 103 states and 109 transitions. Second operand 3 states. [2018-02-04 16:00:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:56,821 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2018-02-04 16:00:56,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 16:00:56,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-02-04 16:00:56,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:56,824 INFO L225 Difference]: With dead ends: 103 [2018-02-04 16:00:56,824 INFO L226 Difference]: Without dead ends: 103 [2018-02-04 16:00:56,824 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 16:00:56,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-02-04 16:00:56,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2018-02-04 16:00:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-02-04 16:00:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2018-02-04 16:00:56,827 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 33 [2018-02-04 16:00:56,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:56,827 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2018-02-04 16:00:56,827 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 16:00:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2018-02-04 16:00:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 16:00:56,828 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:56,828 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:00:56,828 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:56,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1628442402, now seen corresponding path program 1 times [2018-02-04 16:00:56,829 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:56,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:00:56,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 16:00:56,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,956 INFO L182 omatonBuilderFactory]: Interpolants [2545#true, 2546#false, 2547#(and (= 0 |main_~#list~0.offset|) (= (select |#length| |main_~#list~0.base|) 4)), 2548#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.offset 0) (= |append_#in~plist.offset| append_~plist.offset))), 2549#(and (or (<= 4 (select |#length| |append_#in~plist.base|)) (not (= |append_#in~plist.offset| 0))) (= (select |#valid| |append_#in~plist.base|) 1)), 2550#(and (<= 4 (select |#length| |main_~#list~0.base|)) (= 0 |main_~#list~0.offset|) (= (select |#valid| |main_~#list~0.base|) 1)), 2551#(and (= (select |#valid| |append_#in~plist.base|) 1) (<= 4 (select |#length| |append_#in~plist.base|)) (= 0 |append_#in~plist.offset|)), 2552#(and (= append_~plist.offset 0) (<= 4 (select |#length| append_~plist.base)) (= (select |#valid| append_~plist.base) 1)), 2553#(and (= append_~plist.offset 0) (<= 4 (select |#length| append_~plist.base)))] [2018-02-04 16:00:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:56,957 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 16:00:56,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 16:00:56,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:00:56,957 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand 9 states. [2018-02-04 16:00:57,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:57,089 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2018-02-04 16:00:57,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:00:57,090 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-02-04 16:00:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:57,090 INFO L225 Difference]: With dead ends: 100 [2018-02-04 16:00:57,091 INFO L226 Difference]: Without dead ends: 100 [2018-02-04 16:00:57,095 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-02-04 16:00:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-02-04 16:00:57,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2018-02-04 16:00:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-02-04 16:00:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 96 transitions. [2018-02-04 16:00:57,098 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 96 transitions. Word has length 34 [2018-02-04 16:00:57,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:57,099 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 96 transitions. [2018-02-04 16:00:57,099 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 16:00:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2018-02-04 16:00:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 16:00:57,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:57,100 INFO L351 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] [2018-02-04 16:00:57,100 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:57,100 INFO L82 PathProgramCache]: Analyzing trace with hash 183041674, now seen corresponding path program 1 times [2018-02-04 16:00:57,101 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:57,110 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,132 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:57,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:00:57,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,132 INFO L182 omatonBuilderFactory]: Interpolants [2752#false, 2753#(= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)), 2754#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 2755#(= 1 (select |#valid| |main_#t~mem15.base|)), 2751#true] [2018-02-04 16:00:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,133 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:00:57,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:00:57,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:00:57,133 INFO L87 Difference]: Start difference. First operand 93 states and 96 transitions. Second operand 5 states. [2018-02-04 16:00:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:57,196 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2018-02-04 16:00:57,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:00:57,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-02-04 16:00:57,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:57,197 INFO L225 Difference]: With dead ends: 92 [2018-02-04 16:00:57,197 INFO L226 Difference]: Without dead ends: 92 [2018-02-04 16:00:57,197 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:00:57,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-02-04 16:00:57,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-02-04 16:00:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-02-04 16:00:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 95 transitions. [2018-02-04 16:00:57,200 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 95 transitions. Word has length 34 [2018-02-04 16:00:57,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:57,201 INFO L432 AbstractCegarLoop]: Abstraction has 92 states and 95 transitions. [2018-02-04 16:00:57,201 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:00:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2018-02-04 16:00:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 16:00:57,201 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:57,202 INFO L351 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] [2018-02-04 16:00:57,202 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:57,202 INFO L82 PathProgramCache]: Analyzing trace with hash 183041675, now seen corresponding path program 1 times [2018-02-04 16:00:57,203 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:57,215 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,338 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:57,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 16:00:57,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,339 INFO L182 omatonBuilderFactory]: Interpolants [2944#true, 2945#false, 2946#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 2947#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 2948#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 2949#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (<= (+ append_~item~0.offset 8) (select |#length| append_~item~0.base))), 2950#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 2951#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))), 2952#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))), 2953#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 2954#(and (<= 0 |main_#t~mem15.offset|) (<= (+ |main_#t~mem15.offset| 8) (select |#length| |main_#t~mem15.base|)))] [2018-02-04 16:00:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,339 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 16:00:57,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 16:00:57,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 16:00:57,339 INFO L87 Difference]: Start difference. First operand 92 states and 95 transitions. Second operand 11 states. [2018-02-04 16:00:57,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:57,592 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2018-02-04 16:00:57,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 16:00:57,592 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2018-02-04 16:00:57,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:57,593 INFO L225 Difference]: With dead ends: 94 [2018-02-04 16:00:57,593 INFO L226 Difference]: Without dead ends: 94 [2018-02-04 16:00:57,594 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-02-04 16:00:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-02-04 16:00:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2018-02-04 16:00:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-02-04 16:00:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions. [2018-02-04 16:00:57,596 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 34 [2018-02-04 16:00:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:57,596 INFO L432 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions. [2018-02-04 16:00:57,596 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 16:00:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2018-02-04 16:00:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 16:00:57,597 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:57,597 INFO L351 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] [2018-02-04 16:00:57,597 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:57,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1082481281, now seen corresponding path program 1 times [2018-02-04 16:00:57,598 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:57,605 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,639 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:57,640 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:00:57,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,640 INFO L182 omatonBuilderFactory]: Interpolants [3154#true, 3155#false, 3156#(= main_~length~0 0), 3157#(<= 1 main_~length~0)] [2018-02-04 16:00:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,640 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 16:00:57,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 16:00:57,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:00:57,641 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand 4 states. [2018-02-04 16:00:57,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:57,661 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2018-02-04 16:00:57,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 16:00:57,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-02-04 16:00:57,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:57,663 INFO L225 Difference]: With dead ends: 90 [2018-02-04 16:00:57,663 INFO L226 Difference]: Without dead ends: 90 [2018-02-04 16:00:57,663 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:00:57,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-02-04 16:00:57,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2018-02-04 16:00:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-02-04 16:00:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2018-02-04 16:00:57,665 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 35 [2018-02-04 16:00:57,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:57,666 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2018-02-04 16:00:57,666 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 16:00:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2018-02-04 16:00:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 16:00:57,666 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:57,669 INFO L351 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] [2018-02-04 16:00:57,669 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:57,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1379324610, now seen corresponding path program 1 times [2018-02-04 16:00:57,670 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:57,687 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,946 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:57,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-04 16:00:57,946 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,946 INFO L182 omatonBuilderFactory]: Interpolants [3337#true, 3338#false, 3339#(= (select |#valid| |main_~#list~0.base|) 1), 3340#(= |#valid| |old(#valid)|), 3341#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 3342#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 3343#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 3344#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 |append_#t~malloc7.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 3345#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 |append_#t~ite8.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 3346#(and (or (= append_~plist.base append_~item~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 3347#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 3348#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))), 3349#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 3350#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))) (= |main_#t~mem15.offset| 0)), 3351#(= |main_#t~mem16.offset| 0)] [2018-02-04 16:00:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:57,947 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 16:00:57,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 16:00:57,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-02-04 16:00:57,947 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand 15 states. [2018-02-04 16:00:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:58,348 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2018-02-04 16:00:58,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 16:00:58,348 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2018-02-04 16:00:58,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:58,349 INFO L225 Difference]: With dead ends: 121 [2018-02-04 16:00:58,349 INFO L226 Difference]: Without dead ends: 121 [2018-02-04 16:00:58,350 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2018-02-04 16:00:58,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-02-04 16:00:58,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 99. [2018-02-04 16:00:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-02-04 16:00:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2018-02-04 16:00:58,353 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 35 [2018-02-04 16:00:58,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:58,353 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2018-02-04 16:00:58,353 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 16:00:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2018-02-04 16:00:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 16:00:58,354 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:58,354 INFO L351 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] [2018-02-04 16:00:58,354 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:58,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1379324611, now seen corresponding path program 1 times [2018-02-04 16:00:58,355 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:58,368 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:58,577 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:58,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-04 16:00:58,577 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:58,578 INFO L182 omatonBuilderFactory]: Interpolants [3616#(= 1 (select |#valid| |main_#t~mem16.base|)), 3602#true, 3603#false, 3604#(= (select |#valid| |main_~#list~0.base|) 1), 3605#(= |#valid| |old(#valid)|), 3606#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 3607#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 3608#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 3609#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 3610#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 3611#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 3612#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 3613#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))), 3614#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 3615#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= |main_#t~mem15.offset| 0))] [2018-02-04 16:00:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:58,578 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 16:00:58,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 16:00:58,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-02-04 16:00:58,578 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand 15 states. [2018-02-04 16:00:58,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:58,994 INFO L93 Difference]: Finished difference Result 111 states and 116 transitions. [2018-02-04 16:00:58,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 16:00:58,994 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2018-02-04 16:00:58,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:58,995 INFO L225 Difference]: With dead ends: 111 [2018-02-04 16:00:58,995 INFO L226 Difference]: Without dead ends: 111 [2018-02-04 16:00:58,996 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2018-02-04 16:00:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-02-04 16:00:58,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2018-02-04 16:00:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-02-04 16:00:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 102 transitions. [2018-02-04 16:00:58,998 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 102 transitions. Word has length 35 [2018-02-04 16:00:58,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:58,998 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 102 transitions. [2018-02-04 16:00:58,998 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 16:00:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 102 transitions. [2018-02-04 16:00:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 16:00:58,998 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:58,998 INFO L351 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, 1] [2018-02-04 16:00:58,998 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:58,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1613943773, now seen corresponding path program 1 times [2018-02-04 16:00:58,999 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:59,009 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:59,306 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:59,306 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-04 16:00:59,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:59,307 INFO L182 omatonBuilderFactory]: Interpolants [3855#true, 3856#false, 3857#(= 1 (select |#valid| |main_~#list~0.base|)), 3858#(= |#valid| |old(#valid)|), 3859#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 3860#(and (= (select |old(#valid)| |append_#t~malloc1.base|) 0) (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 3861#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0)) (= append_~plist.offset |append_#in~plist.offset|)), 3862#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0)) (= append_~plist.offset |append_#in~plist.offset|)), 3863#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc7.base| |append_#in~plist.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0)) (= append_~plist.offset |append_#in~plist.offset|)), 3864#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~ite8.base| |append_#in~plist.base|)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (or (not (= append_~plist.base append_~item~0.base)) (and (= (select |old(#valid)| |append_#in~plist.base|) 0) (= append_~plist.base |append_#in~plist.base|)))), 3865#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (not (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) |append_#in~plist.base|)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (or (not (= append_~plist.base append_~item~0.base)) (and (= (select |old(#valid)| |append_#in~plist.base|) 0) (= append_~plist.base |append_#in~plist.base|)))), 3866#(and (= 1 (select |#valid| |append_#in~plist.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) |append_#in~plist.base|)))), 3867#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| |main_~#list~0.base|))), 3868#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= 1 (select |#valid| |main_~#list~0.base|)) (= |main_#t~mem15.offset| 0)), 3869#(= 1 (select (store |#valid| |main_#t~mem16.base| 0) |main_~#list~0.base|))] [2018-02-04 16:00:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:59,307 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 16:00:59,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 16:00:59,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2018-02-04 16:00:59,307 INFO L87 Difference]: Start difference. First operand 99 states and 102 transitions. Second operand 15 states. [2018-02-04 16:00:59,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:59,812 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2018-02-04 16:00:59,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 16:00:59,812 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2018-02-04 16:00:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:59,813 INFO L225 Difference]: With dead ends: 128 [2018-02-04 16:00:59,813 INFO L226 Difference]: Without dead ends: 128 [2018-02-04 16:00:59,814 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2018-02-04 16:00:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-02-04 16:00:59,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2018-02-04 16:00:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-02-04 16:00:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2018-02-04 16:00:59,817 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 37 [2018-02-04 16:00:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:59,818 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2018-02-04 16:00:59,818 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 16:00:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2018-02-04 16:00:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 16:00:59,818 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:59,818 INFO L351 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, 1, 1] [2018-02-04 16:00:59,818 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1507350608, now seen corresponding path program 1 times [2018-02-04 16:00:59,819 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:59,828 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:00:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:59,881 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:00:59,881 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 16:00:59,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:00:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:59,881 INFO L182 omatonBuilderFactory]: Interpolants [4144#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 4145#(= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)), 4146#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)), 4147#(= |main_#t~mem17.offset| 0), 4140#true, 4141#false, 4142#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 4143#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|))] [2018-02-04 16:00:59,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:00:59,882 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 16:00:59,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 16:00:59,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:00:59,882 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand 8 states. [2018-02-04 16:00:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:00:59,945 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2018-02-04 16:00:59,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 16:00:59,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-02-04 16:00:59,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:00:59,945 INFO L225 Difference]: With dead ends: 115 [2018-02-04 16:00:59,946 INFO L226 Difference]: Without dead ends: 115 [2018-02-04 16:00:59,946 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-02-04 16:00:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-04 16:00:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-02-04 16:00:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-02-04 16:00:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 121 transitions. [2018-02-04 16:00:59,949 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 121 transitions. Word has length 38 [2018-02-04 16:00:59,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:00:59,949 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 121 transitions. [2018-02-04 16:00:59,949 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 16:00:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2018-02-04 16:00:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 16:00:59,949 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:00:59,949 INFO L351 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, 1, 1] [2018-02-04 16:00:59,950 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:00:59,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1507350609, now seen corresponding path program 1 times [2018-02-04 16:00:59,950 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:00:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:00:59,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:00,206 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:01:00,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-04 16:01:00,206 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:00,206 INFO L182 omatonBuilderFactory]: Interpolants [4388#true, 4389#false, 4390#(and (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 4391#(and (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 4392#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 4393#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 4394#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 4395#(and (= append_~plist.base |append_#in~plist.base|) (not (= append_~item~0.base |append_#t~ite8.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 4396#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))))) (= 1 (select |#valid| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 4397#(and (or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 4398#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 4399#(and (or (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (and (= 0 |main_#t~mem15.offset|) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 4400#(and (or (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 4401#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 4402#(= 1 (select |#valid| |main_#t~mem17.base|))] [2018-02-04 16:01:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:00,206 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 16:01:00,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 16:01:00,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-02-04 16:01:00,207 INFO L87 Difference]: Start difference. First operand 115 states and 121 transitions. Second operand 15 states. [2018-02-04 16:01:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:00,604 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2018-02-04 16:01:00,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 16:01:00,604 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-02-04 16:01:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:00,605 INFO L225 Difference]: With dead ends: 125 [2018-02-04 16:01:00,605 INFO L226 Difference]: Without dead ends: 125 [2018-02-04 16:01:00,605 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2018-02-04 16:01:00,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-02-04 16:01:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 116. [2018-02-04 16:01:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-02-04 16:01:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2018-02-04 16:01:00,607 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 38 [2018-02-04 16:01:00,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:00,607 INFO L432 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2018-02-04 16:01:00,607 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 16:01:00,607 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2018-02-04 16:01:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 16:01:00,608 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:00,608 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:00,608 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:00,608 INFO L82 PathProgramCache]: Analyzing trace with hash 563388428, now seen corresponding path program 1 times [2018-02-04 16:01:00,608 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:00,614 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:00,738 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:00,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 16:01:00,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:00,739 INFO L182 omatonBuilderFactory]: Interpolants [4672#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 4673#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 4674#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))), 4675#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 4676#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset))), 4677#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset))) (= |append_#t~malloc1.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset))), 4678#(or (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)))), 4679#(or (= 1 (select |#valid| |append_#t~mem3.base|)) (= append_~item~0.base |append_#t~mem3.base|)), 4680#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))), 4681#(= 1 (select |#valid| |append_#t~mem5.base|)), 4670#true, 4671#false] [2018-02-04 16:01:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:00,739 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 16:01:00,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 16:01:00,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-02-04 16:01:00,739 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand 12 states. [2018-02-04 16:01:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:01,068 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2018-02-04 16:01:01,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 16:01:01,069 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-02-04 16:01:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:01,069 INFO L225 Difference]: With dead ends: 115 [2018-02-04 16:01:01,070 INFO L226 Difference]: Without dead ends: 115 [2018-02-04 16:01:01,070 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2018-02-04 16:01:01,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-04 16:01:01,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-02-04 16:01:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-02-04 16:01:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 121 transitions. [2018-02-04 16:01:01,073 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 121 transitions. Word has length 40 [2018-02-04 16:01:01,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:01,073 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 121 transitions. [2018-02-04 16:01:01,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 16:01:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2018-02-04 16:01:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 16:01:01,074 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:01,074 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:01,074 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:01,074 INFO L82 PathProgramCache]: Analyzing trace with hash 563388429, now seen corresponding path program 1 times [2018-02-04 16:01:01,075 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:01,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:01,251 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:01,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 16:01:01,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:01,252 INFO L182 omatonBuilderFactory]: Interpolants [4928#true, 4929#false, 4930#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 4931#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 4932#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 4933#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (<= (+ append_~item~0.offset 8) (select |#length| append_~item~0.base))), 4934#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 4935#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 4936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset))) (= 0 (select (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset))), 4937#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset))) (= 0 (select (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset))), 4938#(and (= 0 |append_#t~mem3.offset|) (<= 8 (select |#length| |append_#t~mem3.base|))), 4939#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))), 4940#(and (= |append_#t~mem5.offset| 0) (<= 8 (select |#length| |append_#t~mem5.base|)))] [2018-02-04 16:01:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:01,252 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 16:01:01,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 16:01:01,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-02-04 16:01:01,253 INFO L87 Difference]: Start difference. First operand 115 states and 121 transitions. Second operand 13 states. [2018-02-04 16:01:01,891 WARN L146 SmtUtils]: Spent 237ms on a formula simplification. DAG size of input: 49 DAG size of output 42 [2018-02-04 16:01:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:01,930 INFO L93 Difference]: Finished difference Result 114 states and 120 transitions. [2018-02-04 16:01:01,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 16:01:01,930 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 40 [2018-02-04 16:01:01,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:01,931 INFO L225 Difference]: With dead ends: 114 [2018-02-04 16:01:01,931 INFO L226 Difference]: Without dead ends: 114 [2018-02-04 16:01:01,931 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:01:01,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-02-04 16:01:01,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-02-04 16:01:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-02-04 16:01:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2018-02-04 16:01:01,934 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 40 [2018-02-04 16:01:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:01,934 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2018-02-04 16:01:01,934 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 16:01:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2018-02-04 16:01:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 16:01:01,935 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:01,935 INFO L351 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, 1, 1, 1, 1] [2018-02-04 16:01:01,935 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:01,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1159956241, now seen corresponding path program 1 times [2018-02-04 16:01:01,936 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:01,944 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:02,242 WARN L146 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 13 DAG size of output 12 [2018-02-04 16:01:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:02,248 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:01:02,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 16:01:02,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:02,249 INFO L182 omatonBuilderFactory]: Interpolants [5200#(and (= (select |old(#valid)| |append_#t~malloc1.base|) 0) (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|)), 5201#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= (select |old(#valid)| append_~item~0.base) 0) (not (= append_~item~0.base 0))), 5202#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)), 5203#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_~#list~0.base|))), 5204#(and (not (= |main_#t~mem17.base| 0)) (not (= |main_~#list~0.base| |main_#t~mem17.base|)) (= 1 (select |#valid| |main_~#list~0.base|))), 5195#true, 5196#false, 5197#(= 1 (select |#valid| |main_~#list~0.base|)), 5198#(= |#valid| |old(#valid)|), 5199#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|))] [2018-02-04 16:01:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:02,249 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 16:01:02,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 16:01:02,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 16:01:02,249 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand 10 states. [2018-02-04 16:01:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:02,409 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2018-02-04 16:01:02,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 16:01:02,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2018-02-04 16:01:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:02,410 INFO L225 Difference]: With dead ends: 121 [2018-02-04 16:01:02,410 INFO L226 Difference]: Without dead ends: 121 [2018-02-04 16:01:02,410 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:01:02,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-02-04 16:01:02,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-02-04 16:01:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-04 16:01:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 125 transitions. [2018-02-04 16:01:02,411 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 125 transitions. Word has length 40 [2018-02-04 16:01:02,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:02,412 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 125 transitions. [2018-02-04 16:01:02,412 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 16:01:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2018-02-04 16:01:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 16:01:02,412 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:02,412 INFO L351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:02,412 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:02,412 INFO L82 PathProgramCache]: Analyzing trace with hash -176636398, now seen corresponding path program 1 times [2018-02-04 16:01:02,413 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:02,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:02,431 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:01:02,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 16:01:02,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:02,431 INFO L182 omatonBuilderFactory]: Interpolants [5456#(<= main_~length~0 1), 5457#(<= main_~length~0 0), 5453#true, 5454#false, 5455#(= main_~length~0 0)] [2018-02-04 16:01:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:02,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:01:02,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:01:02,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:01:02,432 INFO L87 Difference]: Start difference. First operand 119 states and 125 transitions. Second operand 5 states. [2018-02-04 16:01:02,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:02,442 INFO L93 Difference]: Finished difference Result 126 states and 134 transitions. [2018-02-04 16:01:02,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:01:02,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-02-04 16:01:02,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:02,443 INFO L225 Difference]: With dead ends: 126 [2018-02-04 16:01:02,443 INFO L226 Difference]: Without dead ends: 126 [2018-02-04 16:01:02,443 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:01:02,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-02-04 16:01:02,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2018-02-04 16:01:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-02-04 16:01:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 128 transitions. [2018-02-04 16:01:02,445 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 128 transitions. Word has length 45 [2018-02-04 16:01:02,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:02,445 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 128 transitions. [2018-02-04 16:01:02,445 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:01:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2018-02-04 16:01:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 16:01:02,445 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:02,445 INFO L351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:02,445 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:02,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2049912175, now seen corresponding path program 1 times [2018-02-04 16:01:02,446 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:02,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:03,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:01:03,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-02-04 16:01:03,449 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:03,450 INFO L182 omatonBuilderFactory]: Interpolants [5706#true, 5707#false, 5708#(= |#valid| |old(#valid)|), 5709#(= (store |#valid| |main_~#list~0.base| 0) |old(#valid)|), 5710#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 5711#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= |old(#valid)| (store |#valid| |append_#t~malloc1.base| (select |old(#valid)| |append_#t~malloc1.base|))) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 5712#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (or (and (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |#valid| |old(#valid)|))) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base))) (= append_~plist.base append_~item~0.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 5713#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~item~0.offset 0) (or (= append_~plist.base append_~item~0.base) (and (= (select |#valid| |append_#in~plist.base|) 1) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |#valid| |old(#valid)|))) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 5714#(and (or (not (= append_~plist.base append_~item~0.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|))) (= append_~item~0.offset 0) (or (= append_~plist.base append_~item~0.base) (and (= (select |#valid| |append_#in~plist.base|) 1) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)))) (not (= append_~item~0.base 0))), 5715#(and (or (not (= append_~plist.base append_~item~0.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|))) (or (= append_~plist.base append_~item~0.base) (and (not (= 0 |append_#t~malloc7.base|)) (= (store (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|)) |old(#valid)|) (not (= |append_#in~plist.base| |append_#t~malloc7.base|)) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (= 0 (select |old(#valid)| |append_#t~malloc7.base|)))) (= append_~item~0.offset 0) (not (= append_~item~0.base 0))), 5716#(and (or (= append_~plist.base append_~item~0.base) (and (not (= |append_#in~plist.base| |append_#t~ite8.base|)) (not (= 0 |append_#t~ite8.base|)) (not (= append_~item~0.base |append_#t~ite8.base|)) (= 0 (select |old(#valid)| |append_#t~ite8.base|)) (= (store (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |append_#t~ite8.base| (select |old(#valid)| |append_#t~ite8.base|)) |old(#valid)|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)))) (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 5717#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (= append_~plist.base append_~item~0.base) (and (not (= |append_#in~plist.base| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (not (= 0 (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= |old(#valid)| (store (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))))) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 5718#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) |old(#valid)|) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))))), 5719#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 5720#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) 0) |old(#valid)|) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 5721#(and (or (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem15.offset| 0)) (or (not (= |main_#t~mem15.offset| 0)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))))), 5722#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (and (or (not (= 1 (select |#valid| |main_#t~mem16.base|))) (and (not (= |main_#t~mem16.base| |main_~#list~0.base|)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) |main_#t~mem16.base| (select (store |#valid| |main_#t~mem16.base| 0) |main_#t~mem16.base|)) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem16.base|)))) (not (= 0 |main_#t~mem16.base|)))))), 5723#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 5724#(or (not (= 0 |main_#t~mem17.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (= (store (store |#valid| |main_#t~mem17.base| (select (store |#valid| |main_#t~mem17.base| 0) |main_#t~mem17.base|)) |main_~#list~0.base| 0) |old(#valid)|) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))))), 5725#(or (= |old(#valid)| (store |#valid| |main_~#list~0.base| (select (store |#valid| |main_~#list~0.base| 0) |main_~#list~0.base|))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))))] [2018-02-04 16:01:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:03,450 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 16:01:03,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 16:01:03,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2018-02-04 16:01:03,450 INFO L87 Difference]: Start difference. First operand 122 states and 128 transitions. Second operand 20 states. [2018-02-04 16:01:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:04,620 INFO L93 Difference]: Finished difference Result 128 states and 135 transitions. [2018-02-04 16:01:04,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 16:01:04,620 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 47 [2018-02-04 16:01:04,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:04,621 INFO L225 Difference]: With dead ends: 128 [2018-02-04 16:01:04,621 INFO L226 Difference]: Without dead ends: 109 [2018-02-04 16:01:04,621 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:01:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-02-04 16:01:04,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2018-02-04 16:01:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-02-04 16:01:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2018-02-04 16:01:04,623 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 47 [2018-02-04 16:01:04,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:04,623 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2018-02-04 16:01:04,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 16:01:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2018-02-04 16:01:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 16:01:04,624 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:04,624 INFO L351 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] [2018-02-04 16:01:04,624 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1188291934, now seen corresponding path program 1 times [2018-02-04 16:01:04,625 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:04,634 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:04,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:04,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 16:01:04,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:04,722 INFO L182 omatonBuilderFactory]: Interpolants [5989#true, 5990#false, 5991#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 5992#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|)), 5993#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 5994#(not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)), 5995#(not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)), 5996#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|), 5997#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 5998#(and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 5999#(= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)), 6000#(and (= |append_#t~mem4.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))), 6001#(and (= 0 (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))), 6002#(= 0 (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))] [2018-02-04 16:01:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:04,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 16:01:04,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 16:01:04,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:01:04,723 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand 14 states. [2018-02-04 16:01:04,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:04,981 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2018-02-04 16:01:04,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:01:04,982 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-02-04 16:01:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:04,982 INFO L225 Difference]: With dead ends: 94 [2018-02-04 16:01:04,982 INFO L226 Difference]: Without dead ends: 87 [2018-02-04 16:01:04,982 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2018-02-04 16:01:04,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-02-04 16:01:04,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-02-04 16:01:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-02-04 16:01:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2018-02-04 16:01:04,984 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 55 [2018-02-04 16:01:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:04,985 INFO L432 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2018-02-04 16:01:04,985 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 16:01:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-02-04 16:01:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 16:01:04,985 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:04,985 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:04,986 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:04,986 INFO L82 PathProgramCache]: Analyzing trace with hash 579137738, now seen corresponding path program 1 times [2018-02-04 16:01:04,986 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:05,002 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:05,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:05,741 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:05,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:01:05,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:05,742 INFO L182 omatonBuilderFactory]: Interpolants [6218#true, 6219#false, 6220#(= (select |#valid| |main_~#list~0.base|) 1), 6221#(= |#valid| |old(#valid)|), 6222#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 6223#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 6224#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6225#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 |append_#t~malloc7.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 6226#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 |append_#t~ite8.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 6227#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= (select |#valid| append_~item~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) (+ append_~item~0.offset 4))))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6228#(and (= (select |#valid| |append_#in~plist.base|) 1) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 6229#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 6230#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6231#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6232#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6233#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6234#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6235#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 6236#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 6237#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|)), 6238#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|)), 6239#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base))) (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| append_~item~0.base)))))) (= append_~plist.offset |append_#in~plist.offset|)), 6240#(and (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 6241#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))), 6242#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 6243#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))) (= |main_#t~mem15.offset| 0)), 6244#(= |main_#t~mem16.offset| 0)] [2018-02-04 16:01:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:05,743 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 16:01:05,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 16:01:05,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-02-04 16:01:05,743 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 27 states. [2018-02-04 16:01:07,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:07,683 INFO L93 Difference]: Finished difference Result 134 states and 138 transitions. [2018-02-04 16:01:07,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 16:01:07,684 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 56 [2018-02-04 16:01:07,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:07,684 INFO L225 Difference]: With dead ends: 134 [2018-02-04 16:01:07,684 INFO L226 Difference]: Without dead ends: 134 [2018-02-04 16:01:07,685 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=423, Invalid=3737, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 16:01:07,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-02-04 16:01:07,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 99. [2018-02-04 16:01:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-02-04 16:01:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2018-02-04 16:01:07,687 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 56 [2018-02-04 16:01:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:07,687 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2018-02-04 16:01:07,687 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 16:01:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2018-02-04 16:01:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 16:01:07,688 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:07,688 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:07,688 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:07,688 INFO L82 PathProgramCache]: Analyzing trace with hash 579137739, now seen corresponding path program 1 times [2018-02-04 16:01:07,689 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:07,699 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:08,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:08,740 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 16:01:08,740 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:08,740 INFO L182 omatonBuilderFactory]: Interpolants [6554#true, 6555#false, 6556#(= (select |#valid| |main_~#list~0.base|) 1), 6557#(= |#valid| |old(#valid)|), 6558#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 6559#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 6560#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6561#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6562#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6563#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= (select |#valid| append_~item~0.base) 1))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6564#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 6565#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 6566#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6567#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6568#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6569#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 6570#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 6571#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 6572#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 6573#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (and (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 6574#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= 0 (select |old(#valid)| append_~item~0.base))))), 6575#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= 0 (select |old(#valid)| append_~item~0.base))))), 6576#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base append_~plist.base) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|)), 6577#(and (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 6578#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))), 6579#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 6580#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= |main_#t~mem15.offset| 0)), 6581#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-02-04 16:01:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:08,740 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 16:01:08,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 16:01:08,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2018-02-04 16:01:08,741 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand 28 states. [2018-02-04 16:01:09,962 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 105 DAG size of output 82 [2018-02-04 16:01:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:11,508 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2018-02-04 16:01:11,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 16:01:11,508 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 56 [2018-02-04 16:01:11,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:11,509 INFO L225 Difference]: With dead ends: 125 [2018-02-04 16:01:11,509 INFO L226 Difference]: Without dead ends: 125 [2018-02-04 16:01:11,509 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1070 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=429, Invalid=3731, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 16:01:11,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-02-04 16:01:11,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 99. [2018-02-04 16:01:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-02-04 16:01:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 102 transitions. [2018-02-04 16:01:11,511 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 102 transitions. Word has length 56 [2018-02-04 16:01:11,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:11,511 INFO L432 AbstractCegarLoop]: Abstraction has 99 states and 102 transitions. [2018-02-04 16:01:11,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 16:01:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 102 transitions. [2018-02-04 16:01:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 16:01:11,512 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:11,512 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:11,512 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:11,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1794381781, now seen corresponding path program 1 times [2018-02-04 16:01:11,512 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:11,522 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:12,207 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:12,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:01:12,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:12,208 INFO L182 omatonBuilderFactory]: Interpolants [6880#true, 6881#false, 6882#(= (select |#valid| |main_~#list~0.base|) 1), 6883#(= |#valid| |old(#valid)|), 6884#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 6885#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 6886#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6887#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 6888#(and (not (= append_~plist.base |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 6889#(and (not (= |append_#in~plist.base| |append_#t~ite8.base|)) (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6890#(and (= append_~plist.base |append_#in~plist.base|) (or (and (not (= |append_#in~plist.base| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= (select |#valid| append_~item~0.base) 1)) (= append_~plist.base append_~item~0.base)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 6891#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1))) (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 6892#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 6893#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6894#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6895#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6896#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6897#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 6898#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 6899#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 6900#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (or (and (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|)), 6901#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|)), 6902#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| append_~item~0.base)))) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base))))) (= 1 (select |#valid| append_~plist.base)) (= append_~plist.offset |append_#in~plist.offset|)), 6903#(and (= 1 (select |#valid| |append_#in~plist.base|)) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 6904#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| |main_~#list~0.base|))), 6905#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= 1 (select |#valid| |main_~#list~0.base|)) (= |main_#t~mem15.offset| 0)), 6906#(= 1 (select (store |#valid| |main_#t~mem16.base| 0) |main_~#list~0.base|))] [2018-02-04 16:01:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:12,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 16:01:12,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 16:01:12,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-02-04 16:01:12,208 INFO L87 Difference]: Start difference. First operand 99 states and 102 transitions. Second operand 27 states. [2018-02-04 16:01:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:14,022 INFO L93 Difference]: Finished difference Result 129 states and 133 transitions. [2018-02-04 16:01:14,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 16:01:14,023 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 58 [2018-02-04 16:01:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:14,023 INFO L225 Difference]: With dead ends: 129 [2018-02-04 16:01:14,023 INFO L226 Difference]: Without dead ends: 129 [2018-02-04 16:01:14,024 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 978 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=424, Invalid=3236, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 16:01:14,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-02-04 16:01:14,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 101. [2018-02-04 16:01:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-02-04 16:01:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 104 transitions. [2018-02-04 16:01:14,027 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 104 transitions. Word has length 58 [2018-02-04 16:01:14,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:14,028 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 104 transitions. [2018-02-04 16:01:14,028 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 16:01:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 104 transitions. [2018-02-04 16:01:14,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-02-04 16:01:14,028 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:14,028 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:14,028 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:14,029 INFO L82 PathProgramCache]: Analyzing trace with hash 208739657, now seen corresponding path program 1 times [2018-02-04 16:01:14,029 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:14,044 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:14,897 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:14,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 16:01:14,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:14,898 INFO L182 omatonBuilderFactory]: Interpolants [7232#(= 1 (select |#valid| |main_#t~mem17.base|)), 7205#true, 7206#false, 7207#(= (select |#valid| |main_~#list~0.base|) 1), 7208#(= |#valid| |old(#valid)|), 7209#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 7210#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 7211#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 7212#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 7213#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 7214#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= (select |#valid| append_~item~0.base) 1))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 7215#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 7216#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 7217#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7218#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7219#(and (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 1 (select |#valid| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7220#(and (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7221#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 1 (select |#valid| append_~item~0.base)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7222#(and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 7223#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 7224#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= 1 (select |#valid| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 7225#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= 1 (select |#valid| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 7226#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= 1 (select |#valid| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 7227#(and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 7228#(and (or (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7229#(and (= 0 |main_#t~mem15.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7230#(and (or (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7231#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))] [2018-02-04 16:01:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:14,898 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 16:01:14,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 16:01:14,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2018-02-04 16:01:14,899 INFO L87 Difference]: Start difference. First operand 101 states and 104 transitions. Second operand 28 states. [2018-02-04 16:01:16,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:16,595 INFO L93 Difference]: Finished difference Result 116 states and 120 transitions. [2018-02-04 16:01:16,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 16:01:16,595 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 59 [2018-02-04 16:01:16,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:16,596 INFO L225 Difference]: With dead ends: 116 [2018-02-04 16:01:16,596 INFO L226 Difference]: Without dead ends: 116 [2018-02-04 16:01:16,597 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=313, Invalid=2879, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 16:01:16,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-02-04 16:01:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 102. [2018-02-04 16:01:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-02-04 16:01:16,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 105 transitions. [2018-02-04 16:01:16,599 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 105 transitions. Word has length 59 [2018-02-04 16:01:16,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:16,599 INFO L432 AbstractCegarLoop]: Abstraction has 102 states and 105 transitions. [2018-02-04 16:01:16,599 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 16:01:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 105 transitions. [2018-02-04 16:01:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 16:01:16,600 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:16,600 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:16,600 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:16,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1264652791, now seen corresponding path program 1 times [2018-02-04 16:01:16,601 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:16,610 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:16,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:16,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 16:01:16,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:16,722 INFO L182 omatonBuilderFactory]: Interpolants [7520#(and (not (= |main_#t~mem17.base| 0)) (not (= |main_~#list~0.base| |main_#t~mem17.base|)) (= 1 (select |#valid| |main_~#list~0.base|))), 7509#true, 7510#false, 7511#(= append_~plist.base |append_#in~plist.base|), 7512#(= 1 (select |#valid| |append_#in~plist.base|)), 7513#(= 1 (select |#valid| |main_~#list~0.base|)), 7514#(= |#valid| |old(#valid)|), 7515#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 7516#(and (= (select |old(#valid)| |append_#t~malloc1.base|) 0) (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|)), 7517#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= (select |old(#valid)| append_~item~0.base) 0) (not (= append_~item~0.base 0))), 7518#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)), 7519#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_~#list~0.base|)))] [2018-02-04 16:01:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:16,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 16:01:16,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 16:01:16,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-02-04 16:01:16,723 INFO L87 Difference]: Start difference. First operand 102 states and 105 transitions. Second operand 12 states. [2018-02-04 16:01:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:16,908 INFO L93 Difference]: Finished difference Result 101 states and 104 transitions. [2018-02-04 16:01:16,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 16:01:16,908 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2018-02-04 16:01:16,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:16,909 INFO L225 Difference]: With dead ends: 101 [2018-02-04 16:01:16,909 INFO L226 Difference]: Without dead ends: 101 [2018-02-04 16:01:16,909 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-02-04 16:01:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-02-04 16:01:16,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-02-04 16:01:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-02-04 16:01:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 104 transitions. [2018-02-04 16:01:16,912 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 104 transitions. Word has length 61 [2018-02-04 16:01:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:16,912 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 104 transitions. [2018-02-04 16:01:16,912 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 16:01:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 104 transitions. [2018-02-04 16:01:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 16:01:16,913 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:16,913 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:16,913 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:16,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1335954918, now seen corresponding path program 1 times [2018-02-04 16:01:16,914 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:16,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:18,279 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:18,279 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 16:01:18,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:18,279 INFO L182 omatonBuilderFactory]: Interpolants [7744#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 7745#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 7746#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 7747#(and (= append_~plist.base |append_#in~plist.base|) (not (= append_~item~0.base |append_#t~ite8.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 7748#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 7749#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 7750#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 7751#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7752#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7753#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7754#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7755#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 7756#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 7757#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (not (= |append_#t~mem5.offset| 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 7758#(and (= append_~plist.base |append_#in~plist.base|) (= 0 append_~item~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 7759#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 7760#(and (or (= append_~item~0.base append_~plist.base) (and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))) (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 7761#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|))), 7762#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7763#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7764#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| |main_#t~mem14.base|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7765#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| main_~next~0.base))))), 7766#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem15.offset| 0) (= 1 (select |#valid| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7767#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select (store |#valid| |main_#t~mem16.base| 0) main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7768#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 7769#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= 1 (select (store |#valid| |main_#t~mem17.base| 0) main_~next~0.base)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 7770#(or (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))), 7771#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 7772#(= 1 (select |#valid| |main_#t~mem20.base|)), 7738#true, 7739#false, 7740#(= (select |#valid| |main_~#list~0.base|) 1), 7741#(= |#valid| |old(#valid)|), 7742#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 7743#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|))] [2018-02-04 16:01:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:18,280 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 16:01:18,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 16:01:18,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1100, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 16:01:18,280 INFO L87 Difference]: Start difference. First operand 101 states and 104 transitions. Second operand 35 states. [2018-02-04 16:01:19,434 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 97 DAG size of output 77 [2018-02-04 16:01:20,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:20,459 INFO L93 Difference]: Finished difference Result 130 states and 135 transitions. [2018-02-04 16:01:20,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 16:01:20,459 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 66 [2018-02-04 16:01:20,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:20,460 INFO L225 Difference]: With dead ends: 130 [2018-02-04 16:01:20,460 INFO L226 Difference]: Without dead ends: 130 [2018-02-04 16:01:20,460 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 16:01:20,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-02-04 16:01:20,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 108. [2018-02-04 16:01:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-02-04 16:01:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2018-02-04 16:01:20,462 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 66 [2018-02-04 16:01:20,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:20,462 INFO L432 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2018-02-04 16:01:20,463 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 16:01:20,463 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2018-02-04 16:01:20,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 16:01:20,463 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:20,463 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:20,463 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:20,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1335954917, now seen corresponding path program 1 times [2018-02-04 16:01:20,464 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:20,475 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:21,118 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:21,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 16:01:21,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:21,119 INFO L182 omatonBuilderFactory]: Interpolants [8096#(or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (and (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))), 8097#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8098#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8099#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 |main_#t~mem14.offset|) (<= 8 (select |#length| |main_#t~mem14.base|)))), 8100#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (<= 8 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset))), 8101#(or (and (<= 8 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8102#(or (and (<= 8 (select |#length| main_~next~0.base)) (= 0 main_~next~0.offset)) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8103#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))), 8104#(and (<= 8 (select |#length| |main_#t~mem20.base|)) (= |main_#t~mem20.offset| 0)), 8081#true, 8082#false, 8083#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 8084#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 8085#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 8086#(= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)), 8087#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)), 8088#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|), 8089#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8090#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8091#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 8092#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 8093#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))))), 8094#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))))), 8095#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))))] [2018-02-04 16:01:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:21,119 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 16:01:21,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 16:01:21,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2018-02-04 16:01:21,120 INFO L87 Difference]: Start difference. First operand 108 states and 113 transitions. Second operand 24 states. [2018-02-04 16:01:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:22,184 INFO L93 Difference]: Finished difference Result 129 states and 134 transitions. [2018-02-04 16:01:22,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 16:01:22,184 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 66 [2018-02-04 16:01:22,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:22,185 INFO L225 Difference]: With dead ends: 129 [2018-02-04 16:01:22,185 INFO L226 Difference]: Without dead ends: 129 [2018-02-04 16:01:22,185 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=308, Invalid=2142, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 16:01:22,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-02-04 16:01:22,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2018-02-04 16:01:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-02-04 16:01:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 118 transitions. [2018-02-04 16:01:22,187 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 118 transitions. Word has length 66 [2018-02-04 16:01:22,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:22,187 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 118 transitions. [2018-02-04 16:01:22,187 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 16:01:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2018-02-04 16:01:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 16:01:22,188 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:22,188 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:22,188 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:22,188 INFO L82 PathProgramCache]: Analyzing trace with hash 341344119, now seen corresponding path program 1 times [2018-02-04 16:01:22,189 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:22,199 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:01:22,232 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:22,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-04 16:01:22,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:22,233 INFO L182 omatonBuilderFactory]: Interpolants [8400#false, 8401#(= main_~length~0 0), 8402#(<= 1 main_~length~0), 8403#(<= 2 main_~length~0), 8399#true] [2018-02-04 16:01:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:01:22,233 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:01:22,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:01:22,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:01:22,233 INFO L87 Difference]: Start difference. First operand 112 states and 118 transitions. Second operand 5 states. [2018-02-04 16:01:22,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:22,253 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2018-02-04 16:01:22,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:01:22,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-02-04 16:01:22,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:22,254 INFO L225 Difference]: With dead ends: 112 [2018-02-04 16:01:22,254 INFO L226 Difference]: Without dead ends: 112 [2018-02-04 16:01:22,255 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:01:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-02-04 16:01:22,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-02-04 16:01:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-02-04 16:01:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2018-02-04 16:01:22,257 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 68 [2018-02-04 16:01:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:22,257 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2018-02-04 16:01:22,257 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:01:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2018-02-04 16:01:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 16:01:22,258 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:22,258 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:22,258 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:22,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2029014614, now seen corresponding path program 1 times [2018-02-04 16:01:22,259 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:22,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:22,663 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:22,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 16:01:22,663 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:22,664 INFO L182 omatonBuilderFactory]: Interpolants [8640#(and (= (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.base |append_#in~plist.base|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 8641#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|)))), 8642#(or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|))), 8643#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8644#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8645#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 |main_#t~mem14.offset|)), 8646#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 main_~next~0.offset)), 8647#(or (= 0 main_~next~0.offset) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8648#(or (= 0 main_~next~0.offset) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 8649#(= 0 |main_#t~mem22.offset|), 8628#true, 8629#false, 8630#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 8631#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 8632#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 8633#(= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)), 8634#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)), 8635#(= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|), 8636#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8637#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8638#(and (= append_~plist.base |append_#in~plist.base|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 8639#(and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset)) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 16:01:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:22,664 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 16:01:22,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 16:01:22,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 16:01:22,664 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand 22 states. [2018-02-04 16:01:23,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:23,438 INFO L93 Difference]: Finished difference Result 120 states and 123 transitions. [2018-02-04 16:01:23,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 16:01:23,439 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 69 [2018-02-04 16:01:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:23,439 INFO L225 Difference]: With dead ends: 120 [2018-02-04 16:01:23,439 INFO L226 Difference]: Without dead ends: 120 [2018-02-04 16:01:23,440 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=283, Invalid=1787, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 16:01:23,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-02-04 16:01:23,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2018-02-04 16:01:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-02-04 16:01:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 120 transitions. [2018-02-04 16:01:23,442 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 120 transitions. Word has length 69 [2018-02-04 16:01:23,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:23,442 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 120 transitions. [2018-02-04 16:01:23,442 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 16:01:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2018-02-04 16:01:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 16:01:23,443 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:23,443 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:23,443 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:23,443 INFO L82 PathProgramCache]: Analyzing trace with hash 2029014615, now seen corresponding path program 1 times [2018-02-04 16:01:23,444 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:23,453 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-02-04 16:01:23,486 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:01:23,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:01:23,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:23,487 INFO L182 omatonBuilderFactory]: Interpolants [8934#true, 8935#false, 8936#(= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)), 8937#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 8938#(= 1 (select |#valid| |main_#t~mem22.base|))] [2018-02-04 16:01:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-02-04 16:01:23,487 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:01:23,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:01:23,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:01:23,488 INFO L87 Difference]: Start difference. First operand 115 states and 120 transitions. Second operand 5 states. [2018-02-04 16:01:23,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:23,533 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2018-02-04 16:01:23,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:01:23,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-02-04 16:01:23,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:23,533 INFO L225 Difference]: With dead ends: 114 [2018-02-04 16:01:23,533 INFO L226 Difference]: Without dead ends: 114 [2018-02-04 16:01:23,533 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:01:23,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-02-04 16:01:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-02-04 16:01:23,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-02-04 16:01:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2018-02-04 16:01:23,536 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 69 [2018-02-04 16:01:23,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:23,536 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2018-02-04 16:01:23,536 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:01:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2018-02-04 16:01:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 16:01:23,537 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:23,537 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:23,537 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:23,537 INFO L82 PathProgramCache]: Analyzing trace with hash -32106665, now seen corresponding path program 1 times [2018-02-04 16:01:23,538 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:23,549 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:24,042 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:24,042 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 16:01:24,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:24,043 INFO L182 omatonBuilderFactory]: Interpolants [9171#true, 9172#false, 9173#(= 1 (select |#valid| |main_~#list~0.base|)), 9174#(= |#valid| |old(#valid)|), 9175#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 9176#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|)), 9177#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 9178#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 9179#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 9180#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|), 9181#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 9182#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 9183#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 9184#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 9185#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 9186#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))), 9187#(or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 9188#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 9189#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))))), 9190#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| 0)))), 9191#(or (and (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 9192#(or (and (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 9193#(or (and (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 9194#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_~#list~0.base|))), 9195#(and (not (= |main_#t~mem22.base| 0)) (not (= |main_~#list~0.base| |main_#t~mem22.base|)) (= 1 (select |#valid| |main_~#list~0.base|)))] [2018-02-04 16:01:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:24,043 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 16:01:24,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 16:01:24,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2018-02-04 16:01:24,043 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand 25 states. [2018-02-04 16:01:24,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:24,755 INFO L93 Difference]: Finished difference Result 138 states and 144 transitions. [2018-02-04 16:01:24,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 16:01:24,756 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2018-02-04 16:01:24,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:24,756 INFO L225 Difference]: With dead ends: 138 [2018-02-04 16:01:24,756 INFO L226 Difference]: Without dead ends: 138 [2018-02-04 16:01:24,757 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=194, Invalid=1698, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 16:01:24,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-02-04 16:01:24,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 119. [2018-02-04 16:01:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-04 16:01:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 123 transitions. [2018-02-04 16:01:24,758 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 123 transitions. Word has length 71 [2018-02-04 16:01:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:24,759 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 123 transitions. [2018-02-04 16:01:24,759 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 16:01:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2018-02-04 16:01:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 16:01:24,759 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:24,759 INFO L351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:24,759 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:24,759 INFO L82 PathProgramCache]: Analyzing trace with hash 918170282, now seen corresponding path program 1 times [2018-02-04 16:01:24,760 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:24,767 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:01:24,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:24,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 16:01:24,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:24,808 INFO L182 omatonBuilderFactory]: Interpolants [9492#true, 9493#false, 9494#(= main_~length~0 0), 9495#(<= main_~length~0 1), 9496#(<= main_~length~0 2), 9497#(<= main_~length~0 0)] [2018-02-04 16:01:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:01:24,809 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 16:01:24,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 16:01:24,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:01:24,809 INFO L87 Difference]: Start difference. First operand 119 states and 123 transitions. Second operand 6 states. [2018-02-04 16:01:24,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:24,830 INFO L93 Difference]: Finished difference Result 125 states and 130 transitions. [2018-02-04 16:01:24,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:01:24,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2018-02-04 16:01:24,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:24,831 INFO L225 Difference]: With dead ends: 125 [2018-02-04 16:01:24,831 INFO L226 Difference]: Without dead ends: 125 [2018-02-04 16:01:24,831 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:01:24,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-02-04 16:01:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2018-02-04 16:01:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-02-04 16:01:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 126 transitions. [2018-02-04 16:01:24,833 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 126 transitions. Word has length 76 [2018-02-04 16:01:24,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:24,833 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 126 transitions. [2018-02-04 16:01:24,833 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 16:01:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2018-02-04 16:01:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 16:01:24,834 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:24,834 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:24,834 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:24,836 INFO L82 PathProgramCache]: Analyzing trace with hash 251881410, now seen corresponding path program 2 times [2018-02-04 16:01:24,837 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:24,859 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 16:01:26,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:26,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 16:01:26,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:01:26,140 INFO L182 omatonBuilderFactory]: Interpolants [9745#true, 9746#false, 9747#(= (select |#valid| |main_~#list~0.base|) 1), 9748#(= |#valid| |old(#valid)|), 9749#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 9750#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 9751#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 9752#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 |append_#t~malloc7.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 9753#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 |append_#t~ite8.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 9754#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) (+ append_~item~0.offset 4))) (= append_~plist.offset |append_#in~plist.offset|)))), 9755#(or (and (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 9756#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 9757#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9758#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9759#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9760#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9761#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= (select |#valid| |append_#in~plist.base|) 1) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9762#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 9763#(and (= append_~plist.base |append_#in~plist.base|) (or (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1)) (not (= |append_#t~mem5.offset| 0))) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))) (= (select |#valid| |append_#in~plist.base|) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 9764#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 9765#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (or (and (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.offset|) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 9766#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (= append_~plist.offset |append_#in~plist.offset|) (or (and (or (= append_~plist.base append_~item~0.base) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 0 (select |old(#valid)| append_~item~0.base))), 9767#(and (= (select |#valid| |append_#in~plist.base|) 1) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))))), 9768#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 9769#(and (or (= append_~item~0.base append_~plist.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base)))), 9770#(and (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base)))), 9771#(and (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= |append_#t~mem5.offset| 0))) (= append_~item~0.offset 0) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|))) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base)))), 9772#(and (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|))) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base)))), 9773#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|)))), 9774#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~item~0.base append_~plist.base)) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base)))), 9775#(or (and (or (= (select (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 9776#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))), 9777#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 9778#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))) (= |main_#t~mem15.offset| 0)), 9779#(= |main_#t~mem16.offset| 0)] [2018-02-04 16:01:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 16:01:26,140 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 16:01:26,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 16:01:26,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1103, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 16:01:26,140 INFO L87 Difference]: Start difference. First operand 122 states and 126 transitions. Second operand 35 states. [2018-02-04 16:01:27,260 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 105 DAG size of output 81 [2018-02-04 16:01:27,401 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 114 DAG size of output 84 [2018-02-04 16:01:27,539 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 121 DAG size of output 88 [2018-02-04 16:01:28,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:28,004 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2018-02-04 16:01:28,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 16:01:28,005 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 77 [2018-02-04 16:01:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:28,005 INFO L225 Difference]: With dead ends: 121 [2018-02-04 16:01:28,005 INFO L226 Difference]: Without dead ends: 121 [2018-02-04 16:01:28,006 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=337, Invalid=3203, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 16:01:28,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-02-04 16:01:28,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-02-04 16:01:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-02-04 16:01:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2018-02-04 16:01:28,007 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 77 [2018-02-04 16:01:28,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:28,007 INFO L432 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2018-02-04 16:01:28,007 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 16:01:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2018-02-04 16:01:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 16:01:28,008 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:28,008 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:28,008 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:28,008 INFO L82 PathProgramCache]: Analyzing trace with hash 251881411, now seen corresponding path program 2 times [2018-02-04 16:01:28,009 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:28,033 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 16:01:29,786 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:29,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 16:01:29,787 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:01:29,787 INFO L182 omatonBuilderFactory]: Interpolants [10072#true, 10073#false, 10074#(= (select |#valid| |main_~#list~0.base|) 1), 10075#(= |#valid| |old(#valid)|), 10076#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 10077#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 10078#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 10079#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select |#valid| |append_#t~malloc7.base|) 1) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 10080#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 10081#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))) 1) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~plist.base append_~item~0.base)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 10082#(or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 10083#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) 1) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 10084#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10085#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10086#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10087#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10088#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= (select |#valid| |append_#in~plist.base|) 1) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10089#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10090#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (or (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= |append_#t~mem5.offset| 0))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 10091#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= (select |#valid| |append_#in~plist.base|) 1) (or (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10092#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= (select |#valid| |append_#in~plist.base|) 1))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10093#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= (select |#valid| |append_#in~plist.base|) 1) (or (= append_~plist.base append_~item~0.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10094#(or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select |#valid| |append_#in~plist.base|) 1) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= 0 (select |old(#valid)| |append_#in~plist.base|))))), 10095#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10096#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10097#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= (select |#valid| append_~item~0.base) 1)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10098#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10099#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (and (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= |append_#t~mem5.offset| 0))) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 10100#(and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10101#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10102#(and (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)))) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= append_~item~0.base append_~plist.base)))), 10103#(or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (= 1 (select |#valid| (@diff |old(#valid)| |#valid|))) (= |#valid| |old(#valid)|)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 10104#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))), 10105#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 10106#(and (= 0 |main_#t~mem15.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))))), 10107#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-02-04 16:01:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 16:01:29,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 16:01:29,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 16:01:29,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1161, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:01:29,788 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand 36 states. [2018-02-04 16:01:31,432 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 118 DAG size of output 79 [2018-02-04 16:01:31,656 WARN L146 SmtUtils]: Spent 175ms on a formula simplification. DAG size of input: 133 DAG size of output 90 [2018-02-04 16:01:31,829 WARN L146 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 100 DAG size of output 77 [2018-02-04 16:01:32,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:32,175 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2018-02-04 16:01:32,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 16:01:32,175 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 77 [2018-02-04 16:01:32,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:32,176 INFO L225 Difference]: With dead ends: 120 [2018-02-04 16:01:32,176 INFO L226 Difference]: Without dead ends: 120 [2018-02-04 16:01:32,176 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=353, Invalid=3307, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 16:01:32,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-02-04 16:01:32,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-02-04 16:01:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-02-04 16:01:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 124 transitions. [2018-02-04 16:01:32,178 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 124 transitions. Word has length 77 [2018-02-04 16:01:32,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:32,178 INFO L432 AbstractCegarLoop]: Abstraction has 120 states and 124 transitions. [2018-02-04 16:01:32,178 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 16:01:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2018-02-04 16:01:32,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 16:01:32,178 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:32,178 INFO L351 BasicCegarLoop]: trace histogram [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, 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] [2018-02-04 16:01:32,178 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:32,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1892144135, now seen corresponding path program 1 times [2018-02-04 16:01:32,179 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:32,192 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:35,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:35,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 16:01:35,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:35,867 INFO L182 omatonBuilderFactory]: Interpolants [10432#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |old(#valid)|) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10433#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= |old(#valid)| (store (store |#valid| |main_~#list~0.base| 0) |main_#t~mem22.base| (select (store |#valid| |main_#t~mem22.base| 0) |main_#t~mem22.base|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 10434#(or (= |old(#valid)| (store |#valid| |main_~#list~0.base| (select (store |#valid| |main_~#list~0.base| 0) |main_~#list~0.base|))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10398#true, 10399#false, 10400#(= |#valid| |old(#valid)|), 10401#(= (store |#valid| |main_~#list~0.base| 0) |old(#valid)|), 10402#(and (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10403#(and (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= |old(#valid)| (store |#valid| |append_#t~malloc1.base| (select |old(#valid)| |append_#t~malloc1.base|))) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10404#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |#valid| |old(#valid)|))) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 10405#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 10406#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (not (= 0 |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (= |old(#valid)| (store (store |#valid| |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|)) append_~item~0.base (select |old(#valid)| append_~item~0.base))) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= 0 (select |old(#valid)| |append_#t~malloc7.base|)) (not (= append_~item~0.base 0))), 10407#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (not (= 0 |append_#t~ite8.base|)) (not (= append_~item~0.base |append_#t~ite8.base|)) (= 1 (select |#valid| |append_#t~ite8.base|)) (= 0 (select |old(#valid)| |append_#t~ite8.base|)) (= (store (store |#valid| |append_#t~ite8.base| (select |old(#valid)| |append_#t~ite8.base|)) append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 10408#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (not (= 0 (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= (store (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (select |old(#valid)| (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|))) |old(#valid)|) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| append_~item~0.base))))), 10409#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= |old(#valid)| (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 10410#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_~#list~0.base|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (or (and (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 10411#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10412#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10413#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10414#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (not (= append_~item~0.base 0))), 10415#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (or (= append_~item~0.base append_~plist.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 10416#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)) (or (and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.base append_~plist.base))), 10417#(and (or (= append_~item~0.base append_~plist.base) (and (or (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (not (= |append_#t~mem5.base| append_~item~0.base))) (= append_~plist.base |append_#in~plist.base|) (or (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= |append_#t~mem5.base| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)))) (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 10418#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (and (not (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= |append_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 4)) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base))))) (and (= append_~plist.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))))))) (not (= append_~item~0.base 0))), 10419#(and (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (and (= append_~plist.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select (select (store |#memory_$Pointer$.base| append_~item~0.base (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|)) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) 4) |append_#t~ite8.base|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base))))) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))))))) (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 10420#(and (or (= append_~item~0.base append_~plist.base) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= append_~plist.base (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (and (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) 4)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.base |append_#in~plist.base|) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 10421#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~plist.base|)) (= |#memory_$Pointer$.base| (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) 4)) (or (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|))) (= |#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|))))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) |old(#valid)|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|))), 10422#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 0 (select (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10423#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10424#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= |main_~#list~0.base| |main_#t~mem14.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (= 0 (select (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|)) (and (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) |main_#t~mem14.base| 0)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))))) (not (= |main_#t~mem14.base| 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10425#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) main_~next~0.base 0))) (= 0 (select (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10426#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= main_~next~0.base 0)) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (or (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) 0) main_~next~0.base 0) |old(#valid)|) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))))) (and (= 0 (select (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))))) (= |main_#t~mem15.offset| 0)) (= |main_~#list~0.base| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10427#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (and (or (not (= 1 (select |#valid| |main_#t~mem16.base|))) (and (or (not (= (select (store (store |#valid| |main_#t~mem16.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|) (select |#valid| |main_#t~mem16.base|))) (and (not (= main_~next~0.base |main_#t~mem16.base|)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) |main_#t~mem16.base| (select (store |#valid| |main_#t~mem16.base| 0) |main_#t~mem16.base|)) main_~next~0.base 0)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem16.base|)))) (not (= 0 |main_#t~mem16.base|))) (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10428#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= main_~next~0.base 0)) (or (not (= (select (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base|) 1)) (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) main_~next~0.base 0) |old(#valid)|)) (= |main_~#list~0.base| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10429#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (and (or (not (= (select (store |#valid| |main_#t~mem17.base| 0) |main_~#list~0.base|) 1)) (= |main_~#list~0.base| main_~next~0.base) (and (= (store (store (store |#valid| |main_#t~mem17.base| (select (store |#valid| |main_#t~mem17.base| 0) |main_#t~mem17.base|)) |main_~#list~0.base| 0) main_~next~0.base 0) |old(#valid)|) (not (= main_~next~0.base |main_#t~mem17.base|)))) (not (= main_~next~0.base 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 10430#(or (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= main_~next~0.base 0)) (or (= |main_~#list~0.base| main_~next~0.base) (not (= (select |#valid| |main_~#list~0.base|) 1)) (= |old(#valid)| (store (store |#valid| |main_~#list~0.base| 0) main_~next~0.base 0))))), 10431#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |old(#valid)|) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_~#list~0.base|)))] [2018-02-04 16:01:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:35,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 16:01:35,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 16:01:35,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1249, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 16:01:35,868 INFO L87 Difference]: Start difference. First operand 120 states and 124 transitions. Second operand 37 states. [2018-02-04 16:01:37,195 WARN L146 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 110 DAG size of output 83 [2018-02-04 16:01:37,431 WARN L146 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 127 DAG size of output 99 [2018-02-04 16:01:37,724 WARN L146 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 89 DAG size of output 80 [2018-02-04 16:01:38,205 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 89 DAG size of output 88 [2018-02-04 16:01:38,455 WARN L146 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 117 DAG size of output 115 [2018-02-04 16:01:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:39,190 INFO L93 Difference]: Finished difference Result 126 states and 130 transitions. [2018-02-04 16:01:39,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 16:01:39,191 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 78 [2018-02-04 16:01:39,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:39,191 INFO L225 Difference]: With dead ends: 126 [2018-02-04 16:01:39,191 INFO L226 Difference]: Without dead ends: 97 [2018-02-04 16:01:39,192 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 11 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=261, Invalid=3771, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 16:01:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-02-04 16:01:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2018-02-04 16:01:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-02-04 16:01:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 98 transitions. [2018-02-04 16:01:39,195 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 98 transitions. Word has length 78 [2018-02-04 16:01:39,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:39,195 INFO L432 AbstractCegarLoop]: Abstraction has 95 states and 98 transitions. [2018-02-04 16:01:39,195 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 16:01:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 98 transitions. [2018-02-04 16:01:39,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 16:01:39,195 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:39,196 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:39,196 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:39,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1539866915, now seen corresponding path program 2 times [2018-02-04 16:01:39,196 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:39,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 16:01:40,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:40,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 16:01:40,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:01:40,907 INFO L182 omatonBuilderFactory]: Interpolants [10710#true, 10711#false, 10712#(not (= 0 |main_~#list~0.base|)), 10713#(and (not (= 0 |main_~#list~0.base|)) (= 1 (select |#valid| |main_~#list~0.base|))), 10714#(= |#valid| |old(#valid)|), 10715#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 10716#(and (= (select |old(#valid)| |append_#t~malloc1.base|) 0) (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 10717#(and (= append_~plist.base |append_#in~plist.base|) (or (and (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~plist.base append_~item~0.base)) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10718#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|))) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10719#(and (= append_~plist.base |append_#in~plist.base|) (or (and (not (= append_~plist.base |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~plist.base append_~item~0.base)) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10720#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (not (= |append_#in~plist.base| |append_#t~ite8.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|))) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10721#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (or (= append_~plist.base append_~item~0.base) (and (not (= |append_#in~plist.base| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|))) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10722#(or (= (select |old(#valid)| |append_#in~plist.base|) 0) (and (= (select |#valid| |append_#in~plist.base|) 1) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 10723#(and (not (= 0 |main_~#list~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 10724#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10725#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10726#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10727#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10728#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10729#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 10730#(and (= append_~plist.base |append_#in~plist.base|) (or (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1)) (not (= |append_#t~mem5.offset| 0))) (= 1 (select |#valid| append_~plist.base)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 10731#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10732#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 10733#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~plist.base)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~plist.base append_~item~0.base) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))))), 10734#(and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 1 (select |#valid| |append_#in~plist.base|))), 10735#(and (= 0 append_~item~0.offset) (or (= append_~item~0.base append_~plist.base) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10736#(and (= 0 append_~item~0.offset) (or (and (= (select |old(#valid)| |append_#in~plist.base|) 0) (= 1 (select |#valid| append_~plist.base))) (not (= append_~item~0.base append_~plist.base))) (or (= append_~item~0.base append_~plist.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 1 (select |#valid| append_~plist.base)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10737#(and (= 0 append_~item~0.offset) (or (= append_~item~0.base append_~plist.base) (and (= 1 (select |#valid| append_~plist.base)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (and (= (select |old(#valid)| |append_#in~plist.base|) 0) (= 1 (select |#valid| append_~plist.base))) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10738#(and (= 0 append_~item~0.offset) (= 1 (select |#valid| append_~plist.base)) (or (= append_~item~0.base append_~plist.base) (and (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base)))) (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10739#(and (= 0 append_~item~0.offset) (or (= append_~item~0.base append_~plist.base) (and (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= 1 (select |#valid| append_~plist.base)) (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10740#(and (= 0 append_~item~0.offset) (= 1 (select |#valid| append_~plist.base)) (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (= 0 (select |old(#valid)| append_~item~0.base)))) (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10741#(and (= 0 append_~item~0.offset) (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 1 (select |#valid| append_~plist.base)) (= 0 (select |old(#valid)| append_~item~0.base)))) (or (and (= (select |old(#valid)| |append_#in~plist.base|) 0) (= 1 (select |#valid| append_~plist.base))) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10742#(and (= 1 (select |#valid| |append_#in~plist.base|)) (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 10743#(and (not (= 0 |main_~#list~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| |main_~#list~0.base|))), 10744#(and (not (= 0 |main_~#list~0.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| |main_~#list~0.base|))), 10745#(and (not (= 0 |main_~#list~0.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= 1 (select |#valid| |main_~#list~0.base|)) (= |main_#t~mem15.offset| 0)), 10746#(= 1 (select (store |#valid| |main_#t~mem16.base| 0) |main_~#list~0.base|)), 10747#(= 1 (select |#valid| |main_~#list~0.base|))] [2018-02-04 16:01:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 20 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 16:01:40,907 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 16:01:40,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 16:01:40,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 16:01:40,908 INFO L87 Difference]: Start difference. First operand 95 states and 98 transitions. Second operand 38 states. [2018-02-04 16:01:42,272 WARN L146 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 120 DAG size of output 84 [2018-02-04 16:01:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:42,656 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2018-02-04 16:01:42,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 16:01:42,657 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 79 [2018-02-04 16:01:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:42,657 INFO L225 Difference]: With dead ends: 94 [2018-02-04 16:01:42,657 INFO L226 Difference]: Without dead ends: 94 [2018-02-04 16:01:42,658 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=391, Invalid=3391, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 16:01:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-02-04 16:01:42,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-02-04 16:01:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-02-04 16:01:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 97 transitions. [2018-02-04 16:01:42,659 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 97 transitions. Word has length 79 [2018-02-04 16:01:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:42,659 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 97 transitions. [2018-02-04 16:01:42,659 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 16:01:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 97 transitions. [2018-02-04 16:01:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 16:01:42,660 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:42,660 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:42,660 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:42,660 INFO L82 PathProgramCache]: Analyzing trace with hash 491234129, now seen corresponding path program 2 times [2018-02-04 16:01:42,661 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:42,672 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 16:01:44,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:44,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 16:01:44,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 16:01:44,390 INFO L182 omatonBuilderFactory]: Interpolants [11008#(and (= append_~plist.base |append_#in~plist.base|) (= (store |#valid| |append_#t~malloc1.base| 0) |old(#valid)|) (= 1 (select |#valid| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11009#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |old(#valid)| (store |#valid| append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11010#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= 1 (select |#valid| append_~item~0.base)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |old(#valid)| (store |#valid| append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11011#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= |old(#valid)| (store |#valid| append_~item~0.base 0))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 11012#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |old(#valid)| (store |#valid| append_~item~0.base 0)))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 11013#(and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |old(#valid)| (store |#valid| append_~item~0.base 0)))))) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 11014#(and (= 1 (select |#valid| append_~item~0.base)) (or (= append_~item~0.base append_~plist.base) (and (or (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |old(#valid)| (store |#valid| append_~item~0.base 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.base |append_#in~plist.base|))) (= append_~item~0.offset 0) (or (= |append_#in~plist.base| append_~item~0.base) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|)), 11015#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |old(#valid)| (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 11016#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11017#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11018#(and (or (and (= 0 |main_#t~mem15.offset|) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11019#(and (or (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11020#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 11021#(= 1 (select |#valid| |main_#t~mem17.base|)), 10984#true, 10985#false, 10986#(= 1 (select |#valid| |main_~#list~0.base|)), 10987#(= |#valid| |old(#valid)|), 10988#(and (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10989#(and (= (select |old(#valid)| |append_#t~malloc1.base|) 0) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)), 10990#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10991#(and (or (= append_~plist.base append_~item~0.base) (and (= 1 (select |#valid| |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10992#(and (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0)) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)))), 10993#(and (or (= append_~plist.base append_~item~0.base) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| |append_#in~plist.base|) 0))), 10994#(or (= (select |old(#valid)| |append_#in~plist.base|) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 10995#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 10996#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10997#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10998#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10999#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11000#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11001#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11002#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base)) (or (not (= |append_#t~mem5.offset| 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))), 11003#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= 0 (select |old(#valid)| append_~item~0.base))), 11004#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= 0 (select |old(#valid)| append_~item~0.base))), 11005#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (= append_~plist.base append_~item~0.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 11006#(or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 11007#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1))] [2018-02-04 16:01:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 16:01:44,391 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 16:01:44,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 16:01:44,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1301, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 16:01:44,391 INFO L87 Difference]: Start difference. First operand 94 states and 97 transitions. Second operand 38 states. [2018-02-04 16:01:45,758 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 109 DAG size of output 81 [2018-02-04 16:01:45,912 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 119 DAG size of output 85 [2018-02-04 16:01:46,343 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 104 DAG size of output 77 [2018-02-04 16:01:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:46,679 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2018-02-04 16:01:46,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 16:01:46,680 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 80 [2018-02-04 16:01:46,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:46,680 INFO L225 Difference]: With dead ends: 93 [2018-02-04 16:01:46,680 INFO L226 Difference]: Without dead ends: 93 [2018-02-04 16:01:46,681 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=339, Invalid=3567, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 16:01:46,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-02-04 16:01:46,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-02-04 16:01:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-02-04 16:01:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 96 transitions. [2018-02-04 16:01:46,682 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 96 transitions. Word has length 80 [2018-02-04 16:01:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:46,682 INFO L432 AbstractCegarLoop]: Abstraction has 93 states and 96 transitions. [2018-02-04 16:01:46,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 16:01:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2018-02-04 16:01:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 16:01:46,683 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:46,683 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:46,683 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:46,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1062146834, now seen corresponding path program 2 times [2018-02-04 16:01:46,684 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:46,696 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:01:48,492 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:48,492 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-02-04 16:01:48,492 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:01:48,493 INFO L182 omatonBuilderFactory]: Interpolants [11264#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)))), 11265#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 11266#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (= append_~plist.offset |append_#in~plist.offset|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 11267#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 11268#(or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| |append_#in~plist.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 11269#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1)), 11270#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11271#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11272#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11273#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11274#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11275#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 11276#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 11277#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 0 append_~item~0.offset))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 11278#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 11279#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (= append_~plist.base append_~item~0.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 11280#(and (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)), 11281#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 11282#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11283#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11284#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11285#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 11286#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (not (= |append_#t~mem5.offset| 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11287#(and (= append_~plist.base |append_#in~plist.base|) (or (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11288#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11289#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= 0 (select |old(#valid)| append_~item~0.base)))) (not (= append_~item~0.base 0))), 11290#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|))), 11291#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11292#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11293#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_#t~mem14.base|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11294#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) main_~next~0.base)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11295#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) main_~next~0.base)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| main_~next~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11296#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select (store |#valid| |main_#t~mem16.base| 0) main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11297#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11298#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 |main_#t~mem17.offset|)) (= 1 (select (store |#valid| |main_#t~mem17.base| 0) main_~next~0.base)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 11299#(or (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))), 11300#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 11301#(= 1 (select |#valid| |main_#t~mem20.base|)), 11258#true, 11259#false, 11260#(= (select |#valid| |main_~#list~0.base|) 1), 11261#(= |#valid| |old(#valid)|), 11262#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 11263#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|))] [2018-02-04 16:01:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:01:48,493 INFO L409 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-02-04 16:01:48,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-02-04 16:01:48,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1775, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 16:01:48,493 INFO L87 Difference]: Start difference. First operand 93 states and 96 transitions. Second operand 44 states. [2018-02-04 16:01:50,183 WARN L146 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 100 DAG size of output 93 [2018-02-04 16:01:51,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:51,135 INFO L93 Difference]: Finished difference Result 132 states and 138 transitions. [2018-02-04 16:01:51,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 16:01:51,135 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 87 [2018-02-04 16:01:51,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:51,136 INFO L225 Difference]: With dead ends: 132 [2018-02-04 16:01:51,136 INFO L226 Difference]: Without dead ends: 132 [2018-02-04 16:01:51,136 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=467, Invalid=6013, Unknown=0, NotChecked=0, Total=6480 [2018-02-04 16:01:51,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-02-04 16:01:51,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 115. [2018-02-04 16:01:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-02-04 16:01:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 120 transitions. [2018-02-04 16:01:51,138 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 120 transitions. Word has length 87 [2018-02-04 16:01:51,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:51,138 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 120 transitions. [2018-02-04 16:01:51,138 INFO L433 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-02-04 16:01:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2018-02-04 16:01:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 16:01:51,139 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:51,139 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:51,139 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:51,139 INFO L82 PathProgramCache]: Analyzing trace with hash -2022977185, now seen corresponding path program 2 times [2018-02-04 16:01:51,139 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:51,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:51,716 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:51,716 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:01:51,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:51,716 INFO L182 omatonBuilderFactory]: Interpolants [11648#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_~#list~0.base|))), 11649#(and (not (= |main_#t~mem22.base| 0)) (not (= |main_~#list~0.base| |main_#t~mem22.base|)) (= 1 (select |#valid| |main_~#list~0.base|))), 11623#true, 11624#false, 11625#(= append_~plist.base |append_#in~plist.base|), 11626#(= (select |#valid| |append_#in~plist.base|) 1), 11627#(= (select |#valid| |main_~#list~0.base|) 1), 11628#(= |#valid| |old(#valid)|), 11629#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 11630#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= append_~plist.offset |append_#in~plist.offset|)), 11631#(and (= append_~plist.base |append_#in~plist.base|) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 11632#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))))), 11633#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11634#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|), 11635#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 11636#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 11637#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 11638#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 11639#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|)), 11640#(and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))), 11641#(or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))), 11642#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)))), 11643#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))))), 11644#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| 0)))), 11645#(or (and (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11646#(or (and (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (not (= 0 |main_#t~mem17.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11647#(or (and (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))))] [2018-02-04 16:01:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:01:51,716 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 16:01:51,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 16:01:51,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2018-02-04 16:01:51,717 INFO L87 Difference]: Start difference. First operand 115 states and 120 transitions. Second operand 27 states. [2018-02-04 16:01:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:52,593 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2018-02-04 16:01:52,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 16:01:52,593 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 92 [2018-02-04 16:01:52,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:52,594 INFO L225 Difference]: With dead ends: 118 [2018-02-04 16:01:52,594 INFO L226 Difference]: Without dead ends: 118 [2018-02-04 16:01:52,594 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=310, Invalid=2446, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 16:01:52,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-02-04 16:01:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2018-02-04 16:01:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-02-04 16:01:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2018-02-04 16:01:52,595 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 92 [2018-02-04 16:01:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:52,596 INFO L432 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2018-02-04 16:01:52,596 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 16:01:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2018-02-04 16:01:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 16:01:52,596 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:52,596 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:52,596 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:52,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1383107166, now seen corresponding path program 2 times [2018-02-04 16:01:52,597 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:52,616 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:01:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:01:55,492 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:01:55,493 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-02-04 16:01:55,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:01:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:01:55,493 INFO L182 omatonBuilderFactory]: Interpolants [11938#true, 11939#false, 11940#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 11941#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 11942#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 11943#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 11944#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 11945#(and (= append_~plist.base |append_#in~plist.base|) (not (= append_~item~0.base |append_#t~ite8.base|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 11946#(and (or (not (= append_~plist.base append_~item~0.base)) (= |append_#in~plist.base| append_~item~0.base)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))))) (= append_~plist.offset |append_#in~plist.offset|)), 11947#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))) (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 11948#(and (or (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 11949#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11950#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11951#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11952#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 11953#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (or (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= append_~plist.base append_~item~0.base)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11954#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select |#valid| append_~item~0.base) 1) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11955#(and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= append_~plist.base append_~item~0.base) (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (not (= |append_#t~mem5.offset| 0))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11956#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| append_~item~0.base) 1) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11957#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| append_~item~0.base) 1) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)))) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11958#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= append_~plist.base append_~item~0.base) (and (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11959#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1))) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)), 11960#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 11961#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11962#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11963#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11964#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11965#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11966#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11967#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select (store |#memory_$Pointer$.base| append_~item~0.base (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|)) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~item~0.offset 0) (= (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11968#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (or (and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~item~0.offset 0) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= append_~item~0.base append_~plist.base)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 11969#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (or (= |#valid| |old(#valid)|) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 11970#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11971#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))))), 11972#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (or (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (not (= |main_#t~mem14.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) |main_#t~mem14.base|))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11973#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= main_~next~0.base 0)) (or (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11974#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= main_~next~0.base 0)) (or (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= |main_#t~mem15.offset| 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11975#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (or (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) (and (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11976#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11977#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (and (not (= main_~next~0.base 0)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (= 1 (select (store |#valid| |main_#t~mem17.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (not (= 0 |main_#t~mem17.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11978#(or (and (or (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= main_~next~0.base 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 11979#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 11980#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0))), 11981#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| |main_#t~mem21.base|) (and (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_#t~mem21.base|))))), 11982#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| main_~next~1.base) (and (not (= main_~next~1.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~1.base))))), 11983#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= |main_~#list~0.base| main_~next~1.base) (= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 11984#(or (= |main_~#list~0.base| main_~next~1.base) (= 1 (select |#valid| main_~next~1.base))), 11985#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 11986#(= 1 (select |#valid| |main_#t~mem20.base|))] [2018-02-04 16:01:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:01:55,493 INFO L409 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-02-04 16:01:55,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-02-04 16:01:55,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2208, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 16:01:55,494 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand 49 states. [2018-02-04 16:01:57,233 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 121 DAG size of output 84 [2018-02-04 16:01:57,445 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 131 DAG size of output 82 [2018-02-04 16:01:57,825 WARN L146 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 112 DAG size of output 96 [2018-02-04 16:01:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:01:59,597 INFO L93 Difference]: Finished difference Result 149 states and 156 transitions. [2018-02-04 16:01:59,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 16:01:59,598 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 97 [2018-02-04 16:01:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:01:59,598 INFO L225 Difference]: With dead ends: 149 [2018-02-04 16:01:59,598 INFO L226 Difference]: Without dead ends: 149 [2018-02-04 16:01:59,599 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1856 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=530, Invalid=7302, Unknown=0, NotChecked=0, Total=7832 [2018-02-04 16:01:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-02-04 16:01:59,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2018-02-04 16:01:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-02-04 16:01:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 134 transitions. [2018-02-04 16:01:59,613 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 134 transitions. Word has length 97 [2018-02-04 16:01:59,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:01:59,614 INFO L432 AbstractCegarLoop]: Abstraction has 127 states and 134 transitions. [2018-02-04 16:01:59,614 INFO L433 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-02-04 16:01:59,614 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2018-02-04 16:01:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 16:01:59,614 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:01:59,615 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:01:59,615 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:01:59,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1383107165, now seen corresponding path program 1 times [2018-02-04 16:01:59,616 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:01:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:01:59,632 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:00,733 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 77 DAG size of output 61 [2018-02-04 16:02:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:01,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:01,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 16:02:01,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:01,531 INFO L182 omatonBuilderFactory]: Interpolants [12352#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12353#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12354#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 12355#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= append_~plist.base append_~item~0.base))), 12356#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))))), 12357#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1)), 12358#(and (or (= append_~plist.base append_~item~0.base) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 1) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1)), 12359#(or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 1) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))))), 12360#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 12361#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12362#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12363#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= (store |old(#length)| |append_#t~malloc1.base| (select |#length| |append_#t~malloc1.base|)) |#length|) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12364#(and (= append_~plist.base |append_#in~plist.base|) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12365#(and (= append_~plist.base |append_#in~plist.base|) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12366#(and (= append_~plist.base |append_#in~plist.base|) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 12367#(and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (or (= |append_#t~mem5.base| append_~plist.base) (and (or (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))) (= |append_#t~mem5.base| append_~item~0.base)) (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|))) (= 0 (select |old(#valid)| append_~item~0.base))), 12368#(and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= append_~plist.base |append_#in~plist.base|) (or (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))))))) (= append_~item~0.offset 0) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|))) (= 0 (select |old(#valid)| append_~item~0.base))), 12369#(and (or (and (or (not (= append_~item~0.base append_~plist.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))) (or (= append_~item~0.base append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= 0 (select |old(#valid)| append_~item~0.base))), 12370#(or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))))), 12371#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 12372#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 12373#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) 0)) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 12374#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) main_~next~0.base) 0)))), 12375#(or (not (= 0 |main_#t~mem17.offset|)) (and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) main_~next~0.base) 0))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 12376#(or (and (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) main_~next~0.base) 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 12377#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))), 12378#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))))), 12379#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (<= 8 (select |#length| |main_#t~mem21.base|))) (or (= 0 |main_#t~mem21.offset|) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))))), 12380#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 main_~next~1.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (<= 8 (select |#length| main_~next~1.base)))), 12381#(and (or (<= 8 (select |#length| main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))) (or (= 0 main_~next~1.offset) (not (= 0 |main_#t~mem22.offset|)))), 12382#(and (= 0 main_~next~1.offset) (<= 8 (select |#length| main_~next~1.base))), 12383#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))), 12384#(and (<= 8 (select |#length| |main_#t~mem20.base|)) (= |main_#t~mem20.offset| 0)), 12343#true, 12344#false, 12345#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 12346#(and (= append_~plist.base |append_#in~plist.base|) (= 8 (select |#length| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 12347#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |#length| append_~item~0.base) 8) (= append_~plist.offset |append_#in~plist.offset|)), 12348#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 12349#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 12350#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1)), 12351#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 16:02:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:01,532 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 16:02:01,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 16:02:01,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1607, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 16:02:01,532 INFO L87 Difference]: Start difference. First operand 127 states and 134 transitions. Second operand 42 states. [2018-02-04 16:02:02,456 WARN L146 SmtUtils]: Spent 183ms on a formula simplification. DAG size of input: 90 DAG size of output 68 [2018-02-04 16:02:02,688 WARN L146 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 99 DAG size of output 77 [2018-02-04 16:02:03,055 WARN L146 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 134 DAG size of output 127 [2018-02-04 16:02:03,883 WARN L146 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 110 DAG size of output 90 [2018-02-04 16:02:04,139 WARN L146 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 117 DAG size of output 95 [2018-02-04 16:02:05,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:05,952 INFO L93 Difference]: Finished difference Result 160 states and 165 transitions. [2018-02-04 16:02:05,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 16:02:05,952 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 97 [2018-02-04 16:02:05,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:05,953 INFO L225 Difference]: With dead ends: 160 [2018-02-04 16:02:05,953 INFO L226 Difference]: Without dead ends: 160 [2018-02-04 16:02:05,953 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=589, Invalid=6383, Unknown=0, NotChecked=0, Total=6972 [2018-02-04 16:02:05,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-02-04 16:02:05,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 132. [2018-02-04 16:02:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-02-04 16:02:05,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 140 transitions. [2018-02-04 16:02:05,955 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 140 transitions. Word has length 97 [2018-02-04 16:02:05,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:05,955 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 140 transitions. [2018-02-04 16:02:05,955 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 16:02:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2018-02-04 16:02:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 16:02:05,956 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:05,956 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:05,956 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash -2022293249, now seen corresponding path program 2 times [2018-02-04 16:02:05,957 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:05,972 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-02-04 16:02:06,020 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:06,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 16:02:06,020 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-04 16:02:06,021 INFO L182 omatonBuilderFactory]: Interpolants [12768#(<= 3 main_~length~0), 12763#true, 12764#false, 12765#(= main_~length~0 0), 12766#(<= 1 main_~length~0), 12767#(<= 2 main_~length~0)] [2018-02-04 16:02:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-02-04 16:02:06,021 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 16:02:06,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 16:02:06,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:02:06,021 INFO L87 Difference]: Start difference. First operand 132 states and 140 transitions. Second operand 6 states. [2018-02-04 16:02:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:06,045 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2018-02-04 16:02:06,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:02:06,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-02-04 16:02:06,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:06,046 INFO L225 Difference]: With dead ends: 133 [2018-02-04 16:02:06,046 INFO L226 Difference]: Without dead ends: 133 [2018-02-04 16:02:06,046 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:02:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-02-04 16:02:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2018-02-04 16:02:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-02-04 16:02:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 138 transitions. [2018-02-04 16:02:06,049 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 138 transitions. Word has length 99 [2018-02-04 16:02:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:06,049 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 138 transitions. [2018-02-04 16:02:06,049 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 16:02:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2018-02-04 16:02:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 16:02:06,049 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:06,050 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:06,050 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:06,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1770700238, now seen corresponding path program 1 times [2018-02-04 16:02:06,050 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:06,063 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:07,109 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:07,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 16:02:07,109 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:07,109 INFO L182 omatonBuilderFactory]: Interpolants [13056#(and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (and (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))))) (= append_~item~0.offset 0) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 13057#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (and (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (or (= append_~item~0.base append_~plist.base) (and (or (and (= (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= append_~item~0.offset 0)))) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|))), 13058#(or (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (and (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)), 13059#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))))), 13060#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))))), 13061#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) 0)) (not (= |main_~#list~0.base| |main_#t~mem14.base|)))), 13062#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) main_~next~0.base) 0))), 13063#(or (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) main_~next~0.base) 0)) (not (= 0 |main_#t~mem17.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13064#(or (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) main_~next~0.base) 0)) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13065#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)), 13066#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 13067#(or (= 0 |main_#t~mem21.offset|) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13068#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 main_~next~1.offset)), 13069#(or (= 0 main_~next~1.offset) (not (= 0 |main_#t~mem22.offset|))), 13070#(= 0 main_~next~1.offset), 13071#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)), 13072#(= 0 |main_#t~mem22.offset|), 13034#true, 13035#false, 13036#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 13037#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 13038#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 13039#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 13040#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1)), 13041#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13042#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13043#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13044#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 13045#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 13046#(and (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1)), 13047#(or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 13048#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 13049#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13050#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13051#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13052#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13053#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 13054#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0))) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 13055#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))) (or (and (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (not (= append_~item~0.base append_~plist.base)) (not (= append_~item~0.base 0)))) (= |append_#t~mem5.base| append_~plist.base)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base)))] [2018-02-04 16:02:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:07,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 16:02:07,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 16:02:07,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1371, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 16:02:07,110 INFO L87 Difference]: Start difference. First operand 132 states and 138 transitions. Second operand 39 states. [2018-02-04 16:02:09,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:09,094 INFO L93 Difference]: Finished difference Result 140 states and 144 transitions. [2018-02-04 16:02:09,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 16:02:09,095 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 100 [2018-02-04 16:02:09,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:09,095 INFO L225 Difference]: With dead ends: 140 [2018-02-04 16:02:09,095 INFO L226 Difference]: Without dead ends: 140 [2018-02-04 16:02:09,096 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1493 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=512, Invalid=5340, Unknown=0, NotChecked=0, Total=5852 [2018-02-04 16:02:09,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-02-04 16:02:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 135. [2018-02-04 16:02:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 16:02:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 141 transitions. [2018-02-04 16:02:09,099 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 141 transitions. Word has length 100 [2018-02-04 16:02:09,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:09,099 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 141 transitions. [2018-02-04 16:02:09,099 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 16:02:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2018-02-04 16:02:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 16:02:09,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:09,100 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:09,100 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:09,100 INFO L82 PathProgramCache]: Analyzing trace with hash 835881167, now seen corresponding path program 1 times [2018-02-04 16:02:09,101 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:09,118 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 5 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:10,258 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:10,258 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 16:02:10,258 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:10,259 INFO L182 omatonBuilderFactory]: Interpolants [13440#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)))), 13441#(or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 13442#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 13443#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|), 13444#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 13445#(and (= append_~plist.base |append_#in~plist.base|) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 13446#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 13447#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 13448#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 13449#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= |append_#t~mem5.base| append_~plist.base))) (= |append_#t~mem5.base| append_~item~0.base)) (or (not (= |append_#t~mem5.base| append_~item~0.base)) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 13450#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))))), 13451#(and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (or (and (= append_~plist.base |append_#in~plist.base|) (or (and (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0)) (= append_~item~0.base append_~plist.base)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 13452#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))), 13453#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13454#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13455#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|))), 13456#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))), 13457#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 |main_#t~mem17.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 13458#(or (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13459#(or (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 13460#(or (= 0 (select |#valid| |main_#t~mem20.base|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 13461#(or (not (= |main_~#list~0.base| |main_#t~mem21.base|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 13462#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| main_~next~1.base))), 13463#(or (not (= |main_~#list~0.base| main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))), 13464#(not (= |main_~#list~0.base| main_~next~1.base)), 13465#(and (not (= |main_~#list~0.base| |main_#t~mem22.base|)) (= 1 (select |#valid| |main_~#list~0.base|))), 13426#true, 13427#false, 13428#(= 1 (select |#valid| |main_~#list~0.base|)), 13429#(= |#valid| |old(#valid)|), 13430#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 13431#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 13432#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 13433#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 13434#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1)), 13435#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)), 13436#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 13437#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 13438#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)))), 13439#(and (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))))] [2018-02-04 16:02:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 5 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:02:10,259 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 16:02:10,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 16:02:10,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1453, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 16:02:10,260 INFO L87 Difference]: Start difference. First operand 135 states and 141 transitions. Second operand 40 states. [2018-02-04 16:02:11,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:11,605 INFO L93 Difference]: Finished difference Result 139 states and 143 transitions. [2018-02-04 16:02:11,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 16:02:11,606 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 102 [2018-02-04 16:02:11,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:11,606 INFO L225 Difference]: With dead ends: 139 [2018-02-04 16:02:11,606 INFO L226 Difference]: Without dead ends: 139 [2018-02-04 16:02:11,607 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=330, Invalid=3830, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 16:02:11,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-02-04 16:02:11,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2018-02-04 16:02:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-02-04 16:02:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 143 transitions. [2018-02-04 16:02:11,609 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 143 transitions. Word has length 102 [2018-02-04 16:02:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:11,609 INFO L432 AbstractCegarLoop]: Abstraction has 137 states and 143 transitions. [2018-02-04 16:02:11,609 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 16:02:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2018-02-04 16:02:11,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 16:02:11,610 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:11,610 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:11,610 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:11,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1730026446, now seen corresponding path program 3 times [2018-02-04 16:02:11,611 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:11,622 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-02-04 16:02:11,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:11,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 16:02:11,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-04 16:02:11,679 INFO L182 omatonBuilderFactory]: Interpolants [13792#true, 13793#false, 13794#(= main_~length~0 0), 13795#(<= main_~length~0 1), 13796#(<= main_~length~0 2), 13797#(<= main_~length~0 3), 13798#(<= main_~length~0 0)] [2018-02-04 16:02:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-02-04 16:02:11,680 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 16:02:11,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 16:02:11,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:02:11,680 INFO L87 Difference]: Start difference. First operand 137 states and 143 transitions. Second operand 7 states. [2018-02-04 16:02:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:11,709 INFO L93 Difference]: Finished difference Result 148 states and 155 transitions. [2018-02-04 16:02:11,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 16:02:11,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2018-02-04 16:02:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:11,710 INFO L225 Difference]: With dead ends: 148 [2018-02-04 16:02:11,710 INFO L226 Difference]: Without dead ends: 148 [2018-02-04 16:02:11,710 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:02:11,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-02-04 16:02:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2018-02-04 16:02:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 16:02:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 151 transitions. [2018-02-04 16:02:11,713 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 151 transitions. Word has length 107 [2018-02-04 16:02:11,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:11,713 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 151 transitions. [2018-02-04 16:02:11,713 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 16:02:11,713 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 151 transitions. [2018-02-04 16:02:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-02-04 16:02:11,714 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:11,714 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-02-04 16:02:11,714 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:11,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1866448154, now seen corresponding path program 3 times [2018-02-04 16:02:11,715 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:11,736 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 32 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:02:14,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:14,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-02-04 16:02:14,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:02:14,774 INFO L182 omatonBuilderFactory]: Interpolants [14092#true, 14093#false, 14094#(= (select |#valid| |main_~#list~0.base|) 1), 14095#(= |#valid| |old(#valid)|), 14096#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 14097#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 14098#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 14099#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 14100#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 14101#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~plist.base append_~item~0.base)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 14102#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 14103#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 14104#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14105#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14106#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14107#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 14108#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 14109#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 14110#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base)) (or (not (= |append_#t~mem5.offset| 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))), 14111#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= 0 (select |old(#valid)| append_~item~0.base))), 14112#(and (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= 0 (select |old(#valid)| append_~item~0.base))), 14113#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (= append_~plist.base append_~item~0.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14114#(or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))), 14115#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 14116#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= |old(#valid)| (store |#valid| append_~item~0.base 0))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 14117#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |old(#valid)| (store |#valid| append_~item~0.base 0)))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 14118#(and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |old(#valid)| (store |#valid| append_~item~0.base 0)))))) (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|)), 14119#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| append_~item~0.base)) (= append_~item~0.offset 0) (or (and (or (= append_~item~0.base append_~plist.base) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |old(#valid)| (store |#valid| append_~item~0.base 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|)), 14120#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= |old(#valid)| (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))))), 14121#(and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14122#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14123#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14124#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14125#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 14126#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|)) (not (= |append_#t~mem5.offset| 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 14127#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 14128#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (= append_~item~0.offset 0) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 14129#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~item~0.offset 0) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))), 14130#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= |#valid| (store |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))))), 14131#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14132#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14133#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_#t~mem14.base|))) (= |main_~#list~0.base| |main_#t~mem14.base|) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14134#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| main_~next~0.base) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) main_~next~0.base)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14135#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) main_~next~0.base)) (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| main_~next~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| main_~next~0.base) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14136#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| main_~next~0.base) (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select (store |#valid| |main_#t~mem16.base| 0) main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14137#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| main_~next~0.base) (and (not (= main_~next~0.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14138#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (not (= 0 |main_#t~mem17.offset|)) (= |main_~#list~0.base| main_~next~0.base) (= 1 (select (store |#valid| |main_#t~mem17.base| 0) main_~next~0.base)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14139#(or (= |main_~#list~0.base| main_~next~0.base) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~0.base))), 14140#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_~#list~0.base|))), 14141#(= 1 (select |#valid| |main_#t~mem20.base|))] [2018-02-04 16:02:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 32 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:02:14,774 INFO L409 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-02-04 16:02:14,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-02-04 16:02:14,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2320, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 16:02:14,775 INFO L87 Difference]: Start difference. First operand 145 states and 151 transitions. Second operand 50 states. [2018-02-04 16:02:16,460 WARN L146 SmtUtils]: Spent 162ms on a formula simplification. DAG size of input: 120 DAG size of output 86 [2018-02-04 16:02:16,725 WARN L146 SmtUtils]: Spent 189ms on a formula simplification. DAG size of input: 138 DAG size of output 90 [2018-02-04 16:02:16,966 WARN L146 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 136 DAG size of output 78 [2018-02-04 16:02:17,144 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 88 DAG size of output 71 [2018-02-04 16:02:17,424 WARN L146 SmtUtils]: Spent 192ms on a formula simplification. DAG size of input: 125 DAG size of output 95 [2018-02-04 16:02:18,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:18,449 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2018-02-04 16:02:18,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 16:02:18,449 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 108 [2018-02-04 16:02:18,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:18,450 INFO L225 Difference]: With dead ends: 145 [2018-02-04 16:02:18,450 INFO L226 Difference]: Without dead ends: 145 [2018-02-04 16:02:18,450 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 8 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=467, Invalid=6505, Unknown=0, NotChecked=0, Total=6972 [2018-02-04 16:02:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-02-04 16:02:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-02-04 16:02:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 16:02:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions. [2018-02-04 16:02:18,452 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 108 [2018-02-04 16:02:18,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:18,453 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions. [2018-02-04 16:02:18,453 INFO L433 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-02-04 16:02:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2018-02-04 16:02:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-02-04 16:02:18,453 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:18,454 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:18,454 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:18,454 INFO L82 PathProgramCache]: Analyzing trace with hash -404272241, now seen corresponding path program 3 times [2018-02-04 16:02:18,454 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:18,492 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:22,504 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 89 DAG size of output 59 [2018-02-04 16:02:24,711 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 107 DAG size of output 47 [2018-02-04 16:02:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 13 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:02:26,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:26,387 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-02-04 16:02:26,387 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:02:26,387 INFO L182 omatonBuilderFactory]: Interpolants [14500#true, 14501#false, 14502#(= |#valid| |old(#valid)|), 14503#(= (store |#valid| |main_~#list~0.base| 0) |old(#valid)|), 14504#(and (= (store |#valid| |main_~#list~0.base| 0) |old(#valid)|) (= (select |#valid| |main_~#list~0.base|) 1)), 14505#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 14506#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= |old(#valid)| (store |#valid| |append_#t~malloc1.base| (select |old(#valid)| |append_#t~malloc1.base|))) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 14507#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |#valid| |old(#valid)|))) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 14508#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (or (= (@diff |#valid| |old(#valid)|) append_~item~0.base) (= |#valid| |old(#valid)|)) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 14509#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 14510#(and (= 0 append_~item~0.offset) (or (= |old(#valid)| (store |#valid| |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|))) (= (@diff (store |#valid| |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|)) |old(#valid)|) append_~item~0.base)) (not (= 0 |append_#t~malloc7.base|)) (not (= append_~plist.base |append_#t~malloc7.base|)) (= |old(#valid)| (store (store |#valid| |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|)) (@diff (store |#valid| |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|)) |old(#valid)|) (select |old(#valid)| (@diff (store |#valid| |append_#t~malloc7.base| (select |old(#valid)| |append_#t~malloc7.base|)) |old(#valid)|)))) (= (select |#valid| |append_#t~malloc7.base|) 1) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (= 0 (select |old(#valid)| |append_#t~malloc7.base|)) (not (= append_~item~0.base 0))), 14511#(and (not (= |append_#in~plist.base| |append_#t~ite8.base|)) (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#t~ite8.base|) 1) (or (= (@diff |#valid| |old(#valid)|) append_~item~0.base) (= (@diff |#valid| |old(#valid)|) |append_#t~ite8.base|)) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= 0 append_~item~0.offset) (= (store (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (select |old(#valid)| (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|))) |old(#valid)|) (or (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) append_~item~0.base) (= (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) |append_#t~ite8.base|)) (not (= 0 |append_#t~ite8.base|)) (not (= append_~item~0.base |append_#t~ite8.base|)) (= 0 (select |old(#valid)| |append_#t~ite8.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 14512#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (not (= |append_#in~plist.base| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (not (= 0 (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= |old(#valid)| (store (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))) 1) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 14513#(and (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (store (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (select |old(#valid)| (@diff (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|))) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) 1) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))))) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 14514#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) 1) (= (select |#valid| |main_~#list~0.base|) 1) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 14515#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14516#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14517#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= |old(#valid)| (store |#valid| |append_#t~malloc1.base| (select |old(#valid)| |append_#t~malloc1.base|))) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14518#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |#valid| |old(#valid)|))) (= (store |#valid| (@diff |#valid| |old(#valid)|) (select |old(#valid)| (@diff |#valid| |old(#valid)|))) |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14519#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14520#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 14521#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= |append_#t~mem5.offset| 0)) (and (or (= append_~plist.base append_~item~0.base) (and (or (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))) (= |append_#t~mem5.base| append_~item~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (not (= |append_#t~mem5.base| append_~item~0.base))))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 14522#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))))))) (= append_~plist.offset |append_#in~plist.offset|)), 14523#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|) (not (= append_~item~0.base 0)))))) (= append_~plist.offset |append_#in~plist.offset|)), 14524#(and (or (and (or (= append_~plist.base append_~item~0.base) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (not (= append_~item~0.base 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 14525#(and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) |old(#valid)|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 14526#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))), 14527#(and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14528#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14529#(and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 14530#(and (or (and (= 0 append_~item~0.offset) (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|))), 14531#(or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))), 14532#(or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (store |#memory_$Pointer$.base| append_~item~0.base (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|)) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|))) (not (= append_~item~0.base 0)))), 14533#(or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= append_~item~0.base |append_#in~plist.base|) (not (= append_~item~0.base append_~plist.base))) (= append_~item~0.offset 0) (or (and (= append_~plist.base |append_#in~plist.base|) (or (and (= (store |#valid| append_~item~0.base (select |old(#valid)| append_~item~0.base)) |old(#valid)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= append_~item~0.base append_~plist.base)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)))), 14534#(or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (= (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) |old(#valid)|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)))), 14535#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= (store (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14536#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (= (store (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) 0) |old(#valid)|) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14537#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) |main_#t~mem14.base|)) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| 0)) (or (and (= |old(#valid)| (store (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) |main_#t~mem14.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) |main_#t~mem14.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|))), 14538#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)) (and (= |old(#valid)| (store (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) 0) main_~next~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| main_~next~0.base)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) main_~next~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14539#(and (or (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= |main_#t~mem15.offset| 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4))) (and (= (store (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) 0) main_~next~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0) |old(#valid)|) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= |main_~#list~0.base| main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) main_~next~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (not (= |main_#t~mem15.offset| 0)))), 14540#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= |main_#t~mem16.base| |main_~#list~0.base|)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) |main_#t~mem16.base|)) (not (= |main_~#list~0.base| main_~next~0.base)) (= |old(#valid)| (store (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) |main_#t~mem16.base| (select (store |#valid| |main_#t~mem16.base| 0) |main_#t~mem16.base|)) main_~next~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= 0 |main_#t~mem16.base|)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_#t~mem16.base| main_~next~0.base))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))))), 14541#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (or (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| main_~next~0.base)) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_~#list~0.base| 0) main_~next~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14542#(or (not (= 0 |main_#t~mem17.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| |main_#t~mem17.base|)) (and (= |old(#valid)| (store (store (store (store |#valid| |main_#t~mem17.base| (select (store |#valid| |main_#t~mem17.base| 0) |main_#t~mem17.base|)) |main_~#list~0.base| 0) main_~next~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) |main_#t~mem17.base|)) (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14543#(or (and (= (store (store (store |#valid| |main_~#list~0.base| 0) main_~next~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0) |old(#valid)|) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= |main_~#list~0.base| main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14544#(or (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= (store (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)))), 14545#(or (= 0 (select |#valid| |main_#t~mem20.base|)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= (store (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14546#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |old(#valid)| (store (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |main_#t~mem21.base| 0)) (not (= |main_~#list~0.base| |main_#t~mem21.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_#t~mem21.base| 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14547#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| main_~next~1.base)) (not (= main_~next~1.base 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= main_~next~1.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |old(#valid)| (store (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) main_~next~1.base 0)))), 14548#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| main_~next~1.base)) (not (= main_~next~1.base 0)) (not (= |main_#t~mem22.base| |main_~#list~0.base|)) (not (= main_~next~1.base |main_#t~mem22.base|)) (= |old(#valid)| (store (store (store |#valid| |main_~#list~0.base| 0) |main_#t~mem22.base| (select (store |#valid| |main_#t~mem22.base| 0) |main_#t~mem22.base|)) main_~next~1.base 0)) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= 0 |main_#t~mem22.offset|))), 14549#(and (not (= |main_~#list~0.base| main_~next~1.base)) (not (= main_~next~1.base 0)) (= (store (store |#valid| |main_~#list~0.base| 0) main_~next~1.base 0) |old(#valid)|)), 14550#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= (store (store |#valid| |main_~#list~0.base| 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0) |old(#valid)|) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14551#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |old(#valid)| (store (store |#valid| |main_~#list~0.base| 0) |main_#t~mem22.base| (select (store |#valid| |main_#t~mem22.base| 0) |main_#t~mem22.base|))) (not (= |main_#t~mem22.base| |main_~#list~0.base|)) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))] [2018-02-04 16:02:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 13 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:02:26,388 INFO L409 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-02-04 16:02:26,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-02-04 16:02:26,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2531, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 16:02:26,388 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 52 states. [2018-02-04 16:02:27,528 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 102 DAG size of output 73 [2018-02-04 16:02:27,942 WARN L146 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 111 DAG size of output 71 [2018-02-04 16:02:28,204 WARN L146 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 130 DAG size of output 75 [2018-02-04 16:02:28,521 WARN L146 SmtUtils]: Spent 203ms on a formula simplification. DAG size of input: 157 DAG size of output 86 [2018-02-04 16:02:28,924 WARN L146 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 120 DAG size of output 92 [2018-02-04 16:02:29,719 WARN L146 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 112 DAG size of output 109 [2018-02-04 16:02:30,080 WARN L146 SmtUtils]: Spent 259ms on a formula simplification. DAG size of input: 134 DAG size of output 130 [2018-02-04 16:02:30,421 WARN L146 SmtUtils]: Spent 237ms on a formula simplification. DAG size of input: 118 DAG size of output 112 [2018-02-04 16:02:30,798 WARN L146 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 88 DAG size of output 87 [2018-02-04 16:02:31,054 WARN L146 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 109 DAG size of output 92 [2018-02-04 16:02:31,222 WARN L146 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 89 DAG size of output 80 [2018-02-04 16:02:31,510 WARN L146 SmtUtils]: Spent 169ms on a formula simplification. DAG size of input: 111 DAG size of output 101 [2018-02-04 16:02:31,869 WARN L146 SmtUtils]: Spent 254ms on a formula simplification. DAG size of input: 127 DAG size of output 117 [2018-02-04 16:02:32,295 WARN L146 SmtUtils]: Spent 298ms on a formula simplification. DAG size of input: 138 DAG size of output 128 [2018-02-04 16:02:32,646 WARN L146 SmtUtils]: Spent 240ms on a formula simplification. DAG size of input: 122 DAG size of output 112 [2018-02-04 16:02:33,061 WARN L146 SmtUtils]: Spent 307ms on a formula simplification. DAG size of input: 138 DAG size of output 128 [2018-02-04 16:02:33,423 WARN L146 SmtUtils]: Spent 237ms on a formula simplification. DAG size of input: 140 DAG size of output 121 [2018-02-04 16:02:33,714 WARN L146 SmtUtils]: Spent 204ms on a formula simplification. DAG size of input: 124 DAG size of output 110 [2018-02-04 16:02:34,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:34,261 INFO L93 Difference]: Finished difference Result 151 states and 156 transitions. [2018-02-04 16:02:34,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 16:02:34,261 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 109 [2018-02-04 16:02:34,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:34,262 INFO L225 Difference]: With dead ends: 151 [2018-02-04 16:02:34,262 INFO L226 Difference]: Without dead ends: 112 [2018-02-04 16:02:34,262 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1267 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=420, Invalid=6890, Unknown=0, NotChecked=0, Total=7310 [2018-02-04 16:02:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-02-04 16:02:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2018-02-04 16:02:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-02-04 16:02:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2018-02-04 16:02:34,264 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 109 [2018-02-04 16:02:34,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:34,264 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2018-02-04 16:02:34,264 INFO L433 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-02-04 16:02:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2018-02-04 16:02:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-02-04 16:02:34,264 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:34,265 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:34,265 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash 928593322, now seen corresponding path program 4 times [2018-02-04 16:02:34,265 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:34,285 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:36,500 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 94 DAG size of output 61 [2018-02-04 16:02:36,853 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 98 DAG size of output 62 [2018-02-04 16:02:37,061 WARN L146 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 83 DAG size of output 66 [2018-02-04 16:02:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 16:02:38,478 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:38,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-02-04 16:02:38,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 16:02:38,479 INFO L182 omatonBuilderFactory]: Interpolants [14881#true, 14882#false, 14883#(= (select |#valid| 0) 0), 14884#(and (= (select |#valid| 0) 0) (= (select |#valid| |main_~#list~0.base|) 1)), 14885#(= |#valid| |old(#valid)|), 14886#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 14887#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 14888#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 14889#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 14890#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 14891#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 14892#(and (= (select |old(#valid)| 0) (select |#valid| 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 14893#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| 0) 0) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 14894#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14895#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14896#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14897#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14898#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |#valid| append_~plist.base) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14899#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 14900#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 14901#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (or (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= 0 append_~item~0.offset))) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14902#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14903#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (= append_~plist.base append_~item~0.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14904#(and (= (select |#valid| |append_#in~plist.base|) 1) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)), 14905#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| 0) 0) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 14906#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14907#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14908#(and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (or (= append_~item~0.base append_~plist.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14909#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base append_~plist.base) (and (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14910#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= append_~item~0.base append_~plist.base) (and (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (not (= |append_#t~mem5.offset| 0))) (= append_~item~0.offset 0) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (not (= append_~item~0.base 0)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14911#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (or (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= 1 (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= append_~item~0.base 0)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14912#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (= 1 (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= append_~item~0.base 0)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14913#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (= 1 (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (not (= append_~item~0.base 0)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 14914#(and (or (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 1 (select |#valid| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 14915#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 14916#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 14917#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 14918#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 14919#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 14920#(and (= append_~plist.base |append_#in~plist.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (or (= |append_#t~mem5.base| append_~plist.base) (and (or (and (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= |append_#t~mem5.base| append_~item~0.base)) (or (not (= |append_#t~mem5.base| append_~item~0.base)) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|) (= |append_#t~mem5.base| append_~item~0.base)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |old(#valid)| append_~item~0.base) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 14921#(and (= append_~plist.base |append_#in~plist.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select |old(#valid)| 0) (select |#valid| 0)) (or (and (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (or (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select |old(#valid)| append_~item~0.base) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 14922#(and (= append_~plist.base |append_#in~plist.base|) (or (and (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |old(#valid)| append_~item~0.base) 0) (or (and (or (= |#valid| |old(#valid)|) (= (select |old(#valid)| (@diff |old(#valid)| |#valid|)) 0)) (= (select (store |#memory_$Pointer$.base| append_~item~0.base (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|)) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (or (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 14923#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (or (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (and (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (or (= |#valid| |old(#valid)|) (= (select |old(#valid)| (@diff |old(#valid)| |#valid|)) 0)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |old(#valid)| append_~item~0.base) 0))) (= append_~item~0.offset 0) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 14924#(and (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (and (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (or (= |#valid| |old(#valid)|) (= (select |old(#valid)| (@diff |old(#valid)| |#valid|)) 0)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0))), 14925#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)) (or (= (select |#valid| 0) 0) (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14926#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))))) (or (= (select |#valid| 0) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)))) (= 1 (select |#valid| 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14927#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14928#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0))) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14929#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0))) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base)) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14930#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= 1 (select |#valid| |main_#t~mem16.base|)) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= (select |#valid| |main_#t~mem16.base|) 0)) (not (= |main_#t~mem16.base| 0))) (or (and (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 1 (select |#valid| |main_#t~mem16.base|)))) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14931#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14932#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 |main_#t~mem17.offset|)) (and (not (= main_~next~0.base 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (= 1 (select (store |#valid| |main_#t~mem17.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 14933#(or (and (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))))) (not (= main_~next~0.base 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 14934#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)))), 14935#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (not (= (select |#valid| |main_#t~mem20.base|) 1)))), 14936#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_#t~mem21.base|))))), 14937#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= main_~next~1.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~1.base))))), 14938#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 14939#(= 1 (select |#valid| main_~next~1.base)), 14940#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 14941#(= 1 (select |#valid| |main_#t~mem20.base|))] [2018-02-04 16:02:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 16:02:38,479 INFO L409 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-02-04 16:02:38,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-02-04 16:02:38,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=3500, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 16:02:38,480 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 61 states. [2018-02-04 16:02:40,652 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 131 DAG size of output 82 [2018-02-04 16:02:40,883 WARN L146 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 152 DAG size of output 86 [2018-02-04 16:02:41,139 WARN L146 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 163 DAG size of output 82 [2018-02-04 16:02:41,326 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 101 DAG size of output 68 [2018-02-04 16:02:41,638 WARN L146 SmtUtils]: Spent 209ms on a formula simplification. DAG size of input: 136 DAG size of output 108 [2018-02-04 16:02:42,092 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 114 DAG size of output 69 [2018-02-04 16:02:42,293 WARN L146 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 135 DAG size of output 73 [2018-02-04 16:02:43,286 WARN L146 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 107 DAG size of output 78 [2018-02-04 16:02:44,162 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 108 DAG size of output 85 [2018-02-04 16:02:44,379 WARN L146 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 116 DAG size of output 91 [2018-02-04 16:02:44,717 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 111 DAG size of output 88 [2018-02-04 16:02:44,903 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 100 DAG size of output 81 [2018-02-04 16:02:45,056 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 91 DAG size of output 72 [2018-02-04 16:02:45,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:45,481 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2018-02-04 16:02:45,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-04 16:02:45,482 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 118 [2018-02-04 16:02:45,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:45,482 INFO L225 Difference]: With dead ends: 159 [2018-02-04 16:02:45,482 INFO L226 Difference]: Without dead ends: 159 [2018-02-04 16:02:45,483 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2757 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=770, Invalid=11662, Unknown=0, NotChecked=0, Total=12432 [2018-02-04 16:02:45,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-04 16:02:45,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2018-02-04 16:02:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 16:02:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 148 transitions. [2018-02-04 16:02:45,485 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 148 transitions. Word has length 118 [2018-02-04 16:02:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:45,485 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 148 transitions. [2018-02-04 16:02:45,485 INFO L433 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-02-04 16:02:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 148 transitions. [2018-02-04 16:02:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-02-04 16:02:45,486 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:45,486 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:45,486 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:45,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1755396666, now seen corresponding path program 5 times [2018-02-04 16:02:45,487 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:45,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:02:47,915 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 93 DAG size of output 54 [2018-02-04 16:02:48,371 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 79 DAG size of output 66 [2018-02-04 16:02:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 21 proven. 101 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:02:50,624 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:02:50,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-02-04 16:02:50,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:02:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:02:50,625 INFO L182 omatonBuilderFactory]: Interpolants [15360#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15361#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15362#(and (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= append_~item~0.offset 0) (= (select |#valid| append_~plist.base) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15363#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15364#(and (or (= append_~plist.base append_~item~0.base) (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (not (= |append_#t~mem5.offset| 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15365#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))))), 15366#(and (or (= append_~plist.base append_~item~0.base) (and (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset))) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15367#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (and (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))) (= append_~plist.base append_~item~0.base))), 15368#(or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| |append_#in~plist.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1))), 15369#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 15370#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15371#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 15372#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 15373#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 15374#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 15375#(and (= append_~plist.base |append_#in~plist.base|) (or (and (= 0 append_~item~0.offset) (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 1) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 15376#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (and (= (select |#valid| (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) 1) (= (select (store |#memory_$Pointer$.base| append_~item~0.base (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|)) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 15377#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) 1) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))) (or (= |#valid| |old(#valid)|) (= (@diff |old(#valid)| |#valid|) append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 15378#(or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (= (@diff |old(#valid)| |#valid|) (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#valid| |old(#valid)|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (and (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 1)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))), 15379#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 1)), 15380#(and (= append_~item~0.offset 0) (or (and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= |#valid| |old(#valid)|) (and (not (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|))))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= |append_#t~mem5.base| append_~item~0.base)) (or (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (not (= |append_#t~mem5.base| append_~item~0.base))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 15381#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (and (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~mem6.base|) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= |#valid| |old(#valid)|) (and (not (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|))))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 15382#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) |append_#t~ite8.base|)) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= |#valid| |old(#valid)|) (and (not (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|))))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 15383#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)) (or (= append_~plist.base append_~item~0.base) (and (or (and (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (or (= |#valid| |old(#valid)|) (and (not (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|))))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0)))), 15384#(and (or (and (or (= (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~plist.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= |#memory_$Pointer$.base| (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|))) (= |#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|))))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (or (= |#valid| |old(#valid)|) (and (not (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|))))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0))), 15385#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15386#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15387#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= |main_#t~mem14.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0) |main_#t~mem14.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|))), 15388#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15389#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= |main_#t~mem15.offset| 0)) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15390#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15391#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15392#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 |main_#t~mem17.offset|)) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select (store |#valid| |main_#t~mem17.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15393#(or (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0) main_~next~0.base)) (not (= main_~next~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15394#(or (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)))), 15395#(or (= 0 (select |#valid| |main_#t~mem20.base|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 15396#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= |main_~#list~0.base| |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_#t~mem21.base| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0) |main_#t~mem21.base|)))), 15397#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0) main_~next~1.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= main_~next~1.base 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0))))), 15398#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0) main_~next~1.base)) (= 1 (select (store |#valid| |main_#t~mem22.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0))) (not (= main_~next~1.base 0)) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= 0 |main_#t~mem22.offset|))), 15399#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0) main_~next~1.base)) (not (= main_~next~1.base 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0)))), 15400#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 15401#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))))), 15402#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_#t~mem21.base|))))), 15403#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= main_~next~1.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~1.base))))), 15404#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 15405#(= 1 (select |#valid| main_~next~1.base)), 15406#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 15407#(= 1 (select |#valid| |main_#t~mem20.base|)), 15345#true, 15346#false, 15347#(= (select |#valid| |main_~#list~0.base|) 1), 15348#(= |#valid| |old(#valid)|), 15349#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 15350#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 15351#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 15352#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 15353#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 15354#(and (= append_~plist.base |append_#in~plist.base|) (not (= append_~item~0.base |append_#t~ite8.base|)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 15355#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~plist.base append_~item~0.base) (not (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4))))) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 15356#(and (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 15357#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 15358#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15359#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 16:02:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 21 proven. 101 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-02-04 16:02:50,625 INFO L409 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-02-04 16:02:50,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-02-04 16:02:50,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=3752, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 16:02:50,626 INFO L87 Difference]: Start difference. First operand 142 states and 148 transitions. Second operand 63 states. [2018-02-04 16:02:52,957 WARN L146 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 130 DAG size of output 85 [2018-02-04 16:02:53,258 WARN L146 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 152 DAG size of output 92 [2018-02-04 16:02:53,606 WARN L146 SmtUtils]: Spent 192ms on a formula simplification. DAG size of input: 171 DAG size of output 91 [2018-02-04 16:02:54,235 WARN L146 SmtUtils]: Spent 242ms on a formula simplification. DAG size of input: 147 DAG size of output 111 [2018-02-04 16:02:54,673 WARN L146 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 116 DAG size of output 74 [2018-02-04 16:02:54,906 WARN L146 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 138 DAG size of output 82 [2018-02-04 16:02:55,581 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 118 DAG size of output 113 [2018-02-04 16:02:55,945 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 99 DAG size of output 93 [2018-02-04 16:02:56,160 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 105 DAG size of output 96 [2018-02-04 16:02:56,925 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 85 DAG size of output 81 [2018-02-04 16:02:57,157 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 105 DAG size of output 101 [2018-02-04 16:02:57,413 WARN L146 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 121 DAG size of output 116 [2018-02-04 16:02:57,662 WARN L146 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 100 DAG size of output 96 [2018-02-04 16:02:57,940 WARN L146 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 110 DAG size of output 106 [2018-02-04 16:02:58,164 WARN L146 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 104 DAG size of output 99 [2018-02-04 16:02:58,342 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 94 DAG size of output 89 [2018-02-04 16:02:59,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:02:59,713 INFO L93 Difference]: Finished difference Result 173 states and 181 transitions. [2018-02-04 16:02:59,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-02-04 16:02:59,713 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 128 [2018-02-04 16:02:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:02:59,714 INFO L225 Difference]: With dead ends: 173 [2018-02-04 16:02:59,714 INFO L226 Difference]: Without dead ends: 173 [2018-02-04 16:02:59,715 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2883 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=724, Invalid=13082, Unknown=0, NotChecked=0, Total=13806 [2018-02-04 16:02:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-04 16:02:59,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 152. [2018-02-04 16:02:59,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-02-04 16:02:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 160 transitions. [2018-02-04 16:02:59,719 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 160 transitions. Word has length 128 [2018-02-04 16:02:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:02:59,719 INFO L432 AbstractCegarLoop]: Abstraction has 152 states and 160 transitions. [2018-02-04 16:02:59,719 INFO L433 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-02-04 16:02:59,719 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 160 transitions. [2018-02-04 16:02:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-02-04 16:02:59,720 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:02:59,720 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:02:59,720 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:02:59,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1755396667, now seen corresponding path program 2 times [2018-02-04 16:02:59,721 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:02:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:02:59,749 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:03:01,127 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 79 DAG size of output 59 [2018-02-04 16:03:01,962 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 80 DAG size of output 49 [2018-02-04 16:03:02,683 WARN L143 SmtUtils]: Spent 135ms on a formula simplification that was a NOOP. DAG size: 73 [2018-02-04 16:03:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 16:03:04,463 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:03:04,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-02-04 16:03:04,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:03:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 16:03:04,464 INFO L182 omatonBuilderFactory]: Interpolants [15872#(and (= append_~plist.base |append_#in~plist.base|) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15873#(and (= append_~plist.base |append_#in~plist.base|) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8)) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 15874#(and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (= |append_#t~mem5.base| append_~plist.base) (and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8)) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 15875#(and (= append_~plist.base |append_#in~plist.base|) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (or (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8)) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 15876#(and (or (not (= append_~plist.base append_~item~0.base)) (and (= append_~item~0.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (or (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8)) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|))) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 15877#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (and (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~plist.base|)) (= |#memory_$Pointer$.base| (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (= (@diff (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|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (@diff (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|))) (= (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 (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))) (or (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|))) (= |#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 (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|))), 15878#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15879#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15880#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0))) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|))), 15881#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15882#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (not (= 0 |main_#t~mem17.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15883#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15884#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 15885#(or (= 0 (select |#valid| |main_#t~mem20.base|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 15886#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) 0)) (not (= |main_~#list~0.base| |main_#t~mem21.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0))))), 15887#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.offset)) main_~next~1.base) 0)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0))))), 15888#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.offset)) main_~next~1.base) 0)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0)))) (not (= 0 |main_#t~mem22.offset|))), 15889#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.offset)) main_~next~1.base) 0)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0)))), 15890#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))), 15891#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))))), 15892#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (<= 8 (select |#length| |main_#t~mem21.base|))) (or (= 0 |main_#t~mem21.offset|) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))))), 15893#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 main_~next~1.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (<= 8 (select |#length| main_~next~1.base)))), 15894#(and (or (<= 8 (select |#length| main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))) (or (= 0 main_~next~1.offset) (not (= 0 |main_#t~mem22.offset|)))), 15895#(and (= 0 main_~next~1.offset) (<= 8 (select |#length| main_~next~1.base))), 15896#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))), 15897#(and (<= 8 (select |#length| |main_#t~mem20.base|)) (= |main_#t~mem20.offset| 0)), 15843#true, 15844#false, 15845#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 15846#(and (= append_~plist.base |append_#in~plist.base|) (= 8 (select |#length| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 15847#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 8 (select |#length| append_~item~0.base)) (= append_~plist.offset |append_#in~plist.offset|)), 15848#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 8 (select |#length| append_~item~0.base)) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 15849#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= 8 (select |#length| append_~item~0.base)) (not (= append_~item~0.base |append_#t~malloc7.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 15850#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 15851#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 15852#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15853#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15854#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= (store |old(#length)| |append_#t~malloc1.base| (select |#length| |append_#t~malloc1.base|)) |#length|) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15855#(and (or (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= append_~plist.base append_~item~0.base)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15856#(and (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= append_~item~0.offset 0) (= (select |#valid| append_~plist.base) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15857#(and (or (= append_~plist.base append_~item~0.base) (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15858#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (or (= (select |old(#length)| |append_#t~mem5.base|) (select |#length| |append_#t~mem5.base|)) (= 0 (select |old(#valid)| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15859#(and (or (= append_~plist.base append_~item~0.base) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 1) (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (<= 8 (select |old(#length)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)))) (= append_~plist.offset |append_#in~plist.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 15860#(or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select |#valid| |append_#in~plist.base|) 1) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 1) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (<= 8 (select |old(#length)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)))))), 15861#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 15862#(and (= append_~plist.base |append_#in~plist.base|) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base append_~plist.base) (= append_~item~0.offset 0)) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15863#(and (= append_~plist.base |append_#in~plist.base|) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base append_~plist.base) (= append_~item~0.offset 0)) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 15864#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.base append_~plist.base) (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 15865#(and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (or (and (or (and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~item~0.base append_~plist.base) (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))))) (= |append_#t~mem5.base| append_~item~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (not (= |append_#t~mem5.base| append_~item~0.base)))) (= |append_#t~mem5.base| append_~plist.base))), 15866#(or (and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 1) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))))), 15867#(or (and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) 1) (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)), 15868#(or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (and (or (= 0 (select |old(#valid)| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 1)) (= 0 (select |old(#valid)| |append_#in~plist.base|))))), 15869#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 1)), 15870#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= (store |old(#length)| |append_#t~malloc1.base| (select |#length| |append_#t~malloc1.base|)) |#length|) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select |#length| |append_#t~malloc1.base|) 8)), 15871#(and (= append_~plist.base |append_#in~plist.base|) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (= |old(#length)| |#length|) (= (select |#length| (@diff |old(#length)| |#length|)) 8)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-04 16:03:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 112 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 16:03:04,464 INFO L409 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-02-04 16:03:04,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-02-04 16:03:04,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 16:03:04,465 INFO L87 Difference]: Start difference. First operand 152 states and 160 transitions. Second operand 55 states. [2018-02-04 16:03:06,170 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 140 DAG size of output 80 [2018-02-04 16:03:07,026 WARN L146 SmtUtils]: Spent 614ms on a formula simplification. DAG size of input: 182 DAG size of output 161 [2018-02-04 16:03:08,116 WARN L146 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 129 DAG size of output 90 [2018-02-04 16:03:08,464 WARN L146 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 165 DAG size of output 98 [2018-02-04 16:03:11,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:03:11,209 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2018-02-04 16:03:11,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 16:03:11,209 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 128 [2018-02-04 16:03:11,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:03:11,210 INFO L225 Difference]: With dead ends: 185 [2018-02-04 16:03:11,210 INFO L226 Difference]: Without dead ends: 185 [2018-02-04 16:03:11,211 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 12 SyntacticMatches, 4 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2157 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=594, Invalid=9108, Unknown=0, NotChecked=0, Total=9702 [2018-02-04 16:03:11,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-02-04 16:03:11,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 157. [2018-02-04 16:03:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-02-04 16:03:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2018-02-04 16:03:11,213 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 128 [2018-02-04 16:03:11,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:03:11,214 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2018-02-04 16:03:11,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-02-04 16:03:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2018-02-04 16:03:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-02-04 16:03:11,214 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:03:11,215 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:03:11,215 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:03:11,215 INFO L82 PathProgramCache]: Analyzing trace with hash -987152489, now seen corresponding path program 4 times [2018-02-04 16:03:11,215 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:03:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:03:11,239 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:03:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-02-04 16:03:11,315 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:03:11,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 16:03:11,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:03:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-02-04 16:03:11,316 INFO L182 omatonBuilderFactory]: Interpolants [16336#(<= 3 main_~length~0), 16337#(<= 4 main_~length~0), 16331#true, 16332#false, 16333#(= main_~length~0 0), 16334#(<= 1 main_~length~0), 16335#(<= 2 main_~length~0)] [2018-02-04 16:03:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-02-04 16:03:11,316 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 16:03:11,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 16:03:11,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:03:11,316 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 7 states. [2018-02-04 16:03:11,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:03:11,338 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2018-02-04 16:03:11,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 16:03:11,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2018-02-04 16:03:11,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:03:11,338 INFO L225 Difference]: With dead ends: 158 [2018-02-04 16:03:11,339 INFO L226 Difference]: Without dead ends: 158 [2018-02-04 16:03:11,339 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:03:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-02-04 16:03:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2018-02-04 16:03:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-02-04 16:03:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-02-04 16:03:11,340 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 130 [2018-02-04 16:03:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:03:11,340 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-02-04 16:03:11,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 16:03:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-02-04 16:03:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-02-04 16:03:11,341 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:03:11,341 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:03:11,341 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:03:11,341 INFO L82 PathProgramCache]: Analyzing trace with hash -499674570, now seen corresponding path program 2 times [2018-02-04 16:03:11,341 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:03:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:03:11,354 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:03:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:03:13,484 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:03:13,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-02-04 16:03:13,484 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:03:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:03:13,484 INFO L182 omatonBuilderFactory]: Interpolants [16653#true, 16654#false, 16655#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 16656#(and (= append_~plist.base |append_#in~plist.base|) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 16657#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|)), 16658#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))), 16659#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| |main_~#list~0.base|) 1)), 16660#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16661#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16662#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16663#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 16664#(and (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset)) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 16665#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= (select |#valid| append_~plist.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)))), 16666#(or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= 0 (select |old(#valid)| |append_#in~plist.base|))), 16667#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 16668#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16669#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16670#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16671#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16672#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16673#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 16674#(and (= append_~plist.base |append_#in~plist.base|) (or (= |append_#t~mem5.base| append_~plist.base) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= append_~item~0.offset 0) (= |append_#t~mem5.base| append_~item~0.base)))) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |#memory_$Pointer$.offset| |append_#t~mem5.base|) (select |old(#memory_$Pointer$.offset)| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 16675#(or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 1) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))))), 16676#(or (and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) 1) (= append_~item~0.offset 0) (= (select (store |#memory_$Pointer$.offset| append_~plist.base (store (select |#memory_$Pointer$.offset| append_~plist.base) append_~plist.offset append_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)), 16677#(or (and (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (and (= (select |old(#memory_$Pointer$.offset)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 1)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)), 16678#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 1)), 16679#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16680#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16681#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 16682#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 16683#(and (= append_~plist.base |append_#in~plist.base|) (or (not (= |append_#t~mem5.base| append_~item~0.base)) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0)) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (or (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= |append_#t~mem5.base| append_~plist.base)) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= 0 (select |old(#valid)| append_~item~0.base))) (= |append_#t~mem5.base| append_~item~0.base))), 16684#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (and (= append_~plist.base |append_#in~plist.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))))) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= 0 (select |old(#valid)| append_~item~0.base)))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 16685#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (or (= append_~plist.base append_~item~0.base) (and (or (and (= append_~plist.base |append_#in~plist.base|) (or (and (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= (store |old(#memory_$Pointer$.offset)| append_~item~0.base (select |#memory_$Pointer$.offset| append_~item~0.base)) |#memory_$Pointer$.offset|) (= 0 (select |old(#valid)| append_~item~0.base))) (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.base (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 16686#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (and (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~plist.base|)) (or (= (@diff (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|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (@diff (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|))) (= (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|))))), 16687#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16688#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16689#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0)) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)))))), 16690#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16691#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 |main_#t~mem17.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16692#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0)) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16693#(or (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))))), 16694#(or (= 0 (select |#valid| |main_#t~mem20.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16695#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem21.base|) 0)) (not (= |main_~#list~0.base| |main_#t~mem21.base|))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16696#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.offset)) main_~next~1.base) 0))), 16697#(or (not (= 0 |main_#t~mem22.offset|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.offset)) main_~next~1.base) 0))), 16698#(= 0 (select (select (store |#memory_$Pointer$.offset| |main_~#list~0.base| (store (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.offset)) main_~next~1.base) 0)), 16699#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)), 16700#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 16701#(or (= 0 |main_#t~mem21.offset|) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 16702#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 main_~next~1.offset)), 16703#(or (= 0 main_~next~1.offset) (not (= 0 |main_#t~mem22.offset|))), 16704#(= 0 main_~next~1.offset), 16705#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)), 16706#(= 0 |main_#t~mem22.offset|)] [2018-02-04 16:03:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:03:13,484 INFO L409 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-02-04 16:03:13,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-02-04 16:03:13,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=2697, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 16:03:13,485 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 54 states. [2018-02-04 16:03:14,118 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 88 DAG size of output 84 [2018-02-04 16:03:15,309 WARN L146 SmtUtils]: Spent 204ms on a formula simplification. DAG size of input: 124 DAG size of output 114 [2018-02-04 16:03:17,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:03:17,057 INFO L93 Difference]: Finished difference Result 165 states and 170 transitions. [2018-02-04 16:03:17,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 16:03:17,058 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 131 [2018-02-04 16:03:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:03:17,058 INFO L225 Difference]: With dead ends: 165 [2018-02-04 16:03:17,058 INFO L226 Difference]: Without dead ends: 165 [2018-02-04 16:03:17,059 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2376 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=611, Invalid=8895, Unknown=0, NotChecked=0, Total=9506 [2018-02-04 16:03:17,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-04 16:03:17,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160. [2018-02-04 16:03:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-02-04 16:03:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 167 transitions. [2018-02-04 16:03:17,061 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 167 transitions. Word has length 131 [2018-02-04 16:03:17,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:03:17,061 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 167 transitions. [2018-02-04 16:03:17,061 INFO L433 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-02-04 16:03:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 167 transitions. [2018-02-04 16:03:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-02-04 16:03:17,062 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:03:17,062 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:03:17,062 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:03:17,062 INFO L82 PathProgramCache]: Analyzing trace with hash 849077047, now seen corresponding path program 2 times [2018-02-04 16:03:17,063 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:03:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:03:17,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:03:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 41 proven. 97 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 16:03:19,243 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:03:19,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-02-04 16:03:19,243 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:03:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 16:03:19,243 INFO L182 omatonBuilderFactory]: Interpolants [17152#(and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (or (and (or (and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (not (= |append_#t~mem5.base| append_~item~0.base))) (or (and (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= 0 (select |old(#valid)| append_~item~0.base))) (= |append_#t~mem5.base| append_~item~0.base))) (= |append_#t~mem5.base| append_~plist.base)) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 17153#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= 0 (select |old(#valid)| append_~item~0.base))))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 17154#(and (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (or (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (= 0 (select |old(#valid)| append_~item~0.base))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)))) (= append_~item~0.offset 0))) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 17155#(and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~plist.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= |#memory_$Pointer$.base| (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (or (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~plist.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|))) (= |#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|))))))) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0))), 17156#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17157#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17158#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|))), 17159#(and (or (and (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0))), 17160#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (and (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 0 |main_#t~mem17.offset|)) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17161#(or (and (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)) 0))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17162#(or (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17163#(or (= 0 (select |#valid| |main_#t~mem20.base|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 17164#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_~#list~0.base| |main_#t~mem21.base|)) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem21.base|) 0))))), 17165#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0)))), 17166#(or (not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0))) (not (= 0 |main_#t~mem22.offset|))), 17167#(not (= |main_~#list~0.base| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~1.base)) main_~next~1.base) 0))), 17168#(not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))), 17169#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 17170#(or (not (= |main_~#list~0.base| |main_#t~mem21.base|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17171#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| main_~next~1.base))), 17172#(or (not (= |main_~#list~0.base| main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))), 17173#(not (= |main_~#list~0.base| main_~next~1.base)), 17174#(and (not (= |main_~#list~0.base| |main_#t~mem22.base|)) (= 1 (select |#valid| |main_~#list~0.base|))), 17123#true, 17124#false, 17125#(= 1 (select |#valid| |main_~#list~0.base|)), 17126#(= |#valid| |old(#valid)|), 17127#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 17128#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= append_~plist.offset |append_#in~plist.offset|)), 17129#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 17130#(and (= (select |#valid| |append_#in~plist.base|) 1) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 17131#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1)), 17132#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)), 17133#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 17134#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 17135#(and (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (or (= append_~plist.base append_~item~0.base) (and (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base)))), 17136#(and (or (= append_~plist.base append_~item~0.base) (and (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~plist.base) 1)), 17137#(and (or (= append_~plist.base append_~item~0.base) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base))) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= (select |#valid| append_~plist.base) 1)), 17138#(or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |#valid| |append_#in~plist.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (not (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))))), 17139#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| |main_~#list~0.base|) 1) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 17140#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 17141#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 17142#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base)))) (= append_~item~0.base append_~plist.base))), 17143#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (or (= append_~item~0.base append_~plist.base) (and (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (not (= |append_#t~mem5.base| append_~plist.base))) (= append_~item~0.offset 0) (or (and (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.base|) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|)) (= |append_#t~mem5.base| append_~item~0.base))) (= |append_#t~mem5.base| append_~plist.base)))) (= 0 (select |old(#valid)| append_~item~0.base))), 17144#(and (= append_~plist.base |append_#in~plist.base|) (or (= append_~item~0.base append_~plist.base) (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))))) (= append_~item~0.offset 0))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 17145#(and (= append_~plist.base |append_#in~plist.base|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~item~0.base append_~plist.base) (and (= append_~item~0.offset 0) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))))), 17146#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (= (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)))) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))), 17147#(and (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 17148#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|)), 17149#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 17150#(and (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 17151#(and (= append_~plist.base |append_#in~plist.base|) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)))] [2018-02-04 16:03:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 41 proven. 97 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 16:03:19,244 INFO L409 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-02-04 16:03:19,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-02-04 16:03:19,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=2505, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 16:03:19,244 INFO L87 Difference]: Start difference. First operand 160 states and 167 transitions. Second operand 52 states. [2018-02-04 16:03:19,726 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 80 DAG size of output 73 [2018-02-04 16:03:20,219 WARN L146 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 103 DAG size of output 86 [2018-02-04 16:03:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:03:21,778 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2018-02-04 16:03:21,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 16:03:21,778 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 133 [2018-02-04 16:03:21,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:03:21,778 INFO L225 Difference]: With dead ends: 164 [2018-02-04 16:03:21,778 INFO L226 Difference]: Without dead ends: 164 [2018-02-04 16:03:21,779 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 7 SyntacticMatches, 6 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1739 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=496, Invalid=6644, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 16:03:21,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-02-04 16:03:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2018-02-04 16:03:21,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-04 16:03:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2018-02-04 16:03:21,781 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 133 [2018-02-04 16:03:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:03:21,781 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2018-02-04 16:03:21,782 INFO L433 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-02-04 16:03:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2018-02-04 16:03:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-02-04 16:03:21,782 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:03:21,783 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 16:03:21,783 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:03:21,783 INFO L82 PathProgramCache]: Analyzing trace with hash -212284726, now seen corresponding path program 6 times [2018-02-04 16:03:21,783 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:03:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:03:21,798 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:03:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-02-04 16:03:21,852 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:03:21,852 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 16:03:21,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:03:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-02-04 16:03:21,852 INFO L182 omatonBuilderFactory]: Interpolants [17568#false, 17569#(= main_~length~0 0), 17570#(<= main_~length~0 1), 17571#(<= main_~length~0 2), 17572#(<= main_~length~0 3), 17573#(<= main_~length~0 4), 17574#(<= main_~length~0 0), 17567#true] [2018-02-04 16:03:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-02-04 16:03:21,853 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 16:03:21,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 16:03:21,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:03:21,853 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 8 states. [2018-02-04 16:03:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:03:21,877 INFO L93 Difference]: Finished difference Result 173 states and 181 transitions. [2018-02-04 16:03:21,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 16:03:21,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2018-02-04 16:03:21,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:03:21,877 INFO L225 Difference]: With dead ends: 173 [2018-02-04 16:03:21,877 INFO L226 Difference]: Without dead ends: 173 [2018-02-04 16:03:21,877 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:03:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-02-04 16:03:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2018-02-04 16:03:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-02-04 16:03:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 177 transitions. [2018-02-04 16:03:21,879 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 177 transitions. Word has length 138 [2018-02-04 16:03:21,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:03:21,879 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 177 transitions. [2018-02-04 16:03:21,879 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 16:03:21,879 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 177 transitions. [2018-02-04 16:03:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-02-04 16:03:21,880 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:03:21,880 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:03:21,880 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:03:21,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1431653026, now seen corresponding path program 7 times [2018-02-04 16:03:21,880 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:03:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:03:21,909 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:03:26,287 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 79 DAG size of output 54 [2018-02-04 16:03:26,497 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 84 DAG size of output 52 [2018-02-04 16:03:26,687 WARN L146 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 75 DAG size of output 58 [2018-02-04 16:03:26,918 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 78 DAG size of output 58 [2018-02-04 16:03:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 46 proven. 125 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-02-04 16:03:28,910 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:03:28,910 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-02-04 16:03:28,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:03:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-02-04 16:03:28,922 INFO L182 omatonBuilderFactory]: Interpolants [17920#(= (select |#valid| 0) 0), 17921#(and (= (select |#valid| 0) 0) (= (select |#valid| |main_~#list~0.base|) 1)), 17922#(= |#valid| |old(#valid)|), 17923#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= append_~plist.offset |append_#in~plist.offset|)), 17924#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 0 |append_#t~malloc1.offset|) (= append_~plist.offset |append_#in~plist.offset|)), 17925#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 17926#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| |append_#t~malloc7.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 17927#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= append_~item~0.offset 0) (= 1 (select |#valid| |append_#t~ite8.base|)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= append_~plist.offset |append_#in~plist.offset|)), 17928#(and (or (and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)))) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)) (= append_~plist.base append_~item~0.base)) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (not (= append_~plist.base append_~item~0.base)) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 17929#(and (= (select |old(#valid)| 0) (select |#valid| 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| |append_#in~plist.base|)))), 17930#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4))) (= (select |#valid| 0) 0) (= (select |#valid| |main_~#list~0.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)), 17931#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 17932#(and (= append_~plist.base |append_#in~plist.base|) (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 17933#(and (= append_~plist.base |append_#in~plist.base|) (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 17934#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 17935#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset)) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 17936#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |#valid| |append_#in~plist.base|) 1) (= (select |old(#valid)| 0) (select |#valid| 0)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 17937#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (not (= |append_#t~mem5.offset| 0)) (and (= (select |#valid| |append_#in~plist.base|) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= (select |#valid| append_~item~0.base) 1) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= 0 (select |old(#valid)| append_~item~0.base))), 17938#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= (select |#valid| |append_#in~plist.base|) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))))) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 17939#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= 0 append_~item~0.offset) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= (select |#valid| |append_#in~plist.base|) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))))))), 17940#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~plist.base append_~item~0.base) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (select |#valid| |append_#in~plist.base|) 1) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= 0 append_~item~0.offset)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (= (select |old(#valid)| 0) (select |#valid| 0)) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base))), 17941#(and (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)) (or (= 0 (select |old(#valid)| |append_#in~plist.base|)) (and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (select |#valid| |append_#in~plist.base|) 1) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)))))), 17942#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= |append_#t~mem5.base| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (= |old(#valid)| (store |#valid| append_~item~0.base 0))) (not (= |append_#t~mem5.offset| 0))) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|)), 17943#(and (= append_~plist.base |append_#in~plist.base|) (or (and (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |old(#valid)| (store |#valid| append_~item~0.base 0)))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 17944#(and (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= 0 (select |old(#valid)| append_~item~0.base)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= |old(#valid)| (store |#valid| append_~item~0.base 0)))))) (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (= append_~plist.offset |append_#in~plist.offset|)), 17945#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 1 (select |#valid| append_~plist.base)) (= append_~item~0.offset 0) (= (select |#valid| append_~item~0.base) 1) (or (and (or (= append_~item~0.base append_~plist.base) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (and (= |old(#valid)| (store |#valid| append_~item~0.base 0)) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)))) (= 0 (select |old(#valid)| append_~item~0.base))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (= append_~plist.offset |append_#in~plist.offset|)), 17946#(and (= 1 (select |#valid| |append_#in~plist.base|)) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (and (= |old(#valid)| (store |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4))) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 1)), 17947#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= (select |#valid| 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1) (= 1 (select |#valid| |main_~#list~0.base|))), 17948#(and (= 0 (select |old(#valid)| |append_#t~malloc1.base|)) (not (= |append_#t~malloc1.base| 0)) (= 0 |append_#t~malloc1.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= append_~plist.offset |append_#in~plist.offset|) (= |append_#in~plist.base| append_~plist.base) (= |#valid| (store |old(#valid)| |append_#t~malloc1.base| (select |#valid| |append_#t~malloc1.base|))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 17949#(and (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 17950#(and (= (select (select |#memory_$Pointer$.offset| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.offset|) (= 0 append_~item~0.offset) (= append_~plist.base |append_#in~plist.base|) (= (select (select |#memory_$Pointer$.base| append_~plist.base) |append_#in~plist.offset|) |append_#t~mem3.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 17951#(and (= append_~plist.base |append_#in~plist.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= (select |old(#valid)| append_~item~0.base) 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= append_~item~0.base 0)) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.offset| append_~item~0.base) append_~item~0.offset))), 17952#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (and (or (= append_~item~0.base |append_#t~mem5.base|) (= (select |old(#memory_$Pointer$.base)| |append_#t~mem5.base|) (select |#memory_$Pointer$.base| |append_#t~mem5.base|))) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|)) (not (= |append_#t~mem5.offset| 0))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 17953#(and (= append_~plist.base |append_#in~plist.base|) (= (select |old(#valid)| 0) (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (and (= |append_#t~mem6.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|)) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0))) (not (= append_~item~0.base 0))), 17954#(and (= append_~plist.base |append_#in~plist.base|) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset))) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#t~ite8.base| (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)) (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|))) (= append_~item~0.offset 0) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 17955#(and (or (= append_~plist.base append_~item~0.base) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= (store |old(#valid)| append_~item~0.base (select |#valid| append_~item~0.base)) |#valid|) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset)) 4)))) (= (select |old(#valid)| 0) (select |#valid| 0)) (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~item~0.offset 0) (or (= append_~plist.base append_~item~0.base) (and (= append_~plist.base |append_#in~plist.base|) (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset))))) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0))), 17956#(and (or (and (= (select |old(#valid)| 0) (select |#valid| 0)) (= 0 (select |old(#valid)| |append_#in~plist.base|))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select |old(#valid)| 0) (select |#valid| 0)))) (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= 0 (select |old(#valid)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (or (= (select |old(#valid)| |append_#in~plist.base|) 0) (and (= |#valid| (store |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |old(#memory_$Pointer$.base)| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~plist.base|) |append_#in~plist.offset|))))), 17957#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (or (= (select |#valid| 0) 0) (= 1 (select |#valid| 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))), 17958#(and (= append_~plist.base |append_#in~plist.base|) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.offset 0) (= |append_#t~mem5.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (or (= |append_#t~mem5.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#t~mem5.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (or (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= |append_#t~mem5.base| append_~plist.base) (= |append_#t~mem5.base| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 17959#(and (= append_~plist.base |append_#in~plist.base|) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (and (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= |append_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) 4)) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (or (and (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| append_~plist.base) append_~plist.offset))) (and (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (and (= (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)))) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 17960#(and (= append_~plist.base |append_#in~plist.base|) (or (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.base (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (or (= |append_#t~ite8.base| (select (select (store |#memory_$Pointer$.base| append_~item~0.base (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|)) (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= |append_#in~plist.base| (select (select |#memory_$Pointer$.base| append_~item~0.base) append_~item~0.offset))) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= (select (store (select |#memory_$Pointer$.base| append_~item~0.base) (+ append_~item~0.offset 4) |append_#t~ite8.base|) append_~item~0.offset) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= append_~plist.offset |append_#in~plist.offset|) (= 0 (select |old(#valid)| append_~item~0.base)) (not (= append_~item~0.base 0)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 17961#(and (or (= append_~plist.base append_~item~0.base) (and (or (= |append_#in~plist.base| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~item~0.base (select |#memory_$Pointer$.base| append_~item~0.base))) (= append_~item~0.base (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= append_~plist.base |append_#in~plist.base|) (or (= (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) (+ append_~item~0.offset 4)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) 4)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= |append_#in~plist.base| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (= |#valid| |old(#valid)|) (= append_~item~0.base (@diff |old(#valid)| |#valid|))) (= append_~item~0.offset 0) (= 0 (select |old(#valid)| append_~item~0.base)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select (store |#memory_$Pointer$.base| append_~plist.base (store (select |#memory_$Pointer$.base| append_~plist.base) append_~plist.offset append_~item~0.base)) append_~item~0.base) append_~item~0.offset)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (or (not (= append_~plist.base append_~item~0.base)) (= append_~item~0.base |append_#in~plist.base|)) (= append_~plist.offset |append_#in~plist.offset|) (not (= append_~item~0.base 0))), 17962#(and (not (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (or (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) |append_#in~plist.base|) (and (or (= |#valid| |old(#valid)|) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#valid)| |#valid|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) (or (= |append_#in~plist.base| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (and (or (= |append_#in~plist.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= |append_#in~plist.base| (@diff (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|))) |#memory_$Pointer$.base|)) (= |#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|)))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (@diff (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|))) |#memory_$Pointer$.base|)))) (= (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|) (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|))) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~plist.base|) |append_#in~plist.offset|) 0)) (= |append_#in~plist.base| (select (select |old(#memory_$Pointer$.base)| |append_#in~plist.base|) |append_#in~plist.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |append_#in~plist.base|) |append_#in~plist.offset|)) 0)) 4))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))))), 17963#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0))))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) 0)) (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17964#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|) 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) 4) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|))) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) |main_#t~mem13.offset|)))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17965#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= |main_~#list~0.base| |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) |main_#t~mem14.base|)) (not (= |main_#t~mem14.base| 0)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0) |main_#t~mem14.base|))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0)))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0))), 17966#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0))) (not (= main_~next~0.base 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 4) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17967#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (+ |main_#t~mem15.offset| 4)) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select |#valid| 0) 0) (= 1 (select |#valid| 0))) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17968#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (or (= 1 (select |#valid| |main_#t~mem16.base|)) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (= (select |#valid| |main_#t~mem16.base|) 0)) (not (= |main_#t~mem16.base| 0))) (or (and (= 1 (select (store |#valid| |main_#t~mem16.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 1 (select |#valid| |main_#t~mem16.base|)))) (not (= main_~next~0.base 0))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17969#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0))))) (not (= main_~next~0.base 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17970#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 |main_#t~mem17.offset|)) (and (not (= main_~next~0.base 0)) (or (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (= 1 (select (store |#valid| |main_#t~mem17.base| 0) (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 17971#(or (and (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0) main_~next~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_~#list~0.base| (store (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset| main_~next~0.base)) main_~next~0.base) 0)))) (and (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) main_~next~0.base) (not (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))))) (not (= main_~next~0.base 0))) (and (= 0 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= |main_~#list~0.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)))), 17972#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 0)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|)) 1)))), 17973#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (not (= (select |#valid| |main_#t~mem20.base|) 1)))), 17974#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= |main_#t~mem21.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| |main_#t~mem21.base|))))), 17975#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| |main_~#list~0.base|) |main_~#list~0.offset|))) (and (not (= main_~next~1.base (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))) (= 1 (select |#valid| main_~next~1.base))))), 17976#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|) 0)) (or (= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~next~1.base)) (not (= 0 |main_#t~mem22.offset|))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 17977#(= 1 (select |#valid| main_~next~1.base)), 17978#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#list~0.base|) |main_~#list~0.offset|))), 17979#(= 1 (select |#valid| |main_#t~mem20.base|)), 17918#true, 17919#false] [2018-02-04 16:03:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 46 proven. 125 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-02-04 16:03:28,922 INFO L409 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-02-04 16:03:28,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-02-04 16:03:28,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=3622, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 16:03:28,923 INFO L87 Difference]: Start difference. First operand 170 states and 177 transitions. Second operand 62 states. [2018-02-04 16:03:30,747 WARN L146 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 96 DAG size of output 76 [2018-02-04 16:03:31,414 WARN L146 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 144 DAG size of output 83 [2018-02-04 16:03:31,708 WARN L146 SmtUtils]: Spent 173ms on a formula simplification. DAG size of input: 168 DAG size of output 90 [2018-02-04 16:03:32,012 WARN L146 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 177 DAG size of output 80 [2018-02-04 16:03:32,226 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 107 DAG size of output 68 [2018-02-04 16:03:32,691 WARN L146 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 164 DAG size of output 100 [2018-02-04 16:03:33,445 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 112 DAG size of output 87 [2018-02-04 16:03:33,752 WARN L146 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 108 DAG size of output 74 [2018-02-04 16:03:33,940 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 125 DAG size of output 77 [2018-02-04 16:03:34,738 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 110 DAG size of output 86 [2018-02-04 16:03:34,922 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 118 DAG size of output 92 [2018-02-04 16:03:35,089 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 104 DAG size of output 80 [2018-02-04 16:03:35,276 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 113 DAG size of output 89 [2018-02-04 16:03:35,439 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 102 DAG size of output 82 [2018-02-04 16:03:35,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:03:35,932 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2018-02-04 16:03:35,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-02-04 16:03:35,932 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 139 [2018-02-04 16:03:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:03:35,933 INFO L225 Difference]: With dead ends: 170 [2018-02-04 16:03:35,933 INFO L226 Difference]: Without dead ends: 170 [2018-02-04 16:03:35,933 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 20 SyntacticMatches, 14 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2777 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=735, Invalid=11037, Unknown=0, NotChecked=0, Total=11772 [2018-02-04 16:03:35,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-04 16:03:35,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-02-04 16:03:35,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-02-04 16:03:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 176 transitions. [2018-02-04 16:03:35,935 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 176 transitions. Word has length 139 [2018-02-04 16:03:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:03:35,935 INFO L432 AbstractCegarLoop]: Abstraction has 170 states and 176 transitions. [2018-02-04 16:03:35,935 INFO L433 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-02-04 16:03:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 176 transitions. [2018-02-04 16:03:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-02-04 16:03:35,935 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:03:35,936 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-02-04 16:03:35,936 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-02-04 16:03:35,936 INFO L82 PathProgramCache]: Analyzing trace with hash -2143359961, now seen corresponding path program 5 times [2018-02-04 16:03:35,936 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:03:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:03:35,986 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-02-04 16:03:53,076 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:265) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:203) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 16:03:53,079 INFO L168 Benchmark]: Toolchain (without parser) took 178934.29 ms. Allocated memory was 397.4 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 354.1 MB in the beginning and 1.2 GB in the end (delta: -841.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-02-04 16:03:53,080 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 397.4 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 16:03:53,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.88 ms. Allocated memory is still 397.4 MB. Free memory was 354.1 MB in the beginning and 343.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 16:03:53,080 INFO L168 Benchmark]: Boogie Preprocessor took 24.51 ms. Allocated memory is still 397.4 MB. Free memory was 343.5 MB in the beginning and 342.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 16:03:53,080 INFO L168 Benchmark]: RCFGBuilder took 295.31 ms. Allocated memory is still 397.4 MB. Free memory was 342.2 MB in the beginning and 311.7 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 5.3 GB. [2018-02-04 16:03:53,081 INFO L168 Benchmark]: TraceAbstraction took 178452.88 ms. Allocated memory was 397.4 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 311.7 MB in the beginning and 1.2 GB in the end (delta: -884.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-02-04 16:03:53,082 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 397.4 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 158.88 ms. Allocated memory is still 397.4 MB. Free memory was 354.1 MB in the beginning and 343.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.51 ms. Allocated memory is still 397.4 MB. Free memory was 343.5 MB in the beginning and 342.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 295.31 ms. Allocated memory is still 397.4 MB. Free memory was 342.2 MB in the beginning and 311.7 MB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 178452.88 ms. Allocated memory was 397.4 MB in the beginning and 1.4 GB in the end (delta: 1.0 GB). Free memory was 311.7 MB in the beginning and 1.2 GB in the end (delta: -884.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_16-03-53-087.csv Completed graceful shutdown