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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/length_test03_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:03:33,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:03:33,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:03:33,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:03:33,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:03:33,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:03:33,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:03:33,459 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:03:33,460 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:03:33,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:03:33,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:03:33,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:03:33,462 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:03:33,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:03:33,463 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:03:33,464 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:03:33,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:03:33,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:03:33,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:03:33,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:03:33,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:03:33,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:03:33,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:03:33,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:03:33,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:03:33,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:03:33,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:03:33,472 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:03:33,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:03:33,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:03:33,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:03:33,472 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-02 10:03:33,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:03:33,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:03:33,482 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:03:33,483 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:03:33,483 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:03:33,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:03:33,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:03:33,484 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:03:33,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:03:33,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:03:33,484 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:03:33,484 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:03:33,485 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:03:33,485 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:03:33,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:03:33,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:03:33,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:03:33,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:03:33,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:03:33,486 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:03:33,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:03:33,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:03:33,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:03:33,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:03:33,529 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:03:33,534 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:03:33,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:03:33,536 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:03:33,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_false-valid-memtrack.i [2018-02-02 10:03:33,681 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:03:33,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:03:33,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:03:33,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:03:33,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:03:33,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4817ffc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33, skipping insertion in model container [2018-02-02 10:03:33,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,707 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:03:33,736 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:03:33,843 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:03:33,858 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:03:33,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33 WrapperNode [2018-02-02 10:03:33,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:03:33,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:03:33,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:03:33,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:03:33,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (1/1) ... [2018-02-02 10:03:33,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:03:33,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:03:33,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:03:33,894 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:03:33,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (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 [2018-02-02 10:03:33,933 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:03:33,933 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:03:33,933 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-02-02 10:03:33,933 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:03:33,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:03:33,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:03:33,933 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:03:33,933 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:03:33,933 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:03:33,934 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:03:34,271 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:03:34,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:03:34 BoogieIcfgContainer [2018-02-02 10:03:34,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:03:34,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:03:34,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:03:34,275 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:03:34,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:03:33" (1/3) ... [2018-02-02 10:03:34,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf7f76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:03:34, skipping insertion in model container [2018-02-02 10:03:34,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:03:33" (2/3) ... [2018-02-02 10:03:34,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf7f76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:03:34, skipping insertion in model container [2018-02-02 10:03:34,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:03:34" (3/3) ... [2018-02-02 10:03:34,278 INFO L107 eAbstractionObserver]: Analyzing ICFG length_test03_false-valid-memtrack.i [2018-02-02 10:03:34,286 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:03:34,292 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-02-02 10:03:34,324 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:03:34,324 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:03:34,324 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:03:34,324 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:03:34,324 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:03:34,325 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:03:34,325 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:03:34,325 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:03:34,325 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:03:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-02-02 10:03:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 10:03:34,347 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:34,348 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:34,348 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:34,352 INFO L82 PathProgramCache]: Analyzing trace with hash -683315734, now seen corresponding path program 1 times [2018-02-02 10:03:34,387 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:34,426 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:34,475 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:34,476 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:34,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:34,477 INFO L182 omatonBuilderFactory]: Interpolants [134#true, 135#false, 136#(= 1 (select |#valid| |main_#t~malloc15.base|)), 137#(= 1 (select |#valid| main_~list~0.base))] [2018-02-02 10:03:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:34,478 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:34,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:34,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:34,554 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 4 states. [2018-02-02 10:03:34,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:34,733 INFO L93 Difference]: Finished difference Result 161 states and 170 transitions. [2018-02-02 10:03:34,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:03:34,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 10:03:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:34,745 INFO L225 Difference]: With dead ends: 161 [2018-02-02 10:03:34,746 INFO L226 Difference]: Without dead ends: 158 [2018-02-02 10:03:34,747 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 [2018-02-02 10:03:34,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-02-02 10:03:34,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2018-02-02 10:03:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-02-02 10:03:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 132 transitions. [2018-02-02 10:03:34,786 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 132 transitions. Word has length 8 [2018-02-02 10:03:34,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:34,786 INFO L432 AbstractCegarLoop]: Abstraction has 126 states and 132 transitions. [2018-02-02 10:03:34,786 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 132 transitions. [2018-02-02 10:03:34,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 10:03:34,786 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:34,787 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:34,787 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:34,787 INFO L82 PathProgramCache]: Analyzing trace with hash -683315733, now seen corresponding path program 1 times [2018-02-02 10:03:34,787 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:34,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:34,831 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:34,831 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:34,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:34,832 INFO L182 omatonBuilderFactory]: Interpolants [427#true, 428#false, 429#(and (= 8 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 430#(and (= main_~list~0.offset 0) (= (select |#length| main_~list~0.base) 8))] [2018-02-02 10:03:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:34,833 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:34,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:34,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:34,834 INFO L87 Difference]: Start difference. First operand 126 states and 132 transitions. Second operand 4 states. [2018-02-02 10:03:34,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:34,954 INFO L93 Difference]: Finished difference Result 126 states and 133 transitions. [2018-02-02 10:03:34,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:03:34,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 10:03:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:34,956 INFO L225 Difference]: With dead ends: 126 [2018-02-02 10:03:34,956 INFO L226 Difference]: Without dead ends: 126 [2018-02-02 10:03:34,957 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 [2018-02-02 10:03:34,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-02-02 10:03:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2018-02-02 10:03:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-02-02 10:03:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 130 transitions. [2018-02-02 10:03:34,965 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 130 transitions. Word has length 8 [2018-02-02 10:03:34,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:34,966 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 130 transitions. [2018-02-02 10:03:34,966 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2018-02-02 10:03:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 10:03:34,967 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:34,967 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:34,967 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:34,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1180912018, now seen corresponding path program 1 times [2018-02-02 10:03:34,968 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:34,982 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,020 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:35,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:35,020 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,021 INFO L182 omatonBuilderFactory]: Interpolants [683#true, 684#false, 685#(= 1 (select |#valid| |main_#t~malloc18.base|)), 686#(= 1 (select |#valid| main_~list2~0.base))] [2018-02-02 10:03:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,021 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:35,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:35,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:35,022 INFO L87 Difference]: Start difference. First operand 124 states and 130 transitions. Second operand 4 states. [2018-02-02 10:03:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:35,146 INFO L93 Difference]: Finished difference Result 136 states and 144 transitions. [2018-02-02 10:03:35,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:03:35,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-02-02 10:03:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:35,148 INFO L225 Difference]: With dead ends: 136 [2018-02-02 10:03:35,148 INFO L226 Difference]: Without dead ends: 136 [2018-02-02 10:03:35,148 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 [2018-02-02 10:03:35,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-02-02 10:03:35,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 126. [2018-02-02 10:03:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-02-02 10:03:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 134 transitions. [2018-02-02 10:03:35,152 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 134 transitions. Word has length 12 [2018-02-02 10:03:35,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:35,152 INFO L432 AbstractCegarLoop]: Abstraction has 126 states and 134 transitions. [2018-02-02 10:03:35,153 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2018-02-02 10:03:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 10:03:35,153 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:35,153 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:35,153 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:35,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1180912017, now seen corresponding path program 1 times [2018-02-02 10:03:35,154 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:35,165 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,199 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:35,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:35,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,199 INFO L182 omatonBuilderFactory]: Interpolants [951#true, 952#false, 953#(and (= 0 |main_#t~malloc18.offset|) (= 8 (select |#length| |main_#t~malloc18.base|))), 954#(and (= (select |#length| main_~list2~0.base) 8) (= main_~list2~0.offset 0))] [2018-02-02 10:03:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,200 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:35,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:35,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:35,200 INFO L87 Difference]: Start difference. First operand 126 states and 134 transitions. Second operand 4 states. [2018-02-02 10:03:35,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:35,286 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2018-02-02 10:03:35,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:03:35,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-02-02 10:03:35,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:35,287 INFO L225 Difference]: With dead ends: 126 [2018-02-02 10:03:35,287 INFO L226 Difference]: Without dead ends: 126 [2018-02-02 10:03:35,287 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 [2018-02-02 10:03:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-02-02 10:03:35,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2018-02-02 10:03:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-02-02 10:03:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2018-02-02 10:03:35,293 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 12 [2018-02-02 10:03:35,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:35,293 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2018-02-02 10:03:35,293 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2018-02-02 10:03:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-02 10:03:35,293 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:35,294 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] [2018-02-02 10:03:35,294 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:35,294 INFO L82 PathProgramCache]: Analyzing trace with hash -424566030, now seen corresponding path program 1 times [2018-02-02 10:03:35,295 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:35,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,335 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:35,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:35,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,336 INFO L182 omatonBuilderFactory]: Interpolants [1207#true, 1208#false, 1209#(= 1 (select |#valid| |append_#t~malloc0.base|)), 1210#(= 1 (select |#valid| append_~node~0.base))] [2018-02-02 10:03:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,336 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:35,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:35,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:35,337 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand 4 states. [2018-02-02 10:03:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:35,415 INFO L93 Difference]: Finished difference Result 119 states and 127 transitions. [2018-02-02 10:03:35,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:03:35,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-02 10:03:35,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:35,416 INFO L225 Difference]: With dead ends: 119 [2018-02-02 10:03:35,416 INFO L226 Difference]: Without dead ends: 119 [2018-02-02 10:03:35,416 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 [2018-02-02 10:03:35,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-02-02 10:03:35,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-02-02 10:03:35,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-02 10:03:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 127 transitions. [2018-02-02 10:03:35,422 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 127 transitions. Word has length 20 [2018-02-02 10:03:35,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:35,422 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 127 transitions. [2018-02-02 10:03:35,423 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2018-02-02 10:03:35,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-02 10:03:35,423 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:35,423 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] [2018-02-02 10:03:35,423 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:35,424 INFO L82 PathProgramCache]: Analyzing trace with hash -424566029, now seen corresponding path program 1 times [2018-02-02 10:03:35,425 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:35,438 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,483 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:35,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:35,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,484 INFO L182 omatonBuilderFactory]: Interpolants [1451#true, 1452#false, 1453#(and (= 9 (select |#length| |append_#t~malloc0.base|)) (= 0 |append_#t~malloc0.offset|)), 1454#(and (= append_~node~0.offset 0) (= (select |#length| append_~node~0.base) 9))] [2018-02-02 10:03:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,484 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:35,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:35,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:35,485 INFO L87 Difference]: Start difference. First operand 119 states and 127 transitions. Second operand 4 states. [2018-02-02 10:03:35,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:35,553 INFO L93 Difference]: Finished difference Result 114 states and 122 transitions. [2018-02-02 10:03:35,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:03:35,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-02 10:03:35,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:35,554 INFO L225 Difference]: With dead ends: 114 [2018-02-02 10:03:35,554 INFO L226 Difference]: Without dead ends: 114 [2018-02-02 10:03:35,555 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 [2018-02-02 10:03:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-02-02 10:03:35,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-02-02 10:03:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-02-02 10:03:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2018-02-02 10:03:35,558 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 20 [2018-02-02 10:03:35,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:35,559 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2018-02-02 10:03:35,559 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2018-02-02 10:03:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 10:03:35,559 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:35,559 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] [2018-02-02 10:03:35,559 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:35,559 INFO L82 PathProgramCache]: Analyzing trace with hash -276644944, now seen corresponding path program 1 times [2018-02-02 10:03:35,560 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:35,576 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,648 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:35,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 10:03:35,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,649 INFO L182 omatonBuilderFactory]: Interpolants [1685#true, 1686#false, 1687#(= 1 (select |#valid| |main_#t~malloc15.base|)), 1688#(= 1 (select |#valid| main_~list~0.base)), 1689#(= 1 (select |#valid| |append_#in~head.base|)), 1690#(= 1 (select |#valid| append_~head.base)), 1691#(or (= append_~head.base |append_#t~malloc0.base|) (= (select |#valid| append_~head.base) 1)), 1692#(or (= append_~node~0.base append_~head.base) (= (select |#valid| append_~head.base) 1))] [2018-02-02 10:03:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:35,650 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 10:03:35,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 10:03:35,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-02 10:03:35,650 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand 8 states. [2018-02-02 10:03:35,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:35,900 INFO L93 Difference]: Finished difference Result 177 states and 191 transitions. [2018-02-02 10:03:35,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 10:03:35,901 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-02-02 10:03:35,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:35,902 INFO L225 Difference]: With dead ends: 177 [2018-02-02 10:03:35,902 INFO L226 Difference]: Without dead ends: 177 [2018-02-02 10:03:35,902 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-02-02 10:03:35,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-02 10:03:35,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 135. [2018-02-02 10:03:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-02 10:03:35,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-02-02 10:03:35,905 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 21 [2018-02-02 10:03:35,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:35,905 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-02-02 10:03:35,905 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 10:03:35,905 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-02-02 10:03:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 10:03:35,906 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:35,906 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] [2018-02-02 10:03:35,906 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:35,906 INFO L82 PathProgramCache]: Analyzing trace with hash -276644943, now seen corresponding path program 1 times [2018-02-02 10:03:35,906 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:35,915 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:36,008 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:36,008 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-02 10:03:36,008 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:36,009 INFO L182 omatonBuilderFactory]: Interpolants [2016#(and (= 0 |append_#in~head.offset|) (<= 8 (select |#length| |append_#in~head.base|))), 2017#(and (<= 8 (select |#length| append_~head.base)) (= append_~head.offset 0)), 2009#true, 2010#false, 2011#(and (= 8 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 2012#(and (= 0 main_~list~0.offset) (= (select |#length| main_~list~0.base) 8)), 2013#(and (= 0 main_~list~0.offset) (= (select |#length| main_~list~0.base) 8) (= (select |#valid| main_~list~0.base) 1)), 2014#(and (<= 8 (select |#length| main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset)), 2015#(and (<= 8 (select |#length| main_~list~0.base)) (= 0 main_~list~0.offset))] [2018-02-02 10:03:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:36,009 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 10:03:36,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 10:03:36,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-02-02 10:03:36,009 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 9 states. [2018-02-02 10:03:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:36,197 INFO L93 Difference]: Finished difference Result 187 states and 202 transitions. [2018-02-02 10:03:36,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 10:03:36,198 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-02-02 10:03:36,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:36,199 INFO L225 Difference]: With dead ends: 187 [2018-02-02 10:03:36,199 INFO L226 Difference]: Without dead ends: 187 [2018-02-02 10:03:36,199 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-02-02 10:03:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-02 10:03:36,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 162. [2018-02-02 10:03:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-02 10:03:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2018-02-02 10:03:36,202 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 21 [2018-02-02 10:03:36,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:36,203 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2018-02-02 10:03:36,203 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 10:03:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2018-02-02 10:03:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-02 10:03:36,203 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:36,203 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] [2018-02-02 10:03:36,203 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:36,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1018638093, now seen corresponding path program 1 times [2018-02-02 10:03:36,204 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:36,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:36,425 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:36,426 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-02 10:03:36,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:36,426 INFO L182 omatonBuilderFactory]: Interpolants [2375#true, 2376#false, 2377#(= (select |#valid| |main_#t~malloc15.base|) 1), 2378#(= (select |#valid| main_~list~0.base) 1), 2379#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 2380#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 2381#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~list2~0.base (store (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~list2~0.base)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~list2~0.base (store (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 2382#(and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) |append_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|))), 2383#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (= (select |#valid| append_~head.base) 1)), 2384#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base |append_#t~malloc0.base|))), 2385#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base append_~node~0.base))), 2386#(and (not (= append_~node~0.base append_~head.base)) (= |append_#t~mem2.base| 0) (= 0 |append_#t~mem2.offset|)), 2387#(and (not (= append_~node~0.base append_~head.base)) |append_#t~short4|)] [2018-02-02 10:03:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:36,426 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 10:03:36,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 10:03:36,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-02-02 10:03:36,427 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand 13 states. [2018-02-02 10:03:36,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:36,777 INFO L93 Difference]: Finished difference Result 228 states and 280 transitions. [2018-02-02 10:03:36,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-02 10:03:36,778 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-02-02 10:03:36,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:36,780 INFO L225 Difference]: With dead ends: 228 [2018-02-02 10:03:36,780 INFO L226 Difference]: Without dead ends: 228 [2018-02-02 10:03:36,780 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 7 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2018-02-02 10:03:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-02-02 10:03:36,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 171. [2018-02-02 10:03:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-02 10:03:36,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 205 transitions. [2018-02-02 10:03:36,786 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 205 transitions. Word has length 30 [2018-02-02 10:03:36,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:36,787 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 205 transitions. [2018-02-02 10:03:36,787 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 10:03:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 205 transitions. [2018-02-02 10:03:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-02-02 10:03:36,788 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:36,788 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] [2018-02-02 10:03:36,788 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:36,788 INFO L82 PathProgramCache]: Analyzing trace with hash 2019932176, now seen corresponding path program 1 times [2018-02-02 10:03:36,789 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:36,808 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,116 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:37,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-02 10:03:37,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,118 INFO L182 omatonBuilderFactory]: Interpolants [2816#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc0.base|))), 2817#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0)), 2818#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))), 2819#(and (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) |append_#t~short4|), 2807#true, 2808#false, 2809#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 2810#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 2811#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select |#valid| main_~list~0.base) 1)), 2812#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select |#valid| main_~list~0.base) 1)), 2813#(and (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~list2~0.base (store (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset 0)) main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~list2~0.base (store (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset 0)) main_~list~0.base) (+ main_~list~0.offset 4))) (= (select |#valid| main_~list~0.base) 1)), 2814#(and (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))), 2815#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= (select |#valid| append_~head.base) 1))] [2018-02-02 10:03:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,118 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-02 10:03:37,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-02 10:03:37,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-02 10:03:37,119 INFO L87 Difference]: Start difference. First operand 171 states and 205 transitions. Second operand 13 states. [2018-02-02 10:03:37,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:37,589 INFO L93 Difference]: Finished difference Result 176 states and 210 transitions. [2018-02-02 10:03:37,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-02 10:03:37,590 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2018-02-02 10:03:37,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:37,591 INFO L225 Difference]: With dead ends: 176 [2018-02-02 10:03:37,591 INFO L226 Difference]: Without dead ends: 176 [2018-02-02 10:03:37,591 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2018-02-02 10:03:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-02-02 10:03:37,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2018-02-02 10:03:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-02 10:03:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 208 transitions. [2018-02-02 10:03:37,596 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 208 transitions. Word has length 32 [2018-02-02 10:03:37,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:37,596 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 208 transitions. [2018-02-02 10:03:37,596 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-02 10:03:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 208 transitions. [2018-02-02 10:03:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-02 10:03:37,597 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:37,597 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, 1, 1, 1, 1, 1] [2018-02-02 10:03:37,597 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:37,597 INFO L82 PathProgramCache]: Analyzing trace with hash -489397259, now seen corresponding path program 1 times [2018-02-02 10:03:37,598 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:37,612 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,632 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:37,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:37,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,633 INFO L182 omatonBuilderFactory]: Interpolants [3190#true, 3191#false, 3192#(= main_~c~0 0)] [2018-02-02 10:03:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,633 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:03:37,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:03:37,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:03:37,634 INFO L87 Difference]: Start difference. First operand 174 states and 208 transitions. Second operand 3 states. [2018-02-02 10:03:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:37,657 INFO L93 Difference]: Finished difference Result 155 states and 166 transitions. [2018-02-02 10:03:37,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:03:37,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-02-02 10:03:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:37,658 INFO L225 Difference]: With dead ends: 155 [2018-02-02 10:03:37,658 INFO L226 Difference]: Without dead ends: 155 [2018-02-02 10:03:37,658 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 [2018-02-02 10:03:37,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-02-02 10:03:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 144. [2018-02-02 10:03:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-02-02 10:03:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 154 transitions. [2018-02-02 10:03:37,661 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 154 transitions. Word has length 40 [2018-02-02 10:03:37,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:37,662 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 154 transitions. [2018-02-02 10:03:37,662 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:03:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2018-02-02 10:03:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 10:03:37,662 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:37,663 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:37,663 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:37,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1159244567, now seen corresponding path program 1 times [2018-02-02 10:03:37,663 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:37,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,804 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:37,804 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-02 10:03:37,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,805 INFO L182 omatonBuilderFactory]: Interpolants [3492#true, 3493#false, 3494#(= 1 (select |#valid| |main_#t~malloc18.base|)), 3495#(= 1 (select |#valid| main_~list2~0.base)), 3496#(= |#valid| |old(#valid)|), 3497#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 3498#(and (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|))))), 3499#(= 1 (select |#valid| |append_#in~head.base|)), 3500#(= 1 (select |#valid| append_~head.base)), 3501#(or (= append_~head.base |append_#t~malloc0.base|) (= (select |#valid| append_~head.base) 1)), 3502#(or (= append_~node~0.base append_~head.base) (= (select |#valid| append_~head.base) 1))] [2018-02-02 10:03:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:37,805 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-02 10:03:37,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-02 10:03:37,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-02 10:03:37,806 INFO L87 Difference]: Start difference. First operand 144 states and 154 transitions. Second operand 11 states. [2018-02-02 10:03:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:38,162 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions. [2018-02-02 10:03:38,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-02 10:03:38,162 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2018-02-02 10:03:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:38,163 INFO L225 Difference]: With dead ends: 177 [2018-02-02 10:03:38,163 INFO L226 Difference]: Without dead ends: 177 [2018-02-02 10:03:38,163 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2018-02-02 10:03:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-02 10:03:38,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 146. [2018-02-02 10:03:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-02 10:03:38,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 158 transitions. [2018-02-02 10:03:38,167 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 158 transitions. Word has length 43 [2018-02-02 10:03:38,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:38,167 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 158 transitions. [2018-02-02 10:03:38,167 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-02 10:03:38,168 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 158 transitions. [2018-02-02 10:03:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-02 10:03:38,168 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:38,168 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:38,168 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:38,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1159244566, now seen corresponding path program 1 times [2018-02-02 10:03:38,169 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:38,191 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:38,330 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:38,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-02 10:03:38,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:38,332 INFO L182 omatonBuilderFactory]: Interpolants [3840#(and (= (select |#valid| main_~list2~0.base) 1) (= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset)), 3841#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 3842#(and (= (store |old(#length)| |append_#t~malloc0.base| (select |#length| |append_#t~malloc0.base|)) |#length|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 3843#(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|))))), 3844#(and (= 0 |append_#in~head.offset|) (= 8 (select |#length| |append_#in~head.base|))), 3845#(and (= 8 (select |#length| append_~head.base)) (= append_~head.offset 0)), 3846#(and (or (= (select |#length| append_~head.base) 8) (= 9 (select |#length| append_~head.base))) (= append_~head.offset 0)), 3836#true, 3837#false, 3838#(and (= 0 |main_#t~malloc18.offset|) (= 8 (select |#length| |main_#t~malloc18.base|))), 3839#(and (= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset))] [2018-02-02 10:03:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:38,332 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-02 10:03:38,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-02 10:03:38,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-02 10:03:38,333 INFO L87 Difference]: Start difference. First operand 146 states and 158 transitions. Second operand 11 states. [2018-02-02 10:03:38,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:38,728 INFO L93 Difference]: Finished difference Result 180 states and 196 transitions. [2018-02-02 10:03:38,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-02 10:03:38,768 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2018-02-02 10:03:38,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:38,768 INFO L225 Difference]: With dead ends: 180 [2018-02-02 10:03:38,768 INFO L226 Difference]: Without dead ends: 180 [2018-02-02 10:03:38,769 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-02-02 10:03:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-02-02 10:03:38,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 176. [2018-02-02 10:03:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-02-02 10:03:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 193 transitions. [2018-02-02 10:03:38,772 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 193 transitions. Word has length 43 [2018-02-02 10:03:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:38,773 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 193 transitions. [2018-02-02 10:03:38,773 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-02 10:03:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2018-02-02 10:03:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-02 10:03:38,773 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:38,774 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:38,774 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:38,774 INFO L82 PathProgramCache]: Analyzing trace with hash 570613669, now seen corresponding path program 1 times [2018-02-02 10:03:38,774 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:38,798 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:39,314 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:39,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-02 10:03:39,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:39,315 INFO L182 omatonBuilderFactory]: Interpolants [4224#(or (and (= (select |#valid| append_~node~0.base) 1) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| |append_#in~head.base|) 1)))) (not (= |append_#in~head.offset| 0))), 4225#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4))) 1)) (not (= |append_#in~head.offset| 0))), 4226#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))) (not (= (select |#valid| main_~list~0.base) 0))), 4227#(and (= 0 |append_#in~head.offset|) (not (= (select |#valid| |append_#in~head.base|) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4))))), 4228#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= (select |#valid| append_~head.base) 0)) (= append_~head.offset 0)), 4229#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc0.base|))), 4230#(and (not (= append_~node~0.base append_~head.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 4231#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 4232#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 4233#(= (select |#valid| |append_#t~mem12.base|) 1), 4213#true, 4214#false, 4215#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 4216#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 4217#(= |#valid| |old(#valid)|), 4218#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)))), 4219#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))) (not (= append_~head.offset 0)))), 4220#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (or (= append_~head.base |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base)))) (not (= append_~head.offset 0)))), 4221#(and (or (and (or (= append_~head.base |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base))) (= 1 (select |#valid| append_~node~0.base))) (not (= append_~head.offset 0))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0))), 4222#(and (or (and (or (= append_~head.base |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base))) (= 1 (select |#valid| append_~node~0.base)) (= 1 (select |#valid| append_~head.base))) (not (= append_~head.offset 0))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0))), 4223#(or (not (= |append_#in~head.offset| 0)) (and (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (not (= append_~node~0.base |append_#in~head.base|)))) (= (select |#valid| append_~node~0.base) 1)))] [2018-02-02 10:03:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:39,315 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-02 10:03:39,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-02 10:03:39,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2018-02-02 10:03:39,316 INFO L87 Difference]: Start difference. First operand 176 states and 193 transitions. Second operand 21 states. [2018-02-02 10:03:40,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:40,364 INFO L93 Difference]: Finished difference Result 184 states and 199 transitions. [2018-02-02 10:03:40,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-02 10:03:40,364 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2018-02-02 10:03:40,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:40,365 INFO L225 Difference]: With dead ends: 184 [2018-02-02 10:03:40,365 INFO L226 Difference]: Without dead ends: 184 [2018-02-02 10:03:40,365 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=1116, Unknown=0, NotChecked=0, Total=1332 [2018-02-02 10:03:40,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-02-02 10:03:40,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2018-02-02 10:03:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-02 10:03:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 197 transitions. [2018-02-02 10:03:40,369 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 197 transitions. Word has length 50 [2018-02-02 10:03:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:40,369 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 197 transitions. [2018-02-02 10:03:40,369 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-02 10:03:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 197 transitions. [2018-02-02 10:03:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-02 10:03:40,370 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:40,370 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:40,370 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:40,370 INFO L82 PathProgramCache]: Analyzing trace with hash 570613670, now seen corresponding path program 1 times [2018-02-02 10:03:40,371 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:40,392 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:40,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:40,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-02 10:03:40,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:40,976 INFO L182 omatonBuilderFactory]: Interpolants [4640#(and (= append_~head.base |append_#in~head.base|) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base))) (or (= append_~head.base append_~node~0.base) (and (= 0 append_~node~0.offset) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= 9 (select |#length| append_~node~0.base)))) (= 1 (select |#valid| append_~head.base))), 4641#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= 9 (select |#length| append_~node~0.base)) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (not (= append_~node~0.base |append_#in~head.base|))) (not (= |append_#in~head.offset| 0))), 4642#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= |append_#in~head.offset| 0)) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| |append_#in~head.base|) 1) (= 9 (select |#length| append_~node~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))))), 4643#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ (- 0) 4)))) (not (= |append_#in~head.offset| 0))), 4644#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))), 4645#(and (= 9 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))) (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4)))), 4646#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= (select |#valid| append_~head.base) 1)), 4647#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= append_~head.base |append_#t~malloc0.base|))), 4648#(and (not (= append_~node~0.base append_~head.base)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 4649#(and (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4))) (= 9 (select |#length| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 4650#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 4651#(and (= (select |#length| |append_#t~mem12.base|) 9) (= |append_#t~mem12.offset| 0)), 4632#true, 4633#false, 4634#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 4635#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 4636#(= |#valid| |old(#valid)|), 4637#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)), 4638#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= 9 (select |#length| |append_#t~malloc0.base|)) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (= 0 |append_#t~malloc0.offset|)), 4639#(and (= append_~head.base |append_#in~head.base|) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base))) (or (= append_~head.base append_~node~0.base) (and (= 0 append_~node~0.offset) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= 9 (select |#length| append_~node~0.base)))))] [2018-02-02 10:03:40,976 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:40,976 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-02 10:03:40,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-02 10:03:40,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-02-02 10:03:40,977 INFO L87 Difference]: Start difference. First operand 182 states and 197 transitions. Second operand 20 states. [2018-02-02 10:03:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:42,037 INFO L93 Difference]: Finished difference Result 183 states and 198 transitions. [2018-02-02 10:03:42,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-02 10:03:42,037 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 50 [2018-02-02 10:03:42,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:42,038 INFO L225 Difference]: With dead ends: 183 [2018-02-02 10:03:42,038 INFO L226 Difference]: Without dead ends: 183 [2018-02-02 10:03:42,039 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2018-02-02 10:03:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-02-02 10:03:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2018-02-02 10:03:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-02 10:03:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 196 transitions. [2018-02-02 10:03:42,043 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 196 transitions. Word has length 50 [2018-02-02 10:03:42,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:42,043 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 196 transitions. [2018-02-02 10:03:42,043 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-02 10:03:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 196 transitions. [2018-02-02 10:03:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-02 10:03:42,044 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:42,044 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:42,044 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:42,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1254680052, now seen corresponding path program 1 times [2018-02-02 10:03:42,045 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:42,062 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:42,670 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:42,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-02 10:03:42,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:42,671 INFO L182 omatonBuilderFactory]: Interpolants [5056#(and (not (= append_~head.base append_~node~0.base)) (= |append_#t~mem2.base| 0) (= 0 |append_#t~mem2.offset|)), 5057#(and (not (= append_~head.base append_~node~0.base)) |append_#t~short4|), 5037#true, 5038#false, 5039#(= (select |#valid| main_~list~0.base) 1), 5040#(and (= (select |#valid| |main_#t~malloc18.base|) 1) (not (= main_~list~0.base |main_#t~malloc18.base|))), 5041#(and (not (= main_~list~0.base main_~list2~0.base)) (= (select |#valid| main_~list2~0.base) 1)), 5042#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4) 0) main_~list2~0.offset)) (not (= main_~list~0.base main_~list2~0.base)) (= (select |#valid| main_~list2~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4) 0) main_~list2~0.offset))), 5043#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5044#(and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5045#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5046#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5047#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5048#(and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~head.base (select |#memory_$Pointer$.offset| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base))) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~head.base (select |#memory_$Pointer$.base| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= append_~head.base |append_#in~head.base|) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5049#(and (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5050#(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|) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#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 (= (@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~head.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 (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (or (= 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|) (= (@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~head.base|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5051#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset)) (= (select |#valid| main_~list2~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset))), 5052#(and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) |append_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|))), 5053#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (= (select |#valid| append_~head.base) 1)), 5054#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base |append_#t~malloc0.base|))), 5055#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base append_~node~0.base)))] [2018-02-02 10:03:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:42,672 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-02 10:03:42,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-02 10:03:42,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2018-02-02 10:03:42,672 INFO L87 Difference]: Start difference. First operand 182 states and 196 transitions. Second operand 21 states. [2018-02-02 10:03:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:43,975 INFO L93 Difference]: Finished difference Result 278 states and 300 transitions. [2018-02-02 10:03:43,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-02 10:03:43,975 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 52 [2018-02-02 10:03:43,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:43,976 INFO L225 Difference]: With dead ends: 278 [2018-02-02 10:03:43,976 INFO L226 Difference]: Without dead ends: 278 [2018-02-02 10:03:43,976 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2018-02-02 10:03:43,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-02-02 10:03:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 208. [2018-02-02 10:03:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-02 10:03:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 231 transitions. [2018-02-02 10:03:43,980 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 231 transitions. Word has length 52 [2018-02-02 10:03:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:43,980 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 231 transitions. [2018-02-02 10:03:43,980 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-02 10:03:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 231 transitions. [2018-02-02 10:03:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-02 10:03:43,981 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:43,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:43,981 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:43,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1222988087, now seen corresponding path program 1 times [2018-02-02 10:03:43,982 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:43,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:44,658 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:44,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-02 10:03:44,659 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:44,659 INFO L182 omatonBuilderFactory]: Interpolants [5568#true, 5569#false, 5570#(= 0 |main_#t~malloc15.offset|), 5571#(= main_~list~0.offset 0), 5572#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 5573#(and (= main_~list~0.offset 0) (= (select |#valid| |main_#t~malloc18.base|) 1) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|))), 5574#(and (= main_~list~0.offset 0) (not (= main_~list~0.base main_~list2~0.base)) (= (select |#valid| main_~list2~0.base) 1) (= 0 main_~list2~0.offset)), 5575#(and (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4))) (not (= main_~list~0.base main_~list2~0.base)) (= (select |#valid| main_~list2~0.base) 1) (= 0 main_~list2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4)))), 5576#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5577#(and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5578#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 5579#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5580#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5581#(and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~head.base (select |#memory_$Pointer$.offset| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base))) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~head.base (select |#memory_$Pointer$.base| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5582#(and (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5583#(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|) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#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 (= (@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~head.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 (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= 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|) (= (@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~head.base|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 5584#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4))) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ 0 4)))), 5585#(and (= 0 |append_#in~head.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4))) (not (= (select |#valid| |append_#in~head.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))), 5586#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (not (= (select |#valid| append_~head.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0)), 5587#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc0.base|))), 5588#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0)), 5589#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))), 5590#(and (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) |append_#t~short4|)] [2018-02-02 10:03:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:44,659 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-02 10:03:44,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-02 10:03:44,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2018-02-02 10:03:44,660 INFO L87 Difference]: Start difference. First operand 208 states and 231 transitions. Second operand 23 states. [2018-02-02 10:03:46,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:46,142 INFO L93 Difference]: Finished difference Result 259 states and 276 transitions. [2018-02-02 10:03:46,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-02 10:03:46,143 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 54 [2018-02-02 10:03:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:46,144 INFO L225 Difference]: With dead ends: 259 [2018-02-02 10:03:46,144 INFO L226 Difference]: Without dead ends: 259 [2018-02-02 10:03:46,145 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=208, Invalid=1274, Unknown=0, NotChecked=0, Total=1482 [2018-02-02 10:03:46,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-02-02 10:03:46,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 200. [2018-02-02 10:03:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-02-02 10:03:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 220 transitions. [2018-02-02 10:03:46,149 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 220 transitions. Word has length 54 [2018-02-02 10:03:46,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:46,149 INFO L432 AbstractCegarLoop]: Abstraction has 200 states and 220 transitions. [2018-02-02 10:03:46,149 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-02 10:03:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 220 transitions. [2018-02-02 10:03:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-02 10:03:46,150 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:46,150 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] [2018-02-02 10:03:46,151 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:46,151 INFO L82 PathProgramCache]: Analyzing trace with hash -848788785, now seen corresponding path program 1 times [2018-02-02 10:03:46,151 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:46,165 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-02 10:03:46,207 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:46,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-02 10:03:46,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:46,207 INFO L182 omatonBuilderFactory]: Interpolants [6082#true, 6083#false, 6084#(= main_~c~0 0), 6085#(<= main_~c~0 1)] [2018-02-02 10:03:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-02 10:03:46,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:03:46,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:03:46,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:46,208 INFO L87 Difference]: Start difference. First operand 200 states and 220 transitions. Second operand 4 states. [2018-02-02 10:03:46,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:46,225 INFO L93 Difference]: Finished difference Result 231 states and 257 transitions. [2018-02-02 10:03:46,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:03:46,225 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2018-02-02 10:03:46,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:46,226 INFO L225 Difference]: With dead ends: 231 [2018-02-02 10:03:46,226 INFO L226 Difference]: Without dead ends: 231 [2018-02-02 10:03:46,226 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:03:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-02-02 10:03:46,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 214. [2018-02-02 10:03:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-02-02 10:03:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 240 transitions. [2018-02-02 10:03:46,229 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 240 transitions. Word has length 58 [2018-02-02 10:03:46,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:46,229 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 240 transitions. [2018-02-02 10:03:46,229 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:03:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 240 transitions. [2018-02-02 10:03:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-02 10:03:46,230 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:46,230 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:46,230 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:46,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1740705333, now seen corresponding path program 1 times [2018-02-02 10:03:46,231 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:46,239 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-02 10:03:46,251 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:03:46,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:03:46,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:46,251 INFO L182 omatonBuilderFactory]: Interpolants [6531#true, 6532#false, 6533#(not |append_#t~short4|)] [2018-02-02 10:03:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-02 10:03:46,252 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:03:46,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:03:46,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:03:46,252 INFO L87 Difference]: Start difference. First operand 214 states and 240 transitions. Second operand 3 states. [2018-02-02 10:03:46,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:46,279 INFO L93 Difference]: Finished difference Result 216 states and 242 transitions. [2018-02-02 10:03:46,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:03:46,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-02-02 10:03:46,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:46,280 INFO L225 Difference]: With dead ends: 216 [2018-02-02 10:03:46,280 INFO L226 Difference]: Without dead ends: 216 [2018-02-02 10:03:46,281 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 [2018-02-02 10:03:46,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-02-02 10:03:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-02-02 10:03:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-02-02 10:03:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 242 transitions. [2018-02-02 10:03:46,285 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 242 transitions. Word has length 61 [2018-02-02 10:03:46,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:46,286 INFO L432 AbstractCegarLoop]: Abstraction has 216 states and 242 transitions. [2018-02-02 10:03:46,286 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:03:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 242 transitions. [2018-02-02 10:03:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-02 10:03:46,286 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:46,287 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:46,287 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:46,287 INFO L82 PathProgramCache]: Analyzing trace with hash -618908496, now seen corresponding path program 1 times [2018-02-02 10:03:46,287 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:46,304 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:03:46,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:46,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-02 10:03:46,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:46,441 INFO L182 omatonBuilderFactory]: Interpolants [6976#(and (<= 8 (select |#length| append_~head.base)) (= append_~head.offset 0) (= (select |#valid| append_~head.base) 1)), 6977#(and (<= 8 (select |#length| append_~head.base)) (= append_~head.offset 0)), 6966#true, 6967#false, 6968#(= 0 |main_#t~malloc18.offset|), 6969#(= 0 main_~list2~0.offset), 6970#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|)), 6971#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (= 1 (select |#valid| append_~head.base))), 6972#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (<= (+ append_~head.offset 8) (select |#length| append_~head.base)) (not (= append_~head.offset 0))) (= append_~head.base |append_#in~head.base|) (= (select |#valid| append_~head.base) 1)), 6973#(and (= (select |#valid| |append_#in~head.base|) 1) (or (<= 8 (select |#length| |append_#in~head.base|)) (not (= |append_#in~head.offset| 0)))), 6974#(and (= (select |#valid| main_~list2~0.base) 1) (<= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset)), 6975#(and (= 0 |append_#in~head.offset|) (= (select |#valid| |append_#in~head.base|) 1) (<= 8 (select |#length| |append_#in~head.base|)))] [2018-02-02 10:03:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:03:46,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-02 10:03:46,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-02 10:03:46,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-02-02 10:03:46,441 INFO L87 Difference]: Start difference. First operand 216 states and 242 transitions. Second operand 12 states. [2018-02-02 10:03:46,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:46,728 INFO L93 Difference]: Finished difference Result 258 states and 279 transitions. [2018-02-02 10:03:46,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 10:03:46,728 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2018-02-02 10:03:46,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:46,729 INFO L225 Difference]: With dead ends: 258 [2018-02-02 10:03:46,730 INFO L226 Difference]: Without dead ends: 258 [2018-02-02 10:03:46,730 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-02-02 10:03:46,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-02 10:03:46,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 242. [2018-02-02 10:03:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-02-02 10:03:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 269 transitions. [2018-02-02 10:03:46,734 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 269 transitions. Word has length 63 [2018-02-02 10:03:46,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:46,734 INFO L432 AbstractCegarLoop]: Abstraction has 242 states and 269 transitions. [2018-02-02 10:03:46,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-02 10:03:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 269 transitions. [2018-02-02 10:03:46,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-02 10:03:46,734 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:46,735 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-02-02 10:03:46,735 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:46,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1647748270, now seen corresponding path program 1 times [2018-02-02 10:03:46,735 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:46,751 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:47,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:47,216 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:47,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-02 10:03:47,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:47,216 INFO L182 omatonBuilderFactory]: Interpolants [7488#(= (select |#valid| main_~list~0.base) 1), 7489#(= |#valid| |old(#valid)|), 7490#(and (= append_~head.offset |append_#in~head.offset|) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)), 7491#(and (= append_~head.offset |append_#in~head.offset|) (not (= 0 |append_#t~malloc0.base|)) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 7492#(and (= append_~head.offset |append_#in~head.offset|) (not (= 0 append_~node~0.base)) (or (= append_~head.base |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base)))), 7493#(and (= append_~head.offset |append_#in~head.offset|) (not (= 0 append_~node~0.base)) (or (= append_~head.base |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base))) (= 1 (select |#valid| append_~head.base))), 7494#(and (= append_~head.offset |append_#in~head.offset|) (or (= append_~head.base |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= append_~head.base append_~node~0.base))) (not (= 0 (select (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base) append_~head.offset))) (= (select |#valid| append_~head.base) 1)), 7495#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (not (= append_~node~0.base |append_#in~head.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) |append_#in~head.offset|))))), 7496#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (not (= 0 (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) |append_#in~head.offset|))))), 7497#(or (and (= (select |#valid| |append_#in~head.base|) 1) (not (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|)))) (= 0 (select |old(#valid)| |append_#in~head.base|))), 7498#(and (not (= (select |#valid| main_~list~0.base) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7499#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)), 7500#(and (= append_~head.offset |append_#in~head.offset|) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base))), 7501#(and (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 7502#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base))), 7503#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base))), 7504#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (= (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset) |append_#t~mem2.base|)), 7505#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (not |append_#t~short4|) (and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= append_~head.offset |append_#in~head.offset|)))), 7506#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.offset |append_#in~head.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base))), 7507#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (and (= 0 (select (select |old(#memory_$Pointer$.base)| append_~head.base) append_~head.offset)) (= append_~head.offset |append_#in~head.offset|)) (= append_~node~0.base append_~head.base)) (= append_~head.base |append_#in~head.base|)), 7508#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= 0 (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) |append_#in~head.offset|)) (= append_~node~0.base |append_#in~head.base|))), 7509#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (= 0 (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) |append_#in~head.offset|))), 7485#true, 7486#false, 7487#(= (select |#valid| |main_#t~malloc15.base|) 1)] [2018-02-02 10:03:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:47,217 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-02 10:03:47,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-02 10:03:47,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2018-02-02 10:03:47,217 INFO L87 Difference]: Start difference. First operand 242 states and 269 transitions. Second operand 25 states. [2018-02-02 10:03:48,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:48,727 INFO L93 Difference]: Finished difference Result 282 states and 305 transitions. [2018-02-02 10:03:48,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-02 10:03:48,727 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 63 [2018-02-02 10:03:48,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:48,728 INFO L225 Difference]: With dead ends: 282 [2018-02-02 10:03:48,728 INFO L226 Difference]: Without dead ends: 263 [2018-02-02 10:03:48,729 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=405, Invalid=2351, Unknown=0, NotChecked=0, Total=2756 [2018-02-02 10:03:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-02-02 10:03:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 213. [2018-02-02 10:03:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-02-02 10:03:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 232 transitions. [2018-02-02 10:03:48,734 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 232 transitions. Word has length 63 [2018-02-02 10:03:48,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:48,734 INFO L432 AbstractCegarLoop]: Abstraction has 213 states and 232 transitions. [2018-02-02 10:03:48,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-02 10:03:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 232 transitions. [2018-02-02 10:03:48,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-02 10:03:48,735 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:48,735 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:48,735 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:48,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1373725626, now seen corresponding path program 1 times [2018-02-02 10:03:48,736 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:48,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:49,017 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:49,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-02 10:03:49,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:49,018 INFO L182 omatonBuilderFactory]: Interpolants [8064#(and (= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset)), 8065#(and (= (select |#valid| main_~list2~0.base) 1) (= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset)), 8066#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 8067#(and (= (store |old(#length)| |append_#t~malloc0.base| (select |#length| |append_#t~malloc0.base|)) |#length|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 8068#(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|))))), 8069#(= |old(#length)| |#length|), 8070#(and (= (store |old(#length)| |append_#t~malloc0.base| (select |#length| |append_#t~malloc0.base|)) |#length|) (= 9 (select |#length| |append_#t~malloc0.base|))), 8071#(and (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (and (= 9 (select |#length| append_~node~0.base)) (= append_~node~0.base (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|))), 8072#(and (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (= 9 (select |#length| (@diff |old(#length)| |#length|))) (= |old(#length)| |#length|))), 8073#(and (or (= 9 (select |#length| main_~list2~0.base)) (= 8 (select |#length| main_~list2~0.base))) (= 0 main_~list2~0.offset)), 8074#(and (= 0 |append_#in~head.offset|) (or (= 9 (select |#length| |append_#in~head.base|)) (= 8 (select |#length| |append_#in~head.base|)))), 8075#(and (or (= 8 (select |#length| append_~head.base)) (= 9 (select |#length| append_~head.base))) (= append_~head.offset 0)), 8061#true, 8062#false, 8063#(and (= 0 |main_#t~malloc18.offset|) (= 8 (select |#length| |main_#t~malloc18.base|)))] [2018-02-02 10:03:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:49,018 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-02 10:03:49,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-02 10:03:49,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-02-02 10:03:49,019 INFO L87 Difference]: Start difference. First operand 213 states and 232 transitions. Second operand 15 states. [2018-02-02 10:03:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:49,513 INFO L93 Difference]: Finished difference Result 207 states and 227 transitions. [2018-02-02 10:03:49,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-02 10:03:49,514 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 65 [2018-02-02 10:03:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:49,515 INFO L225 Difference]: With dead ends: 207 [2018-02-02 10:03:49,515 INFO L226 Difference]: Without dead ends: 207 [2018-02-02 10:03:49,515 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2018-02-02 10:03:49,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-02-02 10:03:49,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2018-02-02 10:03:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-02-02 10:03:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 224 transitions. [2018-02-02 10:03:49,518 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 224 transitions. Word has length 65 [2018-02-02 10:03:49,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:49,518 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 224 transitions. [2018-02-02 10:03:49,518 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-02 10:03:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 224 transitions. [2018-02-02 10:03:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-02 10:03:49,519 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:49,519 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-02-02 10:03:49,519 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:49,519 INFO L82 PathProgramCache]: Analyzing trace with hash 258761966, now seen corresponding path program 1 times [2018-02-02 10:03:49,519 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:49,539 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:03:50,159 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:50,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-02 10:03:50,159 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:50,160 INFO L182 omatonBuilderFactory]: Interpolants [8512#(and (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 8513#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 8514#(and (= (select |#valid| main_~list2~0.base) 1) (= 0 main_~list2~0.offset)), 8515#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)))), 8516#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))) (not (= append_~head.offset 0)))), 8517#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (or (= append_~head.base |append_#in~head.base|) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))) (not (= append_~head.offset 0)))), 8518#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (or (= append_~head.base |append_#in~head.base|) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|))) (= 1 (select |#valid| append_~node~0.base))) (not (= append_~head.offset 0)))), 8519#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (or (and (= append_~head.base |append_#in~head.base|) (= 1 (select |#valid| append_~head.base))) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|))) (= 1 (select |#valid| append_~node~0.base))) (not (= append_~head.offset 0)))), 8520#(or (not (= |append_#in~head.offset| 0)) (and (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (not (= append_~node~0.base |append_#in~head.base|)))) (= (select |#valid| append_~node~0.base) 1))), 8521#(or (and (= (select |#valid| append_~node~0.base) 1) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| |append_#in~head.base|) 1)))) (not (= |append_#in~head.offset| 0))), 8522#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4))) 1)) (not (= |append_#in~head.offset| 0))), 8523#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4)))) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list2~0.offset)), 8524#(and (= 0 |append_#in~head.offset|) (not (= (select |#valid| |append_#in~head.base|) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4))))), 8525#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= (select |#valid| append_~head.base) 0)) (= append_~head.offset 0)), 8526#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc0.base|))), 8527#(and (not (= append_~node~0.base append_~head.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 8528#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 8529#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 8530#(= (select |#valid| |append_#t~mem12.base|) 1), 8504#true, 8505#false, 8506#(= 0 |main_#t~malloc15.offset|), 8507#(= main_~list~0.offset 0), 8508#(and (= main_~list~0.offset 0) (= (select |#valid| |main_#t~malloc18.base|) 1) (= 0 |main_#t~malloc18.offset|)), 8509#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list2~0.base) 1) (= 0 main_~list2~0.offset)), 8510#(= |#valid| |old(#valid)|), 8511#(= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|)))] [2018-02-02 10:03:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:03:50,160 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-02 10:03:50,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-02 10:03:50,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2018-02-02 10:03:50,160 INFO L87 Difference]: Start difference. First operand 205 states and 224 transitions. Second operand 27 states. [2018-02-02 10:03:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:51,606 INFO L93 Difference]: Finished difference Result 227 states and 244 transitions. [2018-02-02 10:03:51,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-02 10:03:51,606 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 72 [2018-02-02 10:03:51,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:51,607 INFO L225 Difference]: With dead ends: 227 [2018-02-02 10:03:51,607 INFO L226 Difference]: Without dead ends: 227 [2018-02-02 10:03:51,607 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=301, Invalid=1861, Unknown=0, NotChecked=0, Total=2162 [2018-02-02 10:03:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-02-02 10:03:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 205. [2018-02-02 10:03:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-02-02 10:03:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 223 transitions. [2018-02-02 10:03:51,612 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 223 transitions. Word has length 72 [2018-02-02 10:03:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:51,612 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 223 transitions. [2018-02-02 10:03:51,612 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-02 10:03:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-02-02 10:03:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-02 10:03:51,612 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:51,613 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-02-02 10:03:51,613 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:51,613 INFO L82 PathProgramCache]: Analyzing trace with hash 258761967, now seen corresponding path program 1 times [2018-02-02 10:03:51,613 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:51,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:03:52,326 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:52,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-02 10:03:52,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:52,326 INFO L182 omatonBuilderFactory]: Interpolants [9024#(and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) 0)) (not (= (select |#valid| append_~head.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 9025#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= append_~head.base |append_#t~malloc0.base|))), 9026#(and (not (= append_~node~0.base append_~head.base)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 9027#(and (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4))) (= 9 (select |#length| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 9028#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))), 9029#(and (= (select |#length| |append_#t~mem12.base|) 9) (= |append_#t~mem12.offset| 0)), 9003#true, 9004#false, 9005#(= 0 |main_#t~malloc15.offset|), 9006#(= main_~list~0.offset 0), 9007#(and (= main_~list~0.offset 0) (= (select |#valid| |main_#t~malloc18.base|) 1) (= 0 |main_#t~malloc18.offset|)), 9008#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list2~0.base) 1) (= 0 main_~list2~0.offset)), 9009#(= |#valid| |old(#valid)|), 9010#(= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))), 9011#(and (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9012#(and (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9013#(and (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list2~0.offset)), 9014#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)), 9015#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (or (and (= 9 (select |#length| |append_#t~malloc0.base|)) (= 0 |append_#t~malloc0.offset|)) (not (= append_~head.offset 0))) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 9016#(and (or (= append_~node~0.base append_~head.base) (and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 append_~node~0.offset) (= append_~head.base |append_#in~head.base|) (= 9 (select |#length| append_~node~0.base))) (not (= append_~head.offset 0))))) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 9017#(and (or (and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 append_~node~0.offset) (= append_~head.base |append_#in~head.base|) (= 9 (select |#length| append_~node~0.base)) (= (select |#valid| append_~node~0.base) 1)) (not (= append_~head.offset 0)))) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 9018#(and (or (and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 append_~node~0.offset) (= append_~head.base |append_#in~head.base|) (= 9 (select |#length| append_~node~0.base)) (= (select |#valid| append_~node~0.base) 1)) (not (= append_~head.offset 0))) (= 1 (select |#valid| append_~head.base))) (= append_~node~0.base append_~head.base)) (or (not (= append_~node~0.base append_~head.base)) (= 0 (select |old(#valid)| |append_#in~head.base|)))), 9019#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= |append_#in~head.offset| 0)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= 9 (select |#length| append_~node~0.base)) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| append_~node~0.base) 1) (not (= append_~node~0.base |append_#in~head.base|)))), 9020#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4))) (= (select |#valid| |append_#in~head.base|) 1) (= 9 (select |#length| append_~node~0.base)) (= (select |#valid| append_~node~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 5) 0)) |append_#in~head.base|) (+ (- 0) 4)))) (not (= |append_#in~head.offset| 0))), 9021#(or (and (= (select |#valid| |append_#in~head.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4))) 1) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ (- 0) 4)))) (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= |append_#in~head.offset| 0))), 9022#(and (not (= (select |#valid| main_~list2~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4))) 0)) (= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4)))) (= 0 main_~list2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ 0 4)))), 9023#(and (= 9 (select |#length| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4))) 0)) (= 0 |append_#in~head.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4))) (not (= (select |#valid| |append_#in~head.base|) 0)))] [2018-02-02 10:03:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:03:52,327 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-02 10:03:52,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-02 10:03:52,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2018-02-02 10:03:52,327 INFO L87 Difference]: Start difference. First operand 205 states and 223 transitions. Second operand 27 states. [2018-02-02 10:03:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:53,976 INFO L93 Difference]: Finished difference Result 226 states and 243 transitions. [2018-02-02 10:03:53,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-02 10:03:53,976 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 72 [2018-02-02 10:03:53,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:53,977 INFO L225 Difference]: With dead ends: 226 [2018-02-02 10:03:53,977 INFO L226 Difference]: Without dead ends: 226 [2018-02-02 10:03:53,977 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=299, Invalid=1771, Unknown=0, NotChecked=0, Total=2070 [2018-02-02 10:03:53,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-02-02 10:03:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 205. [2018-02-02 10:03:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-02-02 10:03:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 222 transitions. [2018-02-02 10:03:54,050 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 222 transitions. Word has length 72 [2018-02-02 10:03:54,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:54,051 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 222 transitions. [2018-02-02 10:03:54,051 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-02 10:03:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 222 transitions. [2018-02-02 10:03:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-02 10:03:54,051 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:54,051 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2018-02-02 10:03:54,051 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:54,051 INFO L82 PathProgramCache]: Analyzing trace with hash 775300632, now seen corresponding path program 1 times [2018-02-02 10:03:54,052 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:54,074 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:03:55,461 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 67 DAG size of output 63 [2018-02-02 10:03:55,757 WARN L143 SmtUtils]: Spent 205ms on a formula simplification that was a NOOP. DAG size: 83 [2018-02-02 10:03:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 10:03:55,980 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:03:55,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-02 10:03:55,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:03:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:03:55,980 INFO L182 omatonBuilderFactory]: Interpolants [9499#true, 9500#false, 9501#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 9502#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 9503#(and (= (select |#valid| |main_#t~malloc18.base|) 1) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 9504#(and (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 9505#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4) 0) main_~list2~0.offset)) (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4) 0) main_~list2~0.offset))), 9506#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9507#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9508#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 9509#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9510#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9511#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (or (= 1 (select |#valid| append_~head.base)) (not (= append_~head.offset 0))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9512#(and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~head.base (select |#memory_$Pointer$.offset| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base))) (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~head.base (select |#memory_$Pointer$.base| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (not (= append_~head.offset 0)) (= (select |#valid| append_~head.base) 1)) (= append_~head.base |append_#in~head.base|) (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|))))), 9513#(and (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= |append_#in~head.offset| 0)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4)))))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9514#(and (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4))))) (not (= |append_#in~head.offset| 0))) (= (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 (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#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 (= (@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~head.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 (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= 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|) (= (@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~head.base|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9515#(and (not (= main_~list2~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))) (not (= main_~list~0.base main_~list2~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset)) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list~0.offset) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset))), 9516#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9517#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9518#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) |append_#t~mem12.base|) (not (= append_~head.offset 0))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9519#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (and (or (and (or (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) append_~head.base) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|))) (not (= append_~head.offset 0))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)))) (or (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (not (= append_~head.offset 0))))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9520#(and (or (= 0 (select |old(#valid)| |append_#in~head.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|) (not (= |append_#in~head.offset| 0)) (= (@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~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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|))) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= 0 (select |old(#valid)| |append_#in~head.base|)) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (not (= |append_#in~head.offset| 0)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= 0 (select |old(#valid)| |append_#in~head.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|) (= 0 (select |old(#valid)| (@diff (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|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|)) (not (= |append_#in~head.offset| 0)) (= (@diff (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|) |append_#in~head.base|)) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#in~head.base|)) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (not (= |append_#in~head.offset| 0)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))) |#memory_$Pointer$.base|) (or (= 0 (select |old(#valid)| |append_#in~head.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|) |append_#in~head.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 (= |append_#in~head.offset| 0)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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 (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|))) |#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|)))) (not (= |append_#in~head.offset| 0)) (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|)))) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 9521#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset)) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset))), 9522#(and (not (= (select |#valid| |append_#in~head.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) |append_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|))), 9523#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (not (= (select |#valid| append_~head.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset))), 9524#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base |append_#t~malloc0.base|))), 9525#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base append_~node~0.base))), 9526#(and (not (= append_~head.base append_~node~0.base)) (= |append_#t~mem2.base| 0) (= 0 |append_#t~mem2.offset|)), 9527#|append_#t~short4|] [2018-02-02 10:03:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-02 10:03:55,981 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-02 10:03:55,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-02 10:03:55,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2018-02-02 10:03:55,981 INFO L87 Difference]: Start difference. First operand 205 states and 222 transitions. Second operand 29 states. [2018-02-02 10:03:56,305 WARN L143 SmtUtils]: Spent 220ms on a formula simplification that was a NOOP. DAG size: 89 [2018-02-02 10:03:56,734 WARN L143 SmtUtils]: Spent 241ms on a formula simplification that was a NOOP. DAG size: 94 [2018-02-02 10:03:57,579 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 96 DAG size of output 65 [2018-02-02 10:03:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:03:59,245 INFO L93 Difference]: Finished difference Result 256 states and 279 transitions. [2018-02-02 10:03:59,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-02 10:03:59,246 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-02 10:03:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:03:59,247 INFO L225 Difference]: With dead ends: 256 [2018-02-02 10:03:59,247 INFO L226 Difference]: Without dead ends: 256 [2018-02-02 10:03:59,247 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 10 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=310, Invalid=2240, Unknown=0, NotChecked=0, Total=2550 [2018-02-02 10:03:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-02-02 10:03:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 209. [2018-02-02 10:03:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-02-02 10:03:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 225 transitions. [2018-02-02 10:03:59,250 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 225 transitions. Word has length 74 [2018-02-02 10:03:59,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:03:59,250 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 225 transitions. [2018-02-02 10:03:59,250 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-02 10:03:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 225 transitions. [2018-02-02 10:03:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-02 10:03:59,251 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:03:59,251 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-02 10:03:59,251 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:03:59,252 INFO L82 PathProgramCache]: Analyzing trace with hash 100866139, now seen corresponding path program 2 times [2018-02-02 10:03:59,252 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:03:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:03:59,330 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:04:00,300 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 70 DAG size of output 68 [2018-02-02 10:04:00,648 WARN L146 SmtUtils]: Spent 235ms on a formula simplification. DAG size of input: 79 DAG size of output 79 [2018-02-02 10:04:01,353 WARN L146 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 83 DAG size of output 78 [2018-02-02 10:04:02,602 WARN L146 SmtUtils]: Spent 964ms on a formula simplification. DAG size of input: 116 DAG size of output 116 [2018-02-02 10:04:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-02 10:04:03,142 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:04:03,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-02 10:04:03,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:04:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:04:03,143 INFO L182 omatonBuilderFactory]: Interpolants [10048#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (and (= 0 append_~node~0.offset) (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|))))) (= append_~head.base append_~node~0.base))) (not (= append_~head.offset 0))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10049#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= 1 (select |#valid| append_~head.base)) (or (and (= 0 append_~node~0.offset) (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|))))) (= append_~head.base append_~node~0.base))) (not (= append_~head.offset 0))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10050#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (or (and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~head.base (select |#memory_$Pointer$.offset| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~head.base (select |#memory_$Pointer$.base| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (and (= 0 append_~node~0.offset) (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|))))) (= append_~head.base append_~node~0.base)) (= (select |#valid| append_~head.base) 1)) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10051#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (or (not (= |append_#in~head.offset| 0)) (and (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~node~0.base (store (select |#memory_$Pointer$.offset| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10052#(and (or (not (= |append_#in~head.offset| 0)) (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|) (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 |#valid| |append_#in~head.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ (- 0) 4)))) (= 0 (select |old(#valid)| |append_#in~head.base|))) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#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 (= (@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~head.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 (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= 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|) (= (@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~head.base|)))) (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|))))), 10053#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4))) (not (= main_~list~0.base main_~list2~0.base)) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list~0.offset) (= 8 (select |#length| main_~list2~0.base)) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 main_~list2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4)))), 10054#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (or (and (= (store |old(#length)| |append_#t~malloc0.base| (select |#length| |append_#t~malloc0.base|)) |#length|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0)))), 10055#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (or (and (or (= append_~node~0.base (@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)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10056#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10057#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (or (= append_~head.base |append_#t~mem12.base|) (= |append_#t~mem12.offset| 0) (= (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4)) |append_#t~mem12.offset|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10058#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (and (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (and (or (= (select |#memory_$Pointer$.offset| append_~head.base) (select |old(#memory_$Pointer$.offset)| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (<= 9 (select |#length| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|))) (not (= (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4)) 0)))))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (and (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|)))) (or (not (= (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4)) 0)) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|) (<= 9 (select |#length| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|))))) (not (= append_~head.offset 0))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 10059#(and (or (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|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~head.base|) (+ (- 0) 4)) 0)) (<= 9 (select |#length| (@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|))))) (= 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|) (= (@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~head.base|)) (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|)))) (or (<= 9 (select |#length| (@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|))) (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~head.base|) (+ (- 0) 4)) 0)))) (= (@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~head.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 (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.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|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (<= 9 (select |#length| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~head.base|) (+ (- 0) 4)) 0)))) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (= (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|) (= 0 (select |old(#valid)| (@diff (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|))) (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 (= 0 (select |old(#valid)| |append_#in~head.base|)) (<= 9 (select |#length| (@diff (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|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~head.base|) (+ (- 0) 4)) 0)))) (= (@diff (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|) |append_#in~head.base|)) (= (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))) |#memory_$Pointer$.base|) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (and (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (<= 9 (select |#length| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~head.base|) (+ (- 0) 4)) 0))) (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|))))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.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|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (<= 9 (select |#length| (@diff (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|))) |#memory_$Pointer$.base|))) (not (= (select (select |old(#memory_$Pointer$.offset)| |append_#in~head.base|) (+ (- 0) 4)) 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|)))) (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|)))) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|)) (not (= |append_#in~head.offset| 0))) (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|))))), 10060#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4))) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ 0 4)))), 10061#(and (= 0 |append_#in~head.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4))) (not (= (select |#valid| |append_#in~head.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4)))), 10062#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (not (= (select |#valid| append_~head.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0)), 10063#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc0.base|))), 10064#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0)), 10065#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) (= |append_#t~mem3.base| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))), 10066#(and (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) |append_#t~short4|), 10037#true, 10038#false, 10039#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 10040#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 10041#(and (= (select |#valid| |main_#t~malloc18.base|) 1) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= 8 (select |#length| |main_#t~malloc18.base|)) (= (select |#valid| main_~list~0.base) 1)), 10042#(and (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset) (= (select |#valid| main_~list~0.base) 1)), 10043#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4))) (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= 8 (select |#length| main_~list2~0.base)) (= 0 main_~list2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4))) (= (select |#valid| main_~list~0.base) 1)), 10044#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 10045#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|)), 10046#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= (store |old(#length)| |append_#t~malloc0.base| (select |#length| |append_#t~malloc0.base|)) |#length|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |append_#t~malloc0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 10047#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (or (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (and (= 0 append_~node~0.offset) (or (= append_~node~0.base (@diff |old(#length)| |#length|)) (= |old(#length)| |#length|)) (= |#length| (store |old(#length)| (@diff |old(#length)| |#length|) (select |#length| (@diff |old(#length)| |#length|))))) (= append_~head.base append_~node~0.base)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))] [2018-02-02 10:04:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-02 10:04:03,144 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-02 10:04:03,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-02 10:04:03,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2018-02-02 10:04:03,144 INFO L87 Difference]: Start difference. First operand 209 states and 225 transitions. Second operand 30 states. [2018-02-02 10:04:03,901 WARN L143 SmtUtils]: Spent 475ms on a formula simplification that was a NOOP. DAG size: 122 [2018-02-02 10:04:04,588 WARN L143 SmtUtils]: Spent 452ms on a formula simplification that was a NOOP. DAG size: 127 [2018-02-02 10:04:05,701 WARN L146 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 91 DAG size of output 71 [2018-02-02 10:04:06,664 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 98 DAG size of output 72 [2018-02-02 10:04:07,157 WARN L146 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 124 DAG size of output 65 [2018-02-02 10:04:07,480 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 108 DAG size of output 65 [2018-02-02 10:04:07,670 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 109 DAG size of output 66 [2018-02-02 10:04:07,871 WARN L146 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 113 DAG size of output 72 [2018-02-02 10:04:08,161 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 112 DAG size of output 68 [2018-02-02 10:04:08,379 WARN L146 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 94 DAG size of output 77 [2018-02-02 10:04:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:04:10,177 INFO L93 Difference]: Finished difference Result 293 states and 314 transitions. [2018-02-02 10:04:10,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-02 10:04:10,177 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 76 [2018-02-02 10:04:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:04:10,178 INFO L225 Difference]: With dead ends: 293 [2018-02-02 10:04:10,178 INFO L226 Difference]: Without dead ends: 293 [2018-02-02 10:04:10,179 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 8 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 863 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=474, Invalid=3558, Unknown=0, NotChecked=0, Total=4032 [2018-02-02 10:04:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-02-02 10:04:10,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 214. [2018-02-02 10:04:10,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-02-02 10:04:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 230 transitions. [2018-02-02 10:04:10,183 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 230 transitions. Word has length 76 [2018-02-02 10:04:10,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:04:10,184 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 230 transitions. [2018-02-02 10:04:10,184 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-02 10:04:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 230 transitions. [2018-02-02 10:04:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-02 10:04:10,184 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:04:10,184 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:04:10,185 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:04:10,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1170955849, now seen corresponding path program 2 times [2018-02-02 10:04:10,185 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:04:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:04:10,197 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:04:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-02-02 10:04:10,228 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:04:10,228 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-02 10:04:10,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:04:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:04:10,229 INFO L182 omatonBuilderFactory]: Interpolants [10642#true, 10643#false, 10644#(= main_~c~0 0), 10645#(<= main_~c~0 1), 10646#(<= main_~c~0 2)] [2018-02-02 10:04:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-02-02 10:04:10,229 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:04:10,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:04:10,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:04:10,230 INFO L87 Difference]: Start difference. First operand 214 states and 230 transitions. Second operand 5 states. [2018-02-02 10:04:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:04:10,270 INFO L93 Difference]: Finished difference Result 244 states and 258 transitions. [2018-02-02 10:04:10,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:04:10,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-02-02 10:04:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:04:10,272 INFO L225 Difference]: With dead ends: 244 [2018-02-02 10:04:10,272 INFO L226 Difference]: Without dead ends: 244 [2018-02-02 10:04:10,272 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 [2018-02-02 10:04:10,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-02 10:04:10,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 225. [2018-02-02 10:04:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-02-02 10:04:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 246 transitions. [2018-02-02 10:04:10,276 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 246 transitions. Word has length 78 [2018-02-02 10:04:10,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:04:10,276 INFO L432 AbstractCegarLoop]: Abstraction has 225 states and 246 transitions. [2018-02-02 10:04:10,277 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:04:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 246 transitions. [2018-02-02 10:04:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-02 10:04:10,277 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:04:10,277 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 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, 1, 1] [2018-02-02 10:04:10,278 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:04:10,278 INFO L82 PathProgramCache]: Analyzing trace with hash -416484548, now seen corresponding path program 3 times [2018-02-02 10:04:10,278 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:04:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:04:10,420 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:04:11,561 WARN L146 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 70 DAG size of output 70 [2018-02-02 10:04:12,042 WARN L146 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 69 DAG size of output 65 [2018-02-02 10:04:12,605 WARN L146 SmtUtils]: Spent 431ms on a formula simplification. DAG size of input: 92 DAG size of output 92 [2018-02-02 10:04:13,471 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 62 DAG size of output 54 [2018-02-02 10:04:13,941 WARN L143 SmtUtils]: Spent 221ms on a formula simplification that was a NOOP. DAG size: 84 [2018-02-02 10:04:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-02 10:04:14,681 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:04:14,681 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-02 10:04:14,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:04:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:04:14,682 INFO L182 omatonBuilderFactory]: Interpolants [11136#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) |append_#t~mem12.base|) (= append_~head.base |append_#t~mem12.base|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= (select |#valid| append_~head.base) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11137#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (= append_~head.base |append_#in~head.base|) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (and (or (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) append_~head.base) (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base)) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= (select |#valid| append_~head.base) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11138#(and (or (and (or (= 0 (select |old(#valid)| |append_#in~head.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|) (= (@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~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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 |#valid| |append_#in~head.base|) 1) (= (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))) |#memory_$Pointer$.base|) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= 0 (select |old(#valid)| |append_#in~head.base|)) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= 0 (select |old(#valid)| |append_#in~head.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|) (= 0 (select |old(#valid)| (@diff (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|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|)) (= (@diff (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|) |append_#in~head.base|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|))) |#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|)))) (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#in~head.base|)) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (= 0 (select |old(#valid)| |append_#in~head.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|) |append_#in~head.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|)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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|))) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|)) (not (= |append_#in~head.offset| 0))) (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|))))), 11139#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0)))), 11140#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))), 11141#(and (or (not (= append_~head.offset 0)) (and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0))), 11142#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= append_~head.offset 0)))), 11143#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (or (and (or (not (= append_~head.base append_~node~0.base)) (= append_~node~0.base |append_#in~head.base|)) (or (and (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) |append_#t~mem12.base|) (= append_~head.base |append_#in~head.base|)) (= append_~head.base append_~node~0.base))) (= append_~head.base |append_#t~mem12.base|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (= |append_#t~mem12.base| |append_#in~head.base|) (not (= append_~head.base |append_#t~mem12.base|))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))))), 11144#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (select (select |old(#memory_$Pointer$.base)| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|) (= append_~head.base append_~node~0.base)) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= (select (select |old(#memory_$Pointer$.base)| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= append_~head.base append_~node~0.base)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= append_~head.offset 0)))), 11145#(or (and (or (= 0 (select |old(#valid)| |append_#in~head.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|) (= (@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~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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 (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))) |#memory_$Pointer$.base|) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= 0 (select |old(#valid)| |append_#in~head.base|)) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= 0 (select |old(#valid)| |append_#in~head.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|) (= 0 (select |old(#valid)| (@diff (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|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|)) (= (@diff (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|) |append_#in~head.base|)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|))) |#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|)))) (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#in~head.base|)) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (= 0 (select |old(#valid)| |append_#in~head.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|) |append_#in~head.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|)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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|))) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= |append_#in~head.offset| 0))), 11146#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset)) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset))), 11147#(and (not (= (select |#valid| |append_#in~head.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) |append_#in~head.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) |append_#in~head.offset|))), 11148#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (not (= (select |#valid| append_~head.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset))), 11149#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base |append_#t~malloc0.base|))), 11150#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset)) (not (= append_~head.base append_~node~0.base))), 11151#(and (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) append_~head.offset)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) append_~head.offset))), 11152#(and (= |append_#t~mem2.base| 0) (= 0 |append_#t~mem2.offset|)), 11153#|append_#t~short4|, 11116#true, 11117#false, 11118#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 11119#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 11120#(and (= (select |#valid| |main_#t~malloc18.base|) 1) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 11121#(and (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 11122#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4) 0) main_~list2~0.offset)) (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4) 0) main_~list2~0.offset))), 11123#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 11124#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#valid| |old(#valid)|) (or (and (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0)))), 11125#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 11126#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (or (and (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11127#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11128#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= 1 (select |#valid| append_~head.base))) (not (= append_~head.offset 0))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11129#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (not (= append_~head.offset 0)) (and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~head.base (select |#memory_$Pointer$.offset| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~head.base (select |#memory_$Pointer$.base| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= append_~head.base |append_#in~head.base|) (= (select |#valid| append_~head.base) 1))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11130#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (not (= |append_#in~head.offset| 0)) (and (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4))))) (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))))) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11131#(and (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|) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#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 (= (@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~head.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 (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4)))))) (or (= 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|) (= (@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~head.base|))) (not (= |append_#in~head.offset| 0))) (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|))))), 11132#(and (not (= main_~list2~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))) (not (= main_~list~0.base main_~list2~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) main_~list2~0.offset)) (not (= (select |#valid| main_~list2~0.base) 0)) (= 0 main_~list~0.offset) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) main_~list2~0.offset))), 11133#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (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|))))), 11134#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 11135#(and (= 0 (select |old(#valid)| append_~node~0.base)) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (and (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (= (select |#valid| append_~head.base) 1) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))] [2018-02-02 10:04:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-02 10:04:14,682 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-02 10:04:14,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-02 10:04:14,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1274, Unknown=0, NotChecked=0, Total=1406 [2018-02-02 10:04:14,683 INFO L87 Difference]: Start difference. First operand 225 states and 246 transitions. Second operand 38 states. [2018-02-02 10:04:15,128 WARN L143 SmtUtils]: Spent 236ms on a formula simplification that was a NOOP. DAG size: 91 [2018-02-02 10:04:15,674 WARN L143 SmtUtils]: Spent 280ms on a formula simplification that was a NOOP. DAG size: 96 [2018-02-02 10:04:17,253 WARN L146 SmtUtils]: Spent 261ms on a formula simplification. DAG size of input: 160 DAG size of output 64 [2018-02-02 10:04:17,504 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 96 DAG size of output 59 [2018-02-02 10:04:18,953 WARN L146 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 74 DAG size of output 68 [2018-02-02 10:04:20,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:04:20,040 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2018-02-02 10:04:20,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-02 10:04:20,040 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 96 [2018-02-02 10:04:20,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:04:20,041 INFO L225 Difference]: With dead ends: 247 [2018-02-02 10:04:20,041 INFO L226 Difference]: Without dead ends: 247 [2018-02-02 10:04:20,041 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 10 SyntacticMatches, 10 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=424, Invalid=3482, Unknown=0, NotChecked=0, Total=3906 [2018-02-02 10:04:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-02 10:04:20,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 224. [2018-02-02 10:04:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-02-02 10:04:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 244 transitions. [2018-02-02 10:04:20,045 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 244 transitions. Word has length 96 [2018-02-02 10:04:20,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:04:20,046 INFO L432 AbstractCegarLoop]: Abstraction has 224 states and 244 transitions. [2018-02-02 10:04:20,046 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-02 10:04:20,046 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 244 transitions. [2018-02-02 10:04:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-02 10:04:20,046 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:04:20,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:04:20,047 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:04:20,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1810384701, now seen corresponding path program 3 times [2018-02-02 10:04:20,047 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:04:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:04:20,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:04:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-02-02 10:04:20,095 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:04:20,095 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-02 10:04:20,095 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:04:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-02-02 10:04:20,096 INFO L182 omatonBuilderFactory]: Interpolants [11680#(<= main_~c~0 3), 11675#true, 11676#false, 11677#(= main_~c~0 0), 11678#(<= main_~c~0 1), 11679#(<= main_~c~0 2)] [2018-02-02 10:04:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-02-02 10:04:20,096 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 10:04:20,096 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 10:04:20,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-02-02 10:04:20,096 INFO L87 Difference]: Start difference. First operand 224 states and 244 transitions. Second operand 6 states. [2018-02-02 10:04:20,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:04:20,133 INFO L93 Difference]: Finished difference Result 258 states and 272 transitions. [2018-02-02 10:04:20,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 10:04:20,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-02-02 10:04:20,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:04:20,135 INFO L225 Difference]: With dead ends: 258 [2018-02-02 10:04:20,135 INFO L226 Difference]: Without dead ends: 258 [2018-02-02 10:04:20,135 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-02-02 10:04:20,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-02 10:04:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 235. [2018-02-02 10:04:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-02-02 10:04:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 260 transitions. [2018-02-02 10:04:20,141 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 260 transitions. Word has length 98 [2018-02-02 10:04:20,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:04:20,141 INFO L432 AbstractCegarLoop]: Abstraction has 235 states and 260 transitions. [2018-02-02 10:04:20,142 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 10:04:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 260 transitions. [2018-02-02 10:04:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-02 10:04:20,142 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:04:20,143 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2018-02-02 10:04:20,143 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, appendErr8RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr17RequiresViolation, appendErr19RequiresViolation, appendErr22RequiresViolation, appendErr12RequiresViolation, appendErr3RequiresViolation, appendErr16RequiresViolation, appendErr2RequiresViolation, appendErr6RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr23RequiresViolation, appendErr4RequiresViolation, appendErr10RequiresViolation, appendErr20RequiresViolation, appendErr11RequiresViolation, appendErr25RequiresViolation, appendErr7RequiresViolation, appendErr24RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr21RequiresViolation, appendErr18RequiresViolation]=== [2018-02-02 10:04:20,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1551576191, now seen corresponding path program 4 times [2018-02-02 10:04:20,143 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:04:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:04:20,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:04:21,617 WARN L146 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 70 DAG size of output 68 [2018-02-02 10:04:22,094 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 66 DAG size of output 62 [2018-02-02 10:04:22,408 WARN L143 SmtUtils]: Spent 164ms on a formula simplification that was a NOOP. DAG size: 85 [2018-02-02 10:04:23,140 WARN L146 SmtUtils]: Spent 173ms on a formula simplification. DAG size of input: 78 DAG size of output 74 [2018-02-02 10:04:24,242 WARN L146 SmtUtils]: Spent 783ms on a formula simplification. DAG size of input: 127 DAG size of output 118 [2018-02-02 10:04:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 10:04:25,698 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:04:25,698 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-02 10:04:25,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:04:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-02-02 10:04:25,699 INFO L182 omatonBuilderFactory]: Interpolants [12174#true, 12175#false, 12176#(and (= (select |#valid| |main_#t~malloc15.base|) 1) (= 0 |main_#t~malloc15.offset|)), 12177#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 12178#(and (= (select |#valid| |main_#t~malloc18.base|) 1) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 12179#(and (not (= main_~list~0.base main_~list2~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list2~0.base) 1) (= main_~list2~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 12180#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4))) (not (= main_~list~0.base main_~list2~0.base)) (= (select |#valid| main_~list2~0.base) 1) (= 0 main_~list~0.offset) (= main_~list2~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4))) (= (select |#valid| main_~list~0.base) 1)), 12181#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12182#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (= |#valid| |old(#valid)|) (or (and (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0)))), 12183#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 12184#(and (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (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|))))), 12185#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (not (= append_~head.offset 0))) (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|))))), 12186#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= 1 (select |#valid| append_~head.base))) (not (= append_~head.offset 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12187#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~head.base (select |#memory_$Pointer$.offset| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base))) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~head.base (select |#memory_$Pointer$.base| append_~head.base)) append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= append_~head.base |append_#in~head.base|) (= (select |#valid| append_~head.base) 1)) (not (= append_~head.offset 0))) (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|))))), 12188#(and (or (and (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (= (select |#valid| |append_#in~head.base|) 1) (= 0 (select |old(#valid)| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 1) 0)) |append_#in~head.base|) (+ (- 0) 4)))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|))))) (= 0 (select |old(#valid)| |append_#in~head.base|)) (not (= |append_#in~head.offset| 0))) (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|))))), 12189#(and (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= 0 (select |old(#valid)| |append_#in~head.base|)) (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|) (= (select |#valid| |append_#in~head.base|) 1) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= |#memory_$Pointer$.base| |old(#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 (= (@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~head.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 (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ (- 0) 4)))) (or (= 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|) (= (@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~head.base|))) (not (= |append_#in~head.offset| 0))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12190#(and (= main_~list~0.offset 0) (not (= main_~list2~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4))) (not (= main_~list~0.base main_~list2~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))) (not (= (select |#valid| main_~list2~0.base) 0)) (= main_~list2~0.offset 0) (not (= (select |#valid| main_~list~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4)))), 12191#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= append_~head.offset 0))) (= 0 (select |old(#valid)| |append_#t~malloc0.base|))), 12192#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.base |append_#in~head.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= append_~head.offset 0)))), 12193#(and (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= append_~head.offset 0))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0))), 12194#(and (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0)) (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) |append_#t~mem12.base|) (= append_~head.base |append_#in~head.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (not (= append_~head.offset 0)))), 12195#(and (or (and (= 0 (select |old(#valid)| append_~node~0.base)) (= append_~head.base |append_#in~head.base|) (or (= (select (select |old(#memory_$Pointer$.base)| append_~head.base) (+ append_~head.offset 4)) |append_#in~head.base|) (= append_~node~0.base append_~head.base) (and (or (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|))) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))) (or (= (select |old(#memory_$Pointer$.base)| append_~head.base) (select |#memory_$Pointer$.base| append_~head.base)) (= append_~node~0.base append_~head.base) (= (select (select |old(#memory_$Pointer$.base)| append_~head.base) (+ append_~head.offset 4)) append_~head.base))) (not (= append_~head.offset 0))) (or (= |append_#in~head.offset| append_~head.offset) (= append_~head.offset 0))), 12196#(or (= 0 (select |old(#valid)| |append_#in~head.base|)) (and (= (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))) |#memory_$Pointer$.base|) (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (or (= 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|) (= (@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~head.base|) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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|))) (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~head.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|)))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@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 |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|))) |#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|)))) (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= (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|) (= 0 (select |old(#valid)| (@diff (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|))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) (@diff (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|)) (= (@diff (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|) |append_#in~head.base|)) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))) (= (select (select |old(#memory_$Pointer$.base)| |append_#in~head.base|) (+ (- 0) 4)) |append_#in~head.base|) (not (= |append_#in~head.offset| 0))), 12197#(and (= main_~list~0.offset 0) (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ main_~list2~0.offset 4))) (not (= main_~list~0.base main_~list2~0.base)) (not (= (select |#valid| main_~list2~0.base) 0)) (= main_~list2~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ main_~list2~0.offset 4)))), 12198#(and (= |#valid| |old(#valid)|) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12199#(and (= |#valid| (store |old(#valid)| |append_#t~malloc0.base| (select |#valid| |append_#t~malloc0.base|))) (= append_~head.base |append_#in~head.base|) (= 0 (select |old(#valid)| |append_#t~malloc0.base|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |append_#t~malloc0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 12200#(and (= 0 append_~node~0.offset) (= 0 (select |old(#valid)| append_~node~0.base)) (or (= append_~node~0.base (@diff |old(#valid)| |#valid|)) (= |#valid| |old(#valid)|)) (= append_~head.base |append_#in~head.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12201#(and (= 0 append_~node~0.offset) (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (= 1 (select |#valid| append_~node~0.base)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12202#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (= append_~head.base |append_#in~head.base|) (or (= 0 append_~node~0.offset) (= append_~head.base |append_#t~mem12.base|)) (or (= append_~head.base |append_#t~mem12.base|) (= 1 (select |#valid| append_~node~0.base))) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12203#(and (= 0 (select |old(#valid)| append_~node~0.base)) (= |#memory_$Pointer$.offset| (store (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)))) (or (= (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) |append_#in~head.base|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base))) (and (= append_~node~0.base (select (select (store |#memory_$Pointer$.base| append_~head.base (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (select (store |#memory_$Pointer$.base| append_~head.base (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|))))) (= (select (store |#memory_$Pointer$.base| append_~head.base (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (store (select |old(#memory_$Pointer$.base)| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (select (store |#memory_$Pointer$.base| append_~head.base (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|))) (select (select (store |#memory_$Pointer$.base| append_~head.base (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)) (select (store |#memory_$Pointer$.base| append_~head.base (store (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4) append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))))) (= 1 (select |#valid| append_~node~0.base)))) (or (= append_~node~0.base (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (and (= (store (select |old(#memory_$Pointer$.offset)| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|))) (select (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|))))) (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|))) (or (= (select |old(#memory_$Pointer$.offset)| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|))) (= 0 (select (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|)) (select (store |#memory_$Pointer$.offset| append_~head.base (store (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4) append_~node~0.offset)) (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|))))))) (= (@diff (store |old(#memory_$Pointer$.offset)| append_~node~0.base (select |#memory_$Pointer$.offset| append_~node~0.base)) |#memory_$Pointer$.offset|) |append_#in~head.base|)) (= append_~head.base |append_#in~head.base|) (or (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= |#memory_$Pointer$.base| (store (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (store |old(#memory_$Pointer$.base)| append_~node~0.base (select |#memory_$Pointer$.base| append_~node~0.base)) |#memory_$Pointer$.base|)))) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12204#(and (or (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) |append_#in~head.base|) (and (= (store (select |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (select (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))))) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) (@diff (select |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| |old(#memory_$Pointer$.offset)|)) (or (= (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|))) (and (= (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (store (select |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (@diff (select |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| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) (@diff (select |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| |old(#memory_$Pointer$.base)|)) (or (= (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|) (= 0 (select |old(#valid)| (@diff (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|))) (and (= 0 (select (select |#memory_$Pointer$.offset| (@diff (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|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff (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|)) (select |#memory_$Pointer$.offset| (@diff (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|))))) (= (store (select |old(#memory_$Pointer$.offset)| (@diff (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|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff (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|)) (select |#memory_$Pointer$.offset| (@diff (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|))) (select (select |#memory_$Pointer$.offset| (@diff (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|)) (@diff (select |old(#memory_$Pointer$.offset)| (@diff (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|)) (select |#memory_$Pointer$.offset| (@diff (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|))))) (select |#memory_$Pointer$.offset| (@diff (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|)))) (= (@diff (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|) |append_#in~head.base|)) (= (store (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|))) (@diff (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|))) |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff (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|))) |#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~head.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|))) (and (or (= (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)| (@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|))) (= 1 (select |#valid| (select (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|)) (@diff (select |old(#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 |#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|)) (store (select |old(#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|)) (@diff (select |old(#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| (@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|)) (@diff (select |old(#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 (= |#valid| |old(#valid)|) (= 0 (select |old(#valid)| (@diff |old(#valid)| |#valid|)))) (or (= 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|))) (= (@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~head.base|) (and (= (store (select |old(#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|)) (@diff (select |old(#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|))) (select (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|)) (@diff (select |old(#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|))))) (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|))) (or (= 0 (select (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|)) (@diff (select |old(#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|))))) (= (select |old(#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|)))))) (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff (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|))) |#memory_$Pointer$.base|)) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))))) (= (select |old(#memory_$Pointer$.base)| (@diff (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|))) |#memory_$Pointer$.base|)) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (= (store (select |old(#memory_$Pointer$.base)| (@diff (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|))) |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff (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|))) |#memory_$Pointer$.base|)) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))) (select (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)) (@diff (select |old(#memory_$Pointer$.base)| (@diff (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|))) |#memory_$Pointer$.base|)) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|))))) (select |#memory_$Pointer$.base| (@diff (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|))) |#memory_$Pointer$.base|)))) (= (@diff (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|))) |#memory_$Pointer$.base|) |append_#in~head.base|) (= 0 (select |old(#valid)| (@diff (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|))) |#memory_$Pointer$.base|)))) (or (= (select |#valid| (@diff |old(#valid)| |#valid|)) 1) (= |#valid| |old(#valid)|)) (= (store (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|))) (@diff (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|) (select |#memory_$Pointer$.offset| (@diff (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|))) |#memory_$Pointer$.offset|) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))))), 12205#(and (not (= (select |#valid| main_~list2~0.base) 0)) (= main_~list2~0.offset 0) (or (= 0 (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list2~0.base) (+ 0 4))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~list2~0.base) (+ 0 4)))), 12206#(and (= 0 |append_#in~head.offset|) (or (= 0 (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |append_#in~head.base|) (+ 0 4))))) (= 0 (select (select |#memory_$Pointer$.offset| |append_#in~head.base|) (+ 0 4))) (not (= (select |#valid| |append_#in~head.base|) 0))), 12207#(and (not (= (select |#valid| append_~head.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (or (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))) (= append_~head.offset 0)), 12208#(and (or (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= |append_#t~malloc0.base| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= append_~head.offset 0) (not (= append_~head.base |append_#t~malloc0.base|))), 12209#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) (or (= append_~node~0.base (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))))), 12210#(and (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (or (= 0 (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4))))) (= append_~head.offset 0) (= 1 (select |#valid| append_~node~0.base))), 12211#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= 0 |append_#t~mem3.base|)) (= |append_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| append_~head.base) (+ append_~head.offset 4))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) (= 1 (select |#valid| append_~node~0.base))), 12212#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= append_~head.base append_~node~0.base)) (= 1 (select |#valid| append_~node~0.base))) |append_#t~short4|) (= append_~head.offset 0)), 12213#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (not (= append_~head.base append_~node~0.base)) (= append_~head.offset 0) (= 1 (select |#valid| append_~node~0.base))), 12214#(and (not (= append_~head.base append_~node~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| append_~node~0.base (store (select |#memory_$Pointer$.base| append_~node~0.base) (+ append_~node~0.offset 5) 0)) append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 12215#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| append_~head.base) (+ append_~head.offset 4)))) (= append_~head.offset 0)), 12216#(= 1 (select |#valid| |append_#t~mem12.base|))] [2018-02-02 10:04:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-02 10:04:25,700 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-02 10:04:25,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-02 10:04:25,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1664, Unknown=0, NotChecked=0, Total=1806 [2018-02-02 10:04:25,701 INFO L87 Difference]: Start difference. First operand 235 states and 260 transitions. Second operand 43 states. [2018-02-02 10:04:27,207 WARN L146 SmtUtils]: Spent 1135ms on a formula simplification. DAG size of input: 151 DAG size of output 151 [2018-02-02 10:04:28,866 WARN L146 SmtUtils]: Spent 1212ms on a formula simplification. DAG size of input: 156 DAG size of output 156 Received shutdown request... [2018-02-02 10:04:29,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-02 10:04:29,737 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-02 10:04:29,741 WARN L185 ceAbstractionStarter]: Timeout [2018-02-02 10:04:29,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 10:04:29 BoogieIcfgContainer [2018-02-02 10:04:29,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 10:04:29,741 INFO L168 Benchmark]: Toolchain (without parser) took 56059.57 ms. Allocated memory was 399.5 MB in the beginning and 1.3 GB in the end (delta: 859.3 MB). Free memory was 356.2 MB in the beginning and 765.5 MB in the end (delta: -409.3 MB). Peak memory consumption was 450.0 MB. Max. memory is 5.3 GB. [2018-02-02 10:04:29,742 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 399.5 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:04:29,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.42 ms. Allocated memory is still 399.5 MB. Free memory was 356.2 MB in the beginning and 345.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 5.3 GB. [2018-02-02 10:04:29,743 INFO L168 Benchmark]: Boogie Preprocessor took 29.09 ms. Allocated memory is still 399.5 MB. Free memory was 345.3 MB in the beginning and 344.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:04:29,743 INFO L168 Benchmark]: RCFGBuilder took 377.99 ms. Allocated memory is still 399.5 MB. Free memory was 342.7 MB in the beginning and 306.8 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 5.3 GB. [2018-02-02 10:04:29,743 INFO L168 Benchmark]: TraceAbstraction took 55468.84 ms. Allocated memory was 399.5 MB in the beginning and 1.3 GB in the end (delta: 859.3 MB). Free memory was 306.8 MB in the beginning and 765.5 MB in the end (delta: -458.7 MB). Peak memory consumption was 400.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:04:29,744 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 399.5 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 180.42 ms. Allocated memory is still 399.5 MB. Free memory was 356.2 MB in the beginning and 345.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.09 ms. Allocated memory is still 399.5 MB. Free memory was 345.3 MB in the beginning and 344.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 377.99 ms. Allocated memory is still 399.5 MB. Free memory was 342.7 MB in the beginning and 306.8 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 55468.84 ms. Allocated memory was 399.5 MB in the beginning and 1.3 GB in the end (delta: 859.3 MB). Free memory was 306.8 MB in the beginning and 765.5 MB in the end (delta: -458.7 MB). Peak memory consumption was 400.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 574). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 582). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 581). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 575). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 588). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 554). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 574). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 582). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 571). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 581). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 588). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 571). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 575). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was constructing difference of abstraction (235states) and interpolant automaton (currently 11 states, 43 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 51 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 131 locations, 55 error locations. TIMEOUT Result, 55.4s OverallTime, 30 OverallIterations, 4 TraceHistogramMax, 32.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2453 SDtfs, 4982 SDslu, 13711 SDs, 0 SdLazy, 16345 SolverSat, 1088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 813 GetRequests, 99 SyntacticMatches, 69 SemanticMatches, 644 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5259 ImplicationChecksByTransitivity, 36.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 285/665 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 29 MinimizatonAttempts, 669 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 20.9s InterpolantComputationTime, 1490 NumberOfCodeBlocks, 1490 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1460 ConstructedInterpolants, 0 QuantifiedInterpolants, 3411288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 12 PerfectInterpolantSequences, 285/665 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-04-29-751.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_10-04-29-751.csv Completed graceful shutdown