java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:56:22,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:56:22,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:56:22,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:56:22,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:56:22,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:56:22,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:56:22,511 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:56:22,513 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:56:22,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:56:22,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:56:22,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:56:22,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:56:22,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:56:22,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:56:22,518 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:56:22,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:56:22,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:56:22,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:56:22,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:56:22,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 03:56:22,529 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:56:22,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:56:22,530 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 03:56:22,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:56:22,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:56:22,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:56:22,544 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:56:22,544 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:56:22,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:56:22,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:56:22,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:56:22,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:56:22,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:56:22,546 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:56:22,546 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:56:22,546 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:56:22,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:56:22,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:56:22,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:56:22,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:56:22,582 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:56:22,585 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:56:22,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:56:22,587 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:56:22,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:56:22,715 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:56:22,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:56:22,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:56:22,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:56:22,720 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:56:22,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae733ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22, skipping insertion in model container [2018-02-04 03:56:22,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,733 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:56:22,762 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:56:22,857 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:56:22,876 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:56:22,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22 WrapperNode [2018-02-04 03:56:22,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:56:22,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:56:22,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:56:22,884 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:56:22,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... [2018-02-04 03:56:22,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:56:22,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:56:22,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:56:22,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:56:22,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:56:22,961 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:56:22,961 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:56:22,961 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:56:22,961 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:56:22,962 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:56:22,962 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:56:22,962 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:56:22,962 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:56:22,962 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:56:22,962 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:56:22,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:56:23,270 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:56:23,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:56:23 BoogieIcfgContainer [2018-02-04 03:56:23,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:56:23,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:56:23,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:56:23,273 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:56:23,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:56:22" (1/3) ... [2018-02-04 03:56:23,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e81c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:56:23, skipping insertion in model container [2018-02-04 03:56:23,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:56:22" (2/3) ... [2018-02-04 03:56:23,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e81c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:56:23, skipping insertion in model container [2018-02-04 03:56:23,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:56:23" (3/3) ... [2018-02-04 03:56:23,275 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-token_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:56:23,280 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:56:23,285 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-02-04 03:56:23,307 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:56:23,308 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:56:23,308 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:56:23,308 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:56:23,308 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:56:23,308 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:56:23,308 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:56:23,308 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:56:23,309 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:56:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-02-04 03:56:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:56:23,324 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:23,325 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:23,325 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:23,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1807775718, now seen corresponding path program 1 times [2018-02-04 03:56:23,362 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:23,396 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,439 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:23,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:56:23,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,441 INFO L182 omatonBuilderFactory]: Interpolants [117#true, 118#false, 119#(= 1 (select |#valid| |main_#t~malloc0.base|)), 120#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:56:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,442 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:56:23,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:56:23,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:56:23,457 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 4 states. [2018-02-04 03:56:23,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:23,656 INFO L93 Difference]: Finished difference Result 136 states and 139 transitions. [2018-02-04 03:56:23,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:56:23,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:56:23,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:23,669 INFO L225 Difference]: With dead ends: 136 [2018-02-04 03:56:23,669 INFO L226 Difference]: Without dead ends: 133 [2018-02-04 03:56:23,671 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:56:23,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-02-04 03:56:23,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 109. [2018-02-04 03:56:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-02-04 03:56:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 111 transitions. [2018-02-04 03:56:23,709 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 111 transitions. Word has length 8 [2018-02-04 03:56:23,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:23,709 INFO L432 AbstractCegarLoop]: Abstraction has 109 states and 111 transitions. [2018-02-04 03:56:23,709 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:56:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 111 transitions. [2018-02-04 03:56:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:56:23,710 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:23,710 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:23,710 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:23,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1807775717, now seen corresponding path program 1 times [2018-02-04 03:56:23,711 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:23,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,780 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:23,780 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:56:23,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,781 INFO L182 omatonBuilderFactory]: Interpolants [368#true, 369#false, 370#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 371#(and (= (select |#length| main_~head~0.base) 8) (= main_~head~0.offset 0))] [2018-02-04 03:56:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,782 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:56:23,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:56:23,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:56:23,783 INFO L87 Difference]: Start difference. First operand 109 states and 111 transitions. Second operand 4 states. [2018-02-04 03:56:23,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:23,872 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2018-02-04 03:56:23,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:56:23,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:56:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:23,874 INFO L225 Difference]: With dead ends: 131 [2018-02-04 03:56:23,874 INFO L226 Difference]: Without dead ends: 131 [2018-02-04 03:56:23,875 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:56:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-02-04 03:56:23,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 107. [2018-02-04 03:56:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-02-04 03:56:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 109 transitions. [2018-02-04 03:56:23,882 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 109 transitions. Word has length 8 [2018-02-04 03:56:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:23,883 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 109 transitions. [2018-02-04 03:56:23,883 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:56:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 109 transitions. [2018-02-04 03:56:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 03:56:23,883 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:23,884 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:23,884 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:23,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1410075710, now seen corresponding path program 1 times [2018-02-04 03:56:23,884 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:23,898 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:23,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:56:23,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,923 INFO L182 omatonBuilderFactory]: Interpolants [612#true, 613#false, 614#(= 1 (select |#valid| main_~head~0.base)), 615#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:23,924 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:56:23,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:56:23,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:56:23,924 INFO L87 Difference]: Start difference. First operand 107 states and 109 transitions. Second operand 4 states. [2018-02-04 03:56:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:24,044 INFO L93 Difference]: Finished difference Result 111 states and 114 transitions. [2018-02-04 03:56:24,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:56:24,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-02-04 03:56:24,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:24,045 INFO L225 Difference]: With dead ends: 111 [2018-02-04 03:56:24,045 INFO L226 Difference]: Without dead ends: 111 [2018-02-04 03:56:24,045 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:56:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-02-04 03:56:24,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-02-04 03:56:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-02-04 03:56:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 102 transitions. [2018-02-04 03:56:24,051 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 102 transitions. Word has length 14 [2018-02-04 03:56:24,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:24,051 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 102 transitions. [2018-02-04 03:56:24,051 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:56:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2018-02-04 03:56:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 03:56:24,052 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:24,052 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:24,052 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:24,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1410075709, now seen corresponding path program 1 times [2018-02-04 03:56:24,053 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:24,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,123 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:24,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:56:24,123 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,124 INFO L182 omatonBuilderFactory]: Interpolants [827#true, 828#false, 829#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 830#(and (= 0 main_~head~0.offset) (= 8 (select |#length| main_~head~0.base))), 831#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:56:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,124 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:56:24,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:56:24,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:56:24,125 INFO L87 Difference]: Start difference. First operand 98 states and 102 transitions. Second operand 5 states. [2018-02-04 03:56:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:24,270 INFO L93 Difference]: Finished difference Result 166 states and 170 transitions. [2018-02-04 03:56:24,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:56:24,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-02-04 03:56:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:24,272 INFO L225 Difference]: With dead ends: 166 [2018-02-04 03:56:24,272 INFO L226 Difference]: Without dead ends: 166 [2018-02-04 03:56:24,272 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:56:24,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-02-04 03:56:24,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 131. [2018-02-04 03:56:24,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-02-04 03:56:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 139 transitions. [2018-02-04 03:56:24,276 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 139 transitions. Word has length 14 [2018-02-04 03:56:24,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:24,276 INFO L432 AbstractCegarLoop]: Abstraction has 131 states and 139 transitions. [2018-02-04 03:56:24,276 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:56:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 139 transitions. [2018-02-04 03:56:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:56:24,277 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:24,277 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:24,277 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash -444857017, now seen corresponding path program 1 times [2018-02-04 03:56:24,278 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:24,288 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,337 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:24,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:56:24,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,338 INFO L182 omatonBuilderFactory]: Interpolants [1136#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 1137#(and (= |main_#t~mem11.offset| 0) (= (select |#length| |main_#t~mem11.base|) 8)), 1133#true, 1134#false, 1135#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|)))] [2018-02-04 03:56:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,338 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:56:24,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:56:24,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:56:24,339 INFO L87 Difference]: Start difference. First operand 131 states and 139 transitions. Second operand 5 states. [2018-02-04 03:56:24,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:24,460 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2018-02-04 03:56:24,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:56:24,460 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 03:56:24,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:24,461 INFO L225 Difference]: With dead ends: 130 [2018-02-04 03:56:24,461 INFO L226 Difference]: Without dead ends: 130 [2018-02-04 03:56:24,462 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:56:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-02-04 03:56:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-02-04 03:56:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-02-04 03:56:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2018-02-04 03:56:24,467 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 18 [2018-02-04 03:56:24,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:24,467 INFO L432 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2018-02-04 03:56:24,467 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:56:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2018-02-04 03:56:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:56:24,468 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:24,468 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:24,468 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:24,468 INFO L82 PathProgramCache]: Analyzing trace with hash -444857018, now seen corresponding path program 1 times [2018-02-04 03:56:24,469 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:24,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,509 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:24,509 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:56:24,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,510 INFO L182 omatonBuilderFactory]: Interpolants [1408#(= 1 (select |#valid| |main_#t~mem11.base|)), 1404#true, 1405#false, 1406#(= 1 (select |#valid| |main_#t~malloc9.base|)), 1407#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:56:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,510 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:56:24,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:56:24,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:56:24,511 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand 5 states. [2018-02-04 03:56:24,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:24,632 INFO L93 Difference]: Finished difference Result 131 states and 137 transitions. [2018-02-04 03:56:24,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:56:24,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 03:56:24,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:24,633 INFO L225 Difference]: With dead ends: 131 [2018-02-04 03:56:24,633 INFO L226 Difference]: Without dead ends: 131 [2018-02-04 03:56:24,633 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:56:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-02-04 03:56:24,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-02-04 03:56:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-02-04 03:56:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2018-02-04 03:56:24,638 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 18 [2018-02-04 03:56:24,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:24,639 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2018-02-04 03:56:24,639 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:56:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2018-02-04 03:56:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:56:24,639 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:24,640 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:24,640 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:24,640 INFO L82 PathProgramCache]: Analyzing trace with hash -418196060, now seen corresponding path program 1 times [2018-02-04 03:56:24,640 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:24,649 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,677 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:24,677 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:56:24,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,678 INFO L182 omatonBuilderFactory]: Interpolants [1680#(= 1 (select |#valid| main_~x~0.base)), 1675#true, 1676#false, 1677#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1678#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 1679#(= 1 (select |#valid| |main_#t~mem6.base|))] [2018-02-04 03:56:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,678 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:56:24,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:56:24,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:56:24,679 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand 6 states. [2018-02-04 03:56:24,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:24,856 INFO L93 Difference]: Finished difference Result 188 states and 199 transitions. [2018-02-04 03:56:24,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:56:24,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 03:56:24,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:24,857 INFO L225 Difference]: With dead ends: 188 [2018-02-04 03:56:24,857 INFO L226 Difference]: Without dead ends: 188 [2018-02-04 03:56:24,857 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:56:24,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-02-04 03:56:24,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 128. [2018-02-04 03:56:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-02-04 03:56:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2018-02-04 03:56:24,862 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 18 [2018-02-04 03:56:24,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:24,863 INFO L432 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2018-02-04 03:56:24,863 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:56:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2018-02-04 03:56:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:56:24,863 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:24,863 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:24,863 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:24,864 INFO L82 PathProgramCache]: Analyzing trace with hash -418196059, now seen corresponding path program 1 times [2018-02-04 03:56:24,864 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:24,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,920 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:24,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:56:24,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,921 INFO L182 omatonBuilderFactory]: Interpolants [2004#true, 2005#false, 2006#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 2007#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2008#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 2009#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:56:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:24,921 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:56:24,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:56:24,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:56:24,921 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand 6 states. [2018-02-04 03:56:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:25,086 INFO L93 Difference]: Finished difference Result 210 states and 224 transitions. [2018-02-04 03:56:25,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:56:25,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 03:56:25,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:25,087 INFO L225 Difference]: With dead ends: 210 [2018-02-04 03:56:25,087 INFO L226 Difference]: Without dead ends: 210 [2018-02-04 03:56:25,088 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:56:25,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-02-04 03:56:25,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 112. [2018-02-04 03:56:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-02-04 03:56:25,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 119 transitions. [2018-02-04 03:56:25,091 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 119 transitions. Word has length 18 [2018-02-04 03:56:25,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:25,091 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 119 transitions. [2018-02-04 03:56:25,091 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:56:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-02-04 03:56:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:56:25,092 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:25,092 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:25,092 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:25,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1163379848, now seen corresponding path program 1 times [2018-02-04 03:56:25,093 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:25,107 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:25,204 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:25,204 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:56:25,204 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:25,204 INFO L182 omatonBuilderFactory]: Interpolants [2352#(= 1 (select |#valid| |main_#t~mem17.base|)), 2353#(= 1 (select |#valid| main_~x~0.base)), 2343#true, 2344#false, 2345#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2346#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 2347#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2348#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 2349#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 2350#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 2351#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:56:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:25,205 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:56:25,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:56:25,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:56:25,205 INFO L87 Difference]: Start difference. First operand 112 states and 119 transitions. Second operand 11 states. [2018-02-04 03:56:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:25,519 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2018-02-04 03:56:25,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:56:25,519 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-02-04 03:56:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:25,520 INFO L225 Difference]: With dead ends: 196 [2018-02-04 03:56:25,520 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 03:56:25,521 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:56:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 03:56:25,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 135. [2018-02-04 03:56:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 03:56:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 145 transitions. [2018-02-04 03:56:25,523 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 145 transitions. Word has length 33 [2018-02-04 03:56:25,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:25,523 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 145 transitions. [2018-02-04 03:56:25,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:56:25,523 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2018-02-04 03:56:25,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:56:25,524 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:25,524 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:25,524 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:25,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1163379847, now seen corresponding path program 1 times [2018-02-04 03:56:25,525 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:25,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:25,678 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:25,678 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:56:25,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:25,679 INFO L182 omatonBuilderFactory]: Interpolants [2704#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 2705#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 2706#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 2707#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2708#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 2709#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 2699#true, 2700#false, 2701#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2702#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 2703#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:56:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:25,679 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:56:25,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:56:25,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:56:25,680 INFO L87 Difference]: Start difference. First operand 135 states and 145 transitions. Second operand 11 states. [2018-02-04 03:56:26,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:26,076 INFO L93 Difference]: Finished difference Result 226 states and 232 transitions. [2018-02-04 03:56:26,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:56:26,076 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-02-04 03:56:26,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:26,078 INFO L225 Difference]: With dead ends: 226 [2018-02-04 03:56:26,078 INFO L226 Difference]: Without dead ends: 226 [2018-02-04 03:56:26,078 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:56:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-02-04 03:56:26,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 135. [2018-02-04 03:56:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 03:56:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 144 transitions. [2018-02-04 03:56:26,082 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 144 transitions. Word has length 33 [2018-02-04 03:56:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:26,082 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 144 transitions. [2018-02-04 03:56:26,082 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:56:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2018-02-04 03:56:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:56:26,083 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:26,083 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:56:26,083 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:26,083 INFO L82 PathProgramCache]: Analyzing trace with hash 713889595, now seen corresponding path program 1 times [2018-02-04 03:56:26,084 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:26,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:26,205 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:26,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:56:26,205 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:26,206 INFO L182 omatonBuilderFactory]: Interpolants [3085#true, 3086#false, 3087#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3088#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3089#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3090#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 3091#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 3092#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 3093#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3094#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3095#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3096#(= 1 (select |#valid| |main_#t~mem15.base|)), 3097#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:26,206 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:56:26,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:56:26,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:56:26,207 INFO L87 Difference]: Start difference. First operand 135 states and 144 transitions. Second operand 13 states. [2018-02-04 03:56:26,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:26,573 INFO L93 Difference]: Finished difference Result 198 states and 205 transitions. [2018-02-04 03:56:26,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:56:26,574 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-02-04 03:56:26,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:26,574 INFO L225 Difference]: With dead ends: 198 [2018-02-04 03:56:26,575 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 03:56:26,575 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:56:26,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 03:56:26,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 143. [2018-02-04 03:56:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 03:56:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 153 transitions. [2018-02-04 03:56:26,578 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 153 transitions. Word has length 33 [2018-02-04 03:56:26,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:26,578 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 153 transitions. [2018-02-04 03:56:26,578 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:56:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2018-02-04 03:56:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:56:26,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:26,579 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:56:26,579 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash 713889596, now seen corresponding path program 1 times [2018-02-04 03:56:26,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:26,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:26,722 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:26,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:56:26,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:26,722 INFO L182 omatonBuilderFactory]: Interpolants [3457#true, 3458#false, 3459#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3460#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3461#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~x~0.base main_~head~0.base)), 3462#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 3463#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3464#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3465#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3466#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 3467#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 3468#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 3469#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:56:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:26,723 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:56:26,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:56:26,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:56:26,723 INFO L87 Difference]: Start difference. First operand 143 states and 153 transitions. Second operand 13 states. [2018-02-04 03:56:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:27,138 INFO L93 Difference]: Finished difference Result 238 states and 245 transitions. [2018-02-04 03:56:27,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:56:27,138 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-02-04 03:56:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:27,139 INFO L225 Difference]: With dead ends: 238 [2018-02-04 03:56:27,139 INFO L226 Difference]: Without dead ends: 238 [2018-02-04 03:56:27,139 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:56:27,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-02-04 03:56:27,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 141. [2018-02-04 03:56:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-02-04 03:56:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2018-02-04 03:56:27,143 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 33 [2018-02-04 03:56:27,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:27,143 INFO L432 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2018-02-04 03:56:27,143 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:56:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2018-02-04 03:56:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 03:56:27,145 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:27,145 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:27,145 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:27,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2119038797, now seen corresponding path program 1 times [2018-02-04 03:56:27,146 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:27,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:27,401 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:27,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:56:27,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:27,402 INFO L182 omatonBuilderFactory]: Interpolants [3872#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 3873#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3874#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3875#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3876#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 3877#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem14|))), 3878#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 3879#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 3880#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)), 3865#true, 3866#false, 3867#(= 0 |main_#t~malloc0.offset|), 3868#(= main_~head~0.offset 0), 3869#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 3870#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 3871#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 03:56:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:27,403 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:56:27,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:56:27,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:56:27,403 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand 16 states. [2018-02-04 03:56:27,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:27,979 INFO L93 Difference]: Finished difference Result 219 states and 224 transitions. [2018-02-04 03:56:27,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:56:27,980 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2018-02-04 03:56:27,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:27,980 INFO L225 Difference]: With dead ends: 219 [2018-02-04 03:56:27,980 INFO L226 Difference]: Without dead ends: 219 [2018-02-04 03:56:27,981 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:56:27,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-02-04 03:56:27,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 158. [2018-02-04 03:56:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-02-04 03:56:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 171 transitions. [2018-02-04 03:56:27,983 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 171 transitions. Word has length 42 [2018-02-04 03:56:27,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:27,983 INFO L432 AbstractCegarLoop]: Abstraction has 158 states and 171 transitions. [2018-02-04 03:56:27,983 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:56:27,983 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2018-02-04 03:56:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 03:56:27,984 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:27,984 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:56:27,984 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:27,984 INFO L82 PathProgramCache]: Analyzing trace with hash -298659056, now seen corresponding path program 2 times [2018-02-04 03:56:27,985 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:27,993 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:28,162 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:28,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:56:28,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:28,163 INFO L182 omatonBuilderFactory]: Interpolants [4296#true, 4297#false, 4298#(= 0 |main_#t~malloc0.offset|), 4299#(= main_~head~0.offset 0), 4300#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4301#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4302#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4303#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 4304#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4305#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4306#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4307#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 4308#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem14|))), 4309#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 4310#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 4311#(= |main_#t~mem14| 2)] [2018-02-04 03:56:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:28,163 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:56:28,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:56:28,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:56:28,163 INFO L87 Difference]: Start difference. First operand 158 states and 171 transitions. Second operand 16 states. [2018-02-04 03:56:28,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:28,605 INFO L93 Difference]: Finished difference Result 204 states and 208 transitions. [2018-02-04 03:56:28,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:56:28,605 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2018-02-04 03:56:28,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:28,606 INFO L225 Difference]: With dead ends: 204 [2018-02-04 03:56:28,606 INFO L226 Difference]: Without dead ends: 192 [2018-02-04 03:56:28,606 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:56:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-02-04 03:56:28,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 135. [2018-02-04 03:56:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 03:56:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2018-02-04 03:56:28,608 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 42 [2018-02-04 03:56:28,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:28,608 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2018-02-04 03:56:28,608 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:56:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-02-04 03:56:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 03:56:28,609 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:28,609 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:28,610 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:28,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1802626187, now seen corresponding path program 1 times [2018-02-04 03:56:28,610 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:28,620 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:28,820 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:28,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:56:28,820 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:28,820 INFO L182 omatonBuilderFactory]: Interpolants [4683#true, 4684#false, 4685#(not (= 0 |main_#t~malloc0.base|)), 4686#(not (= 0 main_~head~0.base)), 4687#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4688#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4689#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4690#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4691#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 4692#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 4693#(and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem17.base|) (not (= 0 main_~head~0.base))), 4694#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 4695#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 4696#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 4697#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 4698#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 4699#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 4700#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:28,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:56:28,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:56:28,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:56:28,821 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand 18 states. [2018-02-04 03:56:29,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:29,250 INFO L93 Difference]: Finished difference Result 213 states and 217 transitions. [2018-02-04 03:56:29,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:56:29,250 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-02-04 03:56:29,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:29,251 INFO L225 Difference]: With dead ends: 213 [2018-02-04 03:56:29,251 INFO L226 Difference]: Without dead ends: 213 [2018-02-04 03:56:29,251 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:56:29,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-02-04 03:56:29,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 146. [2018-02-04 03:56:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-04 03:56:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2018-02-04 03:56:29,253 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 44 [2018-02-04 03:56:29,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:29,254 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2018-02-04 03:56:29,254 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:56:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2018-02-04 03:56:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 03:56:29,254 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:29,254 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:29,254 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:29,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1802626186, now seen corresponding path program 1 times [2018-02-04 03:56:29,255 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:29,265 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:29,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:29,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:56:29,425 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:29,425 INFO L182 omatonBuilderFactory]: Interpolants [5094#true, 5095#false, 5096#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5097#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5098#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5099#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5100#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5101#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 5102#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5103#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem17.offset|) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5104#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5105#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5106#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5107#(and (= 0 |main_#t~mem20.offset|) (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|))), 5108#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:56:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:29,426 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:56:29,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:56:29,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:56:29,426 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand 15 states. [2018-02-04 03:56:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:29,839 INFO L93 Difference]: Finished difference Result 189 states and 193 transitions. [2018-02-04 03:56:29,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:56:29,840 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-02-04 03:56:29,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:29,840 INFO L225 Difference]: With dead ends: 189 [2018-02-04 03:56:29,840 INFO L226 Difference]: Without dead ends: 189 [2018-02-04 03:56:29,841 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:56:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-02-04 03:56:29,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 148. [2018-02-04 03:56:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 03:56:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2018-02-04 03:56:29,843 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 44 [2018-02-04 03:56:29,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:29,843 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2018-02-04 03:56:29,843 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:56:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2018-02-04 03:56:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 03:56:29,843 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:29,844 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:56:29,844 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:29,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1061401105, now seen corresponding path program 1 times [2018-02-04 03:56:29,844 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:29,855 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:29,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:29,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:56:29,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:29,968 INFO L182 omatonBuilderFactory]: Interpolants [5472#(= (select |#valid| main_~head~0.base) 1), 5473#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5474#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 5475#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5476#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 5477#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 5478#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))), 5479#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 5480#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 5481#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 5482#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 5483#(= 1 (select |#valid| |main_#t~mem17.base|)), 5484#(= 1 (select |#valid| main_~x~0.base)), 5470#true, 5471#false] [2018-02-04 03:56:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:29,968 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:56:29,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:56:29,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:56:29,969 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand 15 states. [2018-02-04 03:56:30,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:30,405 INFO L93 Difference]: Finished difference Result 243 states and 257 transitions. [2018-02-04 03:56:30,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:56:30,406 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-02-04 03:56:30,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:30,406 INFO L225 Difference]: With dead ends: 243 [2018-02-04 03:56:30,406 INFO L226 Difference]: Without dead ends: 243 [2018-02-04 03:56:30,407 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=633, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:56:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-02-04 03:56:30,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 179. [2018-02-04 03:56:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 03:56:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 192 transitions. [2018-02-04 03:56:30,409 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 192 transitions. Word has length 44 [2018-02-04 03:56:30,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:30,409 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 192 transitions. [2018-02-04 03:56:30,409 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:56:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 192 transitions. [2018-02-04 03:56:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 03:56:30,409 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:30,409 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:56:30,409 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:30,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1061401106, now seen corresponding path program 1 times [2018-02-04 03:56:30,410 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:30,420 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:30,614 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:30,614 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:56:30,614 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:30,615 INFO L182 omatonBuilderFactory]: Interpolants [5935#true, 5936#false, 5937#(= (select |#valid| main_~head~0.base) 1), 5938#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5939#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 5940#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5941#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5942#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5943#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5944#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base))), 5945#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5946#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5947#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5948#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5949#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 5950#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:56:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:30,615 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:56:30,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:56:30,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:56:30,615 INFO L87 Difference]: Start difference. First operand 179 states and 192 transitions. Second operand 16 states. [2018-02-04 03:56:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:31,272 INFO L93 Difference]: Finished difference Result 273 states and 286 transitions. [2018-02-04 03:56:31,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:56:31,272 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 44 [2018-02-04 03:56:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:31,273 INFO L225 Difference]: With dead ends: 273 [2018-02-04 03:56:31,273 INFO L226 Difference]: Without dead ends: 273 [2018-02-04 03:56:31,273 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:56:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-02-04 03:56:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 179. [2018-02-04 03:56:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 03:56:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 191 transitions. [2018-02-04 03:56:31,275 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 191 transitions. Word has length 44 [2018-02-04 03:56:31,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:31,276 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 191 transitions. [2018-02-04 03:56:31,276 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:56:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 191 transitions. [2018-02-04 03:56:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 03:56:31,276 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:31,276 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:31,276 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:31,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1356296748, now seen corresponding path program 1 times [2018-02-04 03:56:31,277 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:31,283 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:31,452 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:31,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:56:31,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:31,453 INFO L182 omatonBuilderFactory]: Interpolants [6432#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 6433#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|))), 6434#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 6435#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))), 6436#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 6437#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 6438#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 6439#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6440#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 6441#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 6442#(= 1 (select |#valid| |main_#t~mem15.base|)), 6443#(= 1 (select |#valid| main_~x~0.base)), 6427#true, 6428#false, 6429#(= 1 (select |#valid| main_~head~0.base)), 6430#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6431#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:56:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:31,453 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:56:31,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:56:31,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:56:31,453 INFO L87 Difference]: Start difference. First operand 179 states and 191 transitions. Second operand 17 states. [2018-02-04 03:56:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:32,171 INFO L93 Difference]: Finished difference Result 245 states and 259 transitions. [2018-02-04 03:56:32,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:56:32,171 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2018-02-04 03:56:32,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:32,172 INFO L225 Difference]: With dead ends: 245 [2018-02-04 03:56:32,172 INFO L226 Difference]: Without dead ends: 245 [2018-02-04 03:56:32,172 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=899, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:56:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-04 03:56:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 187. [2018-02-04 03:56:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-02-04 03:56:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 200 transitions. [2018-02-04 03:56:32,174 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 200 transitions. Word has length 44 [2018-02-04 03:56:32,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:32,174 INFO L432 AbstractCegarLoop]: Abstraction has 187 states and 200 transitions. [2018-02-04 03:56:32,174 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:56:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 200 transitions. [2018-02-04 03:56:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 03:56:32,175 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:32,175 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:32,175 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:32,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1356296747, now seen corresponding path program 1 times [2018-02-04 03:56:32,176 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:32,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:32,384 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:32,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:56:32,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:32,385 INFO L182 omatonBuilderFactory]: Interpolants [6912#(= 1 (select |#valid| main_~head~0.base)), 6913#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6914#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 6915#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 6916#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6917#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6918#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6919#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base))), 6920#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6921#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6922#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6923#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 6924#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 6925#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 6926#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 6927#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 6910#true, 6911#false] [2018-02-04 03:56:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:32,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:56:32,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:56:32,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:56:32,385 INFO L87 Difference]: Start difference. First operand 187 states and 200 transitions. Second operand 18 states. [2018-02-04 03:56:33,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:33,135 INFO L93 Difference]: Finished difference Result 285 states and 299 transitions. [2018-02-04 03:56:33,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:56:33,135 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-02-04 03:56:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:33,135 INFO L225 Difference]: With dead ends: 285 [2018-02-04 03:56:33,135 INFO L226 Difference]: Without dead ends: 285 [2018-02-04 03:56:33,136 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=854, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:56:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-02-04 03:56:33,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 185. [2018-02-04 03:56:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 03:56:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 197 transitions. [2018-02-04 03:56:33,139 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 197 transitions. Word has length 44 [2018-02-04 03:56:33,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:33,139 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 197 transitions. [2018-02-04 03:56:33,139 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:56:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 197 transitions. [2018-02-04 03:56:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 03:56:33,140 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:33,140 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:33,140 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:33,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1468548595, now seen corresponding path program 1 times [2018-02-04 03:56:33,141 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:33,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,244 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:33,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:56:33,245 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,245 INFO L182 omatonBuilderFactory]: Interpolants [7428#true, 7429#false, 7430#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7431#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7432#(and (= 0 |main_#t~malloc9.offset|) (not (= |main_#t~malloc9.base| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7433#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 7434#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7435#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 7436#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 7437#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 7438#(= 0 |main_#t~mem22.offset|)] [2018-02-04 03:56:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,246 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:56:33,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:56:33,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:56:33,246 INFO L87 Difference]: Start difference. First operand 185 states and 197 transitions. Second operand 11 states. [2018-02-04 03:56:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:33,570 INFO L93 Difference]: Finished difference Result 233 states and 240 transitions. [2018-02-04 03:56:33,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:56:33,570 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2018-02-04 03:56:33,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:33,571 INFO L225 Difference]: With dead ends: 233 [2018-02-04 03:56:33,571 INFO L226 Difference]: Without dead ends: 233 [2018-02-04 03:56:33,571 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:56:33,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-02-04 03:56:33,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 191. [2018-02-04 03:56:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-02-04 03:56:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 204 transitions. [2018-02-04 03:56:33,574 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 204 transitions. Word has length 45 [2018-02-04 03:56:33,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:33,575 INFO L432 AbstractCegarLoop]: Abstraction has 191 states and 204 transitions. [2018-02-04 03:56:33,575 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:56:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 204 transitions. [2018-02-04 03:56:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 03:56:33,575 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:33,575 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:33,576 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:33,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1468548594, now seen corresponding path program 1 times [2018-02-04 03:56:33,576 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:33,583 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,629 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:33,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 03:56:33,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,630 INFO L182 omatonBuilderFactory]: Interpolants [7888#(= 1 (select |#valid| |main_#t~mem22.base|)), 7881#true, 7882#false, 7883#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7884#(= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 7885#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 7886#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7887#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:56:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,630 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:56:33,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:56:33,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:56:33,631 INFO L87 Difference]: Start difference. First operand 191 states and 204 transitions. Second operand 8 states. [2018-02-04 03:56:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:33,771 INFO L93 Difference]: Finished difference Result 240 states and 253 transitions. [2018-02-04 03:56:33,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:56:33,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2018-02-04 03:56:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:33,772 INFO L225 Difference]: With dead ends: 240 [2018-02-04 03:56:33,772 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 03:56:33,773 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:56:33,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 03:56:33,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 214. [2018-02-04 03:56:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-02-04 03:56:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2018-02-04 03:56:33,775 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 45 [2018-02-04 03:56:33,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:33,775 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2018-02-04 03:56:33,775 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:56:33,775 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2018-02-04 03:56:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 03:56:33,776 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:33,776 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:33,776 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:33,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1769046639, now seen corresponding path program 1 times [2018-02-04 03:56:33,776 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:33,784 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,902 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:33,902 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:56:33,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,903 INFO L182 omatonBuilderFactory]: Interpolants [8352#false, 8353#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8354#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8355#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= |main_#t~malloc9.base| 0)) (= main_~x~0.base main_~head~0.base)), 8356#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8357#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8358#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8359#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0))), 8360#(and (not (= |main_#t~mem22.base| 0)) (= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base))), 8361#(= 1 (select |#valid| main_~x~0.base)), 8351#true] [2018-02-04 03:56:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:33,903 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:56:33,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:56:33,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:56:33,903 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand 11 states. [2018-02-04 03:56:34,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:34,144 INFO L93 Difference]: Finished difference Result 236 states and 252 transitions. [2018-02-04 03:56:34,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:56:34,144 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2018-02-04 03:56:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:34,145 INFO L225 Difference]: With dead ends: 236 [2018-02-04 03:56:34,145 INFO L226 Difference]: Without dead ends: 236 [2018-02-04 03:56:34,145 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:56:34,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-02-04 03:56:34,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2018-02-04 03:56:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-02-04 03:56:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 233 transitions. [2018-02-04 03:56:34,147 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 233 transitions. Word has length 47 [2018-02-04 03:56:34,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:34,148 INFO L432 AbstractCegarLoop]: Abstraction has 216 states and 233 transitions. [2018-02-04 03:56:34,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:56:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 233 transitions. [2018-02-04 03:56:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 03:56:34,148 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:34,148 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:34,148 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:34,148 INFO L82 PathProgramCache]: Analyzing trace with hash 549503799, now seen corresponding path program 1 times [2018-02-04 03:56:34,149 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:34,157 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:34,258 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:34,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:56:34,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:34,259 INFO L182 omatonBuilderFactory]: Interpolants [8832#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8833#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 8834#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 8835#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 8836#(= 0 |main_#t~mem20.offset|), 8837#(= 0 main_~x~0.offset), 8838#(= main_~head~0.offset 0), 8826#true, 8827#false, 8828#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8829#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8830#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8831#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:56:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:34,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:56:34,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:56:34,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:56:34,260 INFO L87 Difference]: Start difference. First operand 216 states and 233 transitions. Second operand 13 states. [2018-02-04 03:56:34,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:34,549 INFO L93 Difference]: Finished difference Result 247 states and 258 transitions. [2018-02-04 03:56:34,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:56:34,549 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2018-02-04 03:56:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:34,549 INFO L225 Difference]: With dead ends: 247 [2018-02-04 03:56:34,550 INFO L226 Difference]: Without dead ends: 247 [2018-02-04 03:56:34,550 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:56:34,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-04 03:56:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 212. [2018-02-04 03:56:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-02-04 03:56:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 228 transitions. [2018-02-04 03:56:34,552 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 228 transitions. Word has length 48 [2018-02-04 03:56:34,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:34,552 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 228 transitions. [2018-02-04 03:56:34,552 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:56:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 228 transitions. [2018-02-04 03:56:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:56:34,552 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:34,552 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:34,552 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:34,553 INFO L82 PathProgramCache]: Analyzing trace with hash -753223921, now seen corresponding path program 1 times [2018-02-04 03:56:34,553 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:34,560 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:34,846 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:34,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-04 03:56:34,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:34,846 INFO L182 omatonBuilderFactory]: Interpolants [9322#true, 9323#false, 9324#(= |#valid| |old(#valid)|), 9325#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 9326#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 9327#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 9328#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 9329#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= |main_#t~malloc9.base| 0)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc9.base| 0) |old(#valid)|)), 9330#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 9331#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 9332#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 9333#(and (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 9334#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 9335#(and (not (= |main_#t~mem22.base| main_~x~0.base)) (not (= |main_#t~mem22.base| 0)) (not (= 0 main_~x~0.base)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base 0) |old(#valid)|)), 9336#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|))] [2018-02-04 03:56:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:34,846 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:56:34,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:56:34,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:56:34,847 INFO L87 Difference]: Start difference. First operand 212 states and 228 transitions. Second operand 15 states. [2018-02-04 03:56:35,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:35,298 INFO L93 Difference]: Finished difference Result 225 states and 241 transitions. [2018-02-04 03:56:35,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:56:35,298 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-02-04 03:56:35,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:35,299 INFO L225 Difference]: With dead ends: 225 [2018-02-04 03:56:35,299 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 03:56:35,299 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:56:35,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 03:56:35,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 204. [2018-02-04 03:56:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-02-04 03:56:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 219 transitions. [2018-02-04 03:56:35,303 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 219 transitions. Word has length 49 [2018-02-04 03:56:35,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:35,303 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 219 transitions. [2018-02-04 03:56:35,303 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:56:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 219 transitions. [2018-02-04 03:56:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 03:56:35,304 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:35,304 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:35,304 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:35,304 INFO L82 PathProgramCache]: Analyzing trace with hash -207821991, now seen corresponding path program 2 times [2018-02-04 03:56:35,305 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:35,314 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:56:35,436 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:56:35,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:56:35,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:35,437 INFO L182 omatonBuilderFactory]: Interpolants [9792#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))), 9793#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= |main_#t~mem19| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 9784#true, 9785#false, 9786#(= 0 |main_#t~malloc0.offset|), 9787#(= main_~head~0.offset 0), 9788#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9789#(and (= main_~head~0.offset main_~x~0.offset) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) |main_#t~mem13|) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9790#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9791#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))] [2018-02-04 03:56:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:56:35,437 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:56:35,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:56:35,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:56:35,437 INFO L87 Difference]: Start difference. First operand 204 states and 219 transitions. Second operand 10 states. [2018-02-04 03:56:35,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:35,561 INFO L93 Difference]: Finished difference Result 222 states and 227 transitions. [2018-02-04 03:56:35,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:56:35,561 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-02-04 03:56:35,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:35,561 INFO L225 Difference]: With dead ends: 222 [2018-02-04 03:56:35,561 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 03:56:35,562 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:56:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 03:56:35,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 175. [2018-02-04 03:56:35,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-02-04 03:56:35,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2018-02-04 03:56:35,564 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 50 [2018-02-04 03:56:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:35,564 INFO L432 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2018-02-04 03:56:35,564 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:56:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2018-02-04 03:56:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:56:35,565 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:35,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:35,565 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:35,565 INFO L82 PathProgramCache]: Analyzing trace with hash -769925932, now seen corresponding path program 1 times [2018-02-04 03:56:35,566 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:35,577 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:35,820 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:35,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:56:35,820 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:35,821 INFO L182 omatonBuilderFactory]: Interpolants [10208#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10209#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 10210#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10211#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 10212#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 10213#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 10214#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|))), 10215#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10216#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 10217#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 10218#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 10219#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 10220#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 10221#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 10222#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 10223#(= 1 (select |#valid| |main_#t~mem17.base|)), 10224#(= 1 (select |#valid| main_~x~0.base)), 10205#true, 10206#false, 10207#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:56:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:35,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:56:35,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:56:35,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:56:35,822 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand 20 states. [2018-02-04 03:56:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:36,544 INFO L93 Difference]: Finished difference Result 246 states and 260 transitions. [2018-02-04 03:56:36,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:56:36,544 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:56:36,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:36,546 INFO L225 Difference]: With dead ends: 246 [2018-02-04 03:56:36,547 INFO L226 Difference]: Without dead ends: 246 [2018-02-04 03:56:36,547 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=1152, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:56:36,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-02-04 03:56:36,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 178. [2018-02-04 03:56:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 03:56:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 192 transitions. [2018-02-04 03:56:36,551 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 192 transitions. Word has length 53 [2018-02-04 03:56:36,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:36,552 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 192 transitions. [2018-02-04 03:56:36,552 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:56:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 192 transitions. [2018-02-04 03:56:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:56:36,552 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:36,552 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:36,552 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:36,553 INFO L82 PathProgramCache]: Analyzing trace with hash -769925931, now seen corresponding path program 1 times [2018-02-04 03:56:36,553 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:36,562 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:36,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:36,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:56:36,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:36,889 INFO L182 omatonBuilderFactory]: Interpolants [10688#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10689#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 10690#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10691#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 10692#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 10693#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 10694#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| |main_#t~malloc9.base|))), 10695#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 10696#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 10697#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 10698#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 10699#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 10700#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 10701#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 10702#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 10703#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 10704#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 10685#true, 10686#false, 10687#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:56:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:36,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:56:36,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:56:36,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:56:36,890 INFO L87 Difference]: Start difference. First operand 178 states and 192 transitions. Second operand 20 states. [2018-02-04 03:56:37,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:37,661 INFO L93 Difference]: Finished difference Result 276 states and 289 transitions. [2018-02-04 03:56:37,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:56:37,661 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:56:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:37,662 INFO L225 Difference]: With dead ends: 276 [2018-02-04 03:56:37,662 INFO L226 Difference]: Without dead ends: 276 [2018-02-04 03:56:37,663 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=1078, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:56:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-02-04 03:56:37,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 178. [2018-02-04 03:56:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 03:56:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 191 transitions. [2018-02-04 03:56:37,666 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 191 transitions. Word has length 53 [2018-02-04 03:56:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:37,667 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 191 transitions. [2018-02-04 03:56:37,667 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:56:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2018-02-04 03:56:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:56:37,667 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:37,667 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:37,668 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:37,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1107343511, now seen corresponding path program 2 times [2018-02-04 03:56:37,668 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:37,687 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:37,910 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:37,910 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:56:37,911 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:37,911 INFO L182 omatonBuilderFactory]: Interpolants [11200#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|))), 11201#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 11202#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 11203#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 11204#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 11205#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 11206#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 11207#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 11208#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 11209#(= 1 (select |#valid| |main_#t~mem15.base|)), 11210#(= 1 (select |#valid| main_~x~0.base)), 11191#true, 11192#false, 11193#(= 1 (select |#valid| main_~head~0.base)), 11194#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11195#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 11196#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 11197#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 11198#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 11199#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)))] [2018-02-04 03:56:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:37,911 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:56:37,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:56:37,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:56:37,911 INFO L87 Difference]: Start difference. First operand 178 states and 191 transitions. Second operand 20 states. [2018-02-04 03:56:38,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:38,514 INFO L93 Difference]: Finished difference Result 248 states and 262 transitions. [2018-02-04 03:56:38,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:56:38,514 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:56:38,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:38,515 INFO L225 Difference]: With dead ends: 248 [2018-02-04 03:56:38,515 INFO L226 Difference]: Without dead ends: 248 [2018-02-04 03:56:38,515 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=1037, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:56:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-02-04 03:56:38,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 186. [2018-02-04 03:56:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-02-04 03:56:38,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 200 transitions. [2018-02-04 03:56:38,517 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 200 transitions. Word has length 53 [2018-02-04 03:56:38,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:38,517 INFO L432 AbstractCegarLoop]: Abstraction has 186 states and 200 transitions. [2018-02-04 03:56:38,518 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:56:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 200 transitions. [2018-02-04 03:56:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:56:38,518 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:38,518 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:38,518 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:38,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1107343512, now seen corresponding path program 2 times [2018-02-04 03:56:38,519 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:38,527 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:38,765 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:38,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:56:38,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:38,766 INFO L182 omatonBuilderFactory]: Interpolants [11680#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11681#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 11682#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 11683#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 11684#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 11685#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 11686#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| |main_#t~malloc9.base|))), 11687#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 11688#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 11689#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 11690#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 11691#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 11692#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 11693#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 11694#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 11695#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 11696#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 11677#true, 11678#false, 11679#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:56:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:38,766 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:56:38,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:56:38,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:56:38,767 INFO L87 Difference]: Start difference. First operand 186 states and 200 transitions. Second operand 20 states. [2018-02-04 03:56:39,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:39,649 INFO L93 Difference]: Finished difference Result 288 states and 302 transitions. [2018-02-04 03:56:39,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:56:39,649 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 03:56:39,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:39,650 INFO L225 Difference]: With dead ends: 288 [2018-02-04 03:56:39,650 INFO L226 Difference]: Without dead ends: 288 [2018-02-04 03:56:39,650 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=1078, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:56:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-02-04 03:56:39,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 192. [2018-02-04 03:56:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-02-04 03:56:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 206 transitions. [2018-02-04 03:56:39,652 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 206 transitions. Word has length 53 [2018-02-04 03:56:39,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:39,652 INFO L432 AbstractCegarLoop]: Abstraction has 192 states and 206 transitions. [2018-02-04 03:56:39,653 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:56:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 206 transitions. [2018-02-04 03:56:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:56:39,653 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:39,653 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:39,653 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:39,653 INFO L82 PathProgramCache]: Analyzing trace with hash -684830248, now seen corresponding path program 2 times [2018-02-04 03:56:39,653 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:39,661 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:39,828 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:39,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:56:39,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:39,828 INFO L182 omatonBuilderFactory]: Interpolants [12224#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 12225#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 12226#(= 1 (select |#valid| |main_#t~mem17.base|)), 12227#(= 1 (select |#valid| main_~x~0.base)), 12209#true, 12210#false, 12211#(= (select |#valid| main_~head~0.base) 1), 12212#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 12213#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 12214#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 12215#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 12216#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 12217#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 12218#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 12219#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 12220#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 12221#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)))), 12222#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 12223#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)))] [2018-02-04 03:56:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:39,828 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:56:39,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:56:39,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:56:39,829 INFO L87 Difference]: Start difference. First operand 192 states and 206 transitions. Second operand 19 states. [2018-02-04 03:56:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:40,441 INFO L93 Difference]: Finished difference Result 297 states and 314 transitions. [2018-02-04 03:56:40,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:56:40,441 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-02-04 03:56:40,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:40,442 INFO L225 Difference]: With dead ends: 297 [2018-02-04 03:56:40,442 INFO L226 Difference]: Without dead ends: 297 [2018-02-04 03:56:40,442 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=355, Invalid=1367, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:56:40,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-02-04 03:56:40,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 223. [2018-02-04 03:56:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-02-04 03:56:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2018-02-04 03:56:40,444 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 55 [2018-02-04 03:56:40,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:40,444 INFO L432 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2018-02-04 03:56:40,444 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:56:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2018-02-04 03:56:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:56:40,445 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:40,445 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:40,445 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:40,445 INFO L82 PathProgramCache]: Analyzing trace with hash -684830247, now seen corresponding path program 2 times [2018-02-04 03:56:40,445 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:40,453 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:40,742 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:40,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:56:40,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:40,743 INFO L182 omatonBuilderFactory]: Interpolants [12800#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 12801#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12802#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 12803#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 12804#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 12805#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12806#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12807#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 12808#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12809#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12810#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12811#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 12812#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 12813#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 12794#true, 12795#false, 12796#(= (select |#valid| main_~head~0.base) 1), 12797#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 12798#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 12799#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:56:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:40,743 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:56:40,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:56:40,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:56:40,743 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand 20 states. [2018-02-04 03:56:41,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:41,557 INFO L93 Difference]: Finished difference Result 324 states and 340 transitions. [2018-02-04 03:56:41,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:56:41,558 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 55 [2018-02-04 03:56:41,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:41,558 INFO L225 Difference]: With dead ends: 324 [2018-02-04 03:56:41,558 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 03:56:41,559 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=302, Invalid=1338, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:56:41,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 03:56:41,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 215. [2018-02-04 03:56:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-02-04 03:56:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 231 transitions. [2018-02-04 03:56:41,562 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 231 transitions. Word has length 55 [2018-02-04 03:56:41,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:41,562 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 231 transitions. [2018-02-04 03:56:41,562 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:56:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2018-02-04 03:56:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:56:41,562 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:41,562 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:41,562 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:41,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1192439195, now seen corresponding path program 3 times [2018-02-04 03:56:41,563 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:41,570 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:41,780 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:41,780 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:56:41,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:41,781 INFO L182 omatonBuilderFactory]: Interpolants [13408#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13409#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 13410#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 13411#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 13412#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13413#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13414#(= 1 (select |#valid| |main_#t~mem15.base|)), 13415#(= 1 (select |#valid| main_~x~0.base)), 13395#true, 13396#false, 13397#(= 1 (select |#valid| main_~head~0.base)), 13398#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13399#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 13400#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 13401#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 13402#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 13403#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 13404#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 13405#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|))), 13406#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 13407#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:56:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:41,781 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:56:41,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:56:41,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:56:41,782 INFO L87 Difference]: Start difference. First operand 215 states and 231 transitions. Second operand 21 states. [2018-02-04 03:56:42,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:42,555 INFO L93 Difference]: Finished difference Result 297 states and 314 transitions. [2018-02-04 03:56:42,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:56:42,556 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 55 [2018-02-04 03:56:42,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:42,556 INFO L225 Difference]: With dead ends: 297 [2018-02-04 03:56:42,556 INFO L226 Difference]: Without dead ends: 297 [2018-02-04 03:56:42,557 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=406, Invalid=1756, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:56:42,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-02-04 03:56:42,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 223. [2018-02-04 03:56:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-02-04 03:56:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2018-02-04 03:56:42,559 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 55 [2018-02-04 03:56:42,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:42,559 INFO L432 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2018-02-04 03:56:42,560 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:56:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2018-02-04 03:56:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:56:42,560 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:42,560 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:42,560 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:42,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1192439196, now seen corresponding path program 3 times [2018-02-04 03:56:42,561 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:42,567 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:42,970 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:42,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:56:42,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:42,970 INFO L182 omatonBuilderFactory]: Interpolants [13988#true, 13989#false, 13990#(= 1 (select |#valid| main_~head~0.base)), 13991#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13992#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 13993#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 13994#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 13995#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13996#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 13997#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 13998#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 13999#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14000#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14001#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 14002#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14003#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14004#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14005#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 14006#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 14007#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 14008#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 14009#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:56:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:42,971 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:56:42,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:56:42,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:56:42,971 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand 22 states. [2018-02-04 03:56:43,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:43,933 INFO L93 Difference]: Finished difference Result 337 states and 354 transitions. [2018-02-04 03:56:43,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:56:43,933 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 55 [2018-02-04 03:56:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:43,934 INFO L225 Difference]: With dead ends: 337 [2018-02-04 03:56:43,934 INFO L226 Difference]: Without dead ends: 337 [2018-02-04 03:56:43,935 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=352, Invalid=1718, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:56:43,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-02-04 03:56:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 215. [2018-02-04 03:56:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-02-04 03:56:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 231 transitions. [2018-02-04 03:56:43,937 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 231 transitions. Word has length 55 [2018-02-04 03:56:43,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:43,938 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 231 transitions. [2018-02-04 03:56:43,938 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:56:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2018-02-04 03:56:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 03:56:43,938 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:43,938 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:43,939 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:43,939 INFO L82 PathProgramCache]: Analyzing trace with hash 232854310, now seen corresponding path program 1 times [2018-02-04 03:56:43,939 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:43,947 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:44,066 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:44,066 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:56:44,066 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:44,067 INFO L182 omatonBuilderFactory]: Interpolants [14624#(= 0 |main_#t~mem22.offset|), 14610#true, 14611#false, 14612#(= (select |#valid| main_~head~0.base) 1), 14613#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14614#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 14615#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14616#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14617#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14618#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 14619#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14620#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14621#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 14622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 14623#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))] [2018-02-04 03:56:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:44,067 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:56:44,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:56:44,067 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:56:44,067 INFO L87 Difference]: Start difference. First operand 215 states and 231 transitions. Second operand 15 states. [2018-02-04 03:56:44,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:44,446 INFO L93 Difference]: Finished difference Result 331 states and 347 transitions. [2018-02-04 03:56:44,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:56:44,446 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2018-02-04 03:56:44,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:44,447 INFO L225 Difference]: With dead ends: 331 [2018-02-04 03:56:44,447 INFO L226 Difference]: Without dead ends: 331 [2018-02-04 03:56:44,447 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:56:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-02-04 03:56:44,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 283. [2018-02-04 03:56:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 03:56:44,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 311 transitions. [2018-02-04 03:56:44,450 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 311 transitions. Word has length 56 [2018-02-04 03:56:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:44,450 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 311 transitions. [2018-02-04 03:56:44,450 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:56:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 311 transitions. [2018-02-04 03:56:44,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:56:44,450 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:44,450 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:44,450 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:44,450 INFO L82 PathProgramCache]: Analyzing trace with hash 434698568, now seen corresponding path program 1 times [2018-02-04 03:56:44,451 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:44,456 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:44,587 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:44,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:56:44,587 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:44,588 INFO L182 omatonBuilderFactory]: Interpolants [15265#true, 15266#false, 15267#(= (select |#valid| main_~head~0.base) 1), 15268#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15269#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 15270#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15271#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15272#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 15273#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|))), 15274#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15275#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15276#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 15277#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 15278#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 15279#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15280#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15281#(= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base)), 15282#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:44,588 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:56:44,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:56:44,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:56:44,588 INFO L87 Difference]: Start difference. First operand 283 states and 311 transitions. Second operand 18 states. [2018-02-04 03:56:45,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:45,067 INFO L93 Difference]: Finished difference Result 330 states and 346 transitions. [2018-02-04 03:56:45,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:56:45,067 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-02-04 03:56:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:45,068 INFO L225 Difference]: With dead ends: 330 [2018-02-04 03:56:45,068 INFO L226 Difference]: Without dead ends: 330 [2018-02-04 03:56:45,068 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:56:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-02-04 03:56:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 285. [2018-02-04 03:56:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-02-04 03:56:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 313 transitions. [2018-02-04 03:56:45,072 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 313 transitions. Word has length 58 [2018-02-04 03:56:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:45,072 INFO L432 AbstractCegarLoop]: Abstraction has 285 states and 313 transitions. [2018-02-04 03:56:45,072 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:56:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 313 transitions. [2018-02-04 03:56:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:56:45,073 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:45,073 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:45,073 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1133501352, now seen corresponding path program 1 times [2018-02-04 03:56:45,074 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:45,085 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:45,428 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:45,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:56:45,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:45,429 INFO L182 omatonBuilderFactory]: Interpolants [15936#true, 15937#false, 15938#(= 0 |main_#t~malloc0.offset|), 15939#(= main_~head~0.offset 0), 15940#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15941#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15942#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= (+ main_~head~0.offset 4) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 15943#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= (+ main_~head~0.offset 4) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 15944#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (+ main_~head~0.offset 4) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 15945#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15946#(and (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 15947#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 15948#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 15949#(and (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 15950#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 15951#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 15952#(and (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 |main_#t~mem13|)), 15953#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)), 15954#(not (= |main_#t~mem19| 1))] [2018-02-04 03:56:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:45,429 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:56:45,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:56:45,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:56:45,430 INFO L87 Difference]: Start difference. First operand 285 states and 313 transitions. Second operand 19 states. [2018-02-04 03:56:45,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:45,946 INFO L93 Difference]: Finished difference Result 294 states and 309 transitions. [2018-02-04 03:56:45,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:56:45,946 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 60 [2018-02-04 03:56:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:45,947 INFO L225 Difference]: With dead ends: 294 [2018-02-04 03:56:45,947 INFO L226 Difference]: Without dead ends: 294 [2018-02-04 03:56:45,947 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:56:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-02-04 03:56:45,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 257. [2018-02-04 03:56:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 03:56:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 282 transitions. [2018-02-04 03:56:45,949 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 282 transitions. Word has length 60 [2018-02-04 03:56:45,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:45,949 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 282 transitions. [2018-02-04 03:56:45,949 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:56:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 282 transitions. [2018-02-04 03:56:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:56:45,950 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:45,950 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:45,950 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:45,950 INFO L82 PathProgramCache]: Analyzing trace with hash 314842481, now seen corresponding path program 2 times [2018-02-04 03:56:45,951 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:45,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:46,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:46,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:56:46,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:46,304 INFO L182 omatonBuilderFactory]: Interpolants [16544#(= 0 |main_#t~malloc0.offset|), 16545#(= main_~head~0.offset 0), 16546#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 16547#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 16548#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 16549#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 16550#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 16551#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 16552#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 16553#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 16554#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 16555#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0)), 16556#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0)), 16557#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2)), 16558#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2))), 16559#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2))), 16560#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 16561#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 16562#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 16563#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 16564#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)), 16542#true, 16543#false] [2018-02-04 03:56:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:46,304 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:56:46,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:56:46,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:56:46,304 INFO L87 Difference]: Start difference. First operand 257 states and 282 transitions. Second operand 23 states. [2018-02-04 03:56:47,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:47,274 INFO L93 Difference]: Finished difference Result 306 states and 320 transitions. [2018-02-04 03:56:47,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:56:47,274 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 62 [2018-02-04 03:56:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:47,275 INFO L225 Difference]: With dead ends: 306 [2018-02-04 03:56:47,275 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 03:56:47,275 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=395, Invalid=1957, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:56:47,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 03:56:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 261. [2018-02-04 03:56:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 03:56:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 289 transitions. [2018-02-04 03:56:47,279 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 289 transitions. Word has length 62 [2018-02-04 03:56:47,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:47,279 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 289 transitions. [2018-02-04 03:56:47,279 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:56:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 289 transitions. [2018-02-04 03:56:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 03:56:47,279 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:47,280 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:47,280 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:47,280 INFO L82 PathProgramCache]: Analyzing trace with hash -2102855372, now seen corresponding path program 4 times [2018-02-04 03:56:47,280 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:47,289 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:47,630 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:47,630 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:56:47,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:47,631 INFO L182 omatonBuilderFactory]: Interpolants [17184#true, 17185#false, 17186#(= 0 |main_#t~malloc0.offset|), 17187#(= main_~head~0.offset 0), 17188#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 17189#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 17190#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 17191#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 17192#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 17193#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 17194#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 17195#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 17196#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 17197#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0)), 17198#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0)), 17199#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2)), 17200#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2))), 17201#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2))), 17202#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 17203#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 17204#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 17205#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 17206#(= |main_#t~mem14| 2)] [2018-02-04 03:56:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:47,631 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:56:47,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:56:47,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:56:47,631 INFO L87 Difference]: Start difference. First operand 261 states and 289 transitions. Second operand 23 states. [2018-02-04 03:56:48,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:48,508 INFO L93 Difference]: Finished difference Result 266 states and 278 transitions. [2018-02-04 03:56:48,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:56:48,508 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 62 [2018-02-04 03:56:48,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:48,509 INFO L225 Difference]: With dead ends: 266 [2018-02-04 03:56:48,509 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 03:56:48,509 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=344, Invalid=1726, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:56:48,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 03:56:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 221. [2018-02-04 03:56:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-02-04 03:56:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 235 transitions. [2018-02-04 03:56:48,511 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 235 transitions. Word has length 62 [2018-02-04 03:56:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:48,511 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 235 transitions. [2018-02-04 03:56:48,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:56:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 235 transitions. [2018-02-04 03:56:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:56:48,512 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:48,512 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:48,512 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:48,512 INFO L82 PathProgramCache]: Analyzing trace with hash -468498279, now seen corresponding path program 1 times [2018-02-04 03:56:48,512 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:48,517 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:48,856 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:48,856 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:56:48,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:48,857 INFO L182 omatonBuilderFactory]: Interpolants [17740#true, 17741#false, 17742#(not (= 0 |main_#t~malloc0.base|)), 17743#(not (= 0 main_~head~0.base)), 17744#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 17745#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 17746#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 17747#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17748#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 17749#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 17750#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base))), 17751#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 17752#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 17753#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 17754#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 17755#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 17756#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 17757#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 17758#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 17759#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 17760#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 17761#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 17762#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 17763#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 17764#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 17765#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:48,857 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:56:48,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:56:48,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:56:48,857 INFO L87 Difference]: Start difference. First operand 221 states and 235 transitions. Second operand 26 states. [2018-02-04 03:56:50,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:50,097 INFO L93 Difference]: Finished difference Result 275 states and 287 transitions. [2018-02-04 03:56:50,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:56:50,097 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 64 [2018-02-04 03:56:50,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:50,098 INFO L225 Difference]: With dead ends: 275 [2018-02-04 03:56:50,098 INFO L226 Difference]: Without dead ends: 275 [2018-02-04 03:56:50,099 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=591, Invalid=2379, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:56:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-02-04 03:56:50,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 226. [2018-02-04 03:56:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-02-04 03:56:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 241 transitions. [2018-02-04 03:56:50,102 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 241 transitions. Word has length 64 [2018-02-04 03:56:50,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:50,102 INFO L432 AbstractCegarLoop]: Abstraction has 226 states and 241 transitions. [2018-02-04 03:56:50,102 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:56:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 241 transitions. [2018-02-04 03:56:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:56:50,103 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:50,103 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:50,103 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:50,103 INFO L82 PathProgramCache]: Analyzing trace with hash -468498278, now seen corresponding path program 1 times [2018-02-04 03:56:50,104 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:50,112 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:50,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:50,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:56:50,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:50,391 INFO L182 omatonBuilderFactory]: Interpolants [18336#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 18337#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 18338#(and (= main_~x~0.offset main_~head~0.offset) (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 18339#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (or (not (= 0 |main_#t~mem14|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))), 18340#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18341#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18342#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18343#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18344#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18345#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|))), 18346#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base))), 18325#true, 18326#false, 18327#(= 1 (select |#valid| main_~head~0.base)), 18328#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 18329#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 18330#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 18331#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18332#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18333#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 18334#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18335#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:56:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:50,391 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:56:50,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:56:50,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:56:50,391 INFO L87 Difference]: Start difference. First operand 226 states and 241 transitions. Second operand 22 states. [2018-02-04 03:56:50,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:50,973 INFO L93 Difference]: Finished difference Result 251 states and 263 transitions. [2018-02-04 03:56:50,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:56:50,973 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-02-04 03:56:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:50,973 INFO L225 Difference]: With dead ends: 251 [2018-02-04 03:56:50,973 INFO L226 Difference]: Without dead ends: 251 [2018-02-04 03:56:50,974 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:56:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-02-04 03:56:50,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 228. [2018-02-04 03:56:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:56:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 243 transitions. [2018-02-04 03:56:50,976 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 243 transitions. Word has length 64 [2018-02-04 03:56:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:50,976 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 243 transitions. [2018-02-04 03:56:50,976 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:56:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 243 transitions. [2018-02-04 03:56:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:56:50,976 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:50,976 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:50,976 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:50,976 INFO L82 PathProgramCache]: Analyzing trace with hash 63638765, now seen corresponding path program 3 times [2018-02-04 03:56:50,977 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:50,983 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:51,319 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:51,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:56:51,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:51,320 INFO L182 omatonBuilderFactory]: Interpolants [18880#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 18881#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 18882#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 18883#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 18884#(= 1 (select |#valid| |main_#t~mem17.base|)), 18885#(= 1 (select |#valid| main_~x~0.base)), 18862#true, 18863#false, 18864#(= 1 (select |#valid| main_~head~0.base)), 18865#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 18866#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 18867#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 18868#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 18869#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 18870#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 18871#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 18872#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 18873#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 18874#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 18875#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 18876#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 18877#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 18878#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 18879#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))] [2018-02-04 03:56:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:51,320 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:56:51,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:56:51,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:56:51,321 INFO L87 Difference]: Start difference. First operand 228 states and 243 transitions. Second operand 24 states. [2018-02-04 03:56:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:52,341 INFO L93 Difference]: Finished difference Result 306 states and 324 transitions. [2018-02-04 03:56:52,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:56:52,341 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-02-04 03:56:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:52,342 INFO L225 Difference]: With dead ends: 306 [2018-02-04 03:56:52,342 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 03:56:52,343 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=327, Invalid=1929, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:56:52,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 03:56:52,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 231. [2018-02-04 03:56:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:56:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 247 transitions. [2018-02-04 03:56:52,345 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 247 transitions. Word has length 64 [2018-02-04 03:56:52,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:52,345 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 247 transitions. [2018-02-04 03:56:52,345 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:56:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 247 transitions. [2018-02-04 03:56:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:56:52,345 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:52,345 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:52,346 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:52,346 INFO L82 PathProgramCache]: Analyzing trace with hash 63638766, now seen corresponding path program 2 times [2018-02-04 03:56:52,346 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:52,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:52,730 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:52,731 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:56:52,731 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:52,731 INFO L182 omatonBuilderFactory]: Interpolants [19471#true, 19472#false, 19473#(= 1 (select |#valid| main_~head~0.base)), 19474#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 19475#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 19476#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 19477#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 19478#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 19479#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 19480#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 19481#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 19482#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem6.base|))), 19483#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 19484#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 19485#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 19486#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 19487#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 19488#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 19489#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 19490#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 19491#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 19492#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 19493#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 19494#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 19495#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:56:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:52,731 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:56:52,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:56:52,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:56:52,732 INFO L87 Difference]: Start difference. First operand 231 states and 247 transitions. Second operand 25 states. [2018-02-04 03:56:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:53,875 INFO L93 Difference]: Finished difference Result 336 states and 353 transitions. [2018-02-04 03:56:53,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:56:53,875 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 03:56:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:53,875 INFO L225 Difference]: With dead ends: 336 [2018-02-04 03:56:53,876 INFO L226 Difference]: Without dead ends: 336 [2018-02-04 03:56:53,876 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=1737, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:56:53,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-02-04 03:56:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 231. [2018-02-04 03:56:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:56:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 246 transitions. [2018-02-04 03:56:53,878 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 246 transitions. Word has length 64 [2018-02-04 03:56:53,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:53,879 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 246 transitions. [2018-02-04 03:56:53,879 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:56:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 246 transitions. [2018-02-04 03:56:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:56:53,879 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:53,880 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:53,880 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:53,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1940908208, now seen corresponding path program 5 times [2018-02-04 03:56:53,880 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:53,890 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:54,176 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:54,176 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:56:54,176 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:54,176 INFO L182 omatonBuilderFactory]: Interpolants [20103#true, 20104#false, 20105#(= 1 (select |#valid| main_~head~0.base)), 20106#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 20107#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 20108#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 20109#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 20110#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20111#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20112#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 20113#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 20114#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20115#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20116#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 20117#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 20118#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 20119#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20120#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 20121#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 20122#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 20123#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 20124#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 20125#(= 1 (select |#valid| |main_#t~mem15.base|)), 20126#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:54,177 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:56:54,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:56:54,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:56:54,177 INFO L87 Difference]: Start difference. First operand 231 states and 246 transitions. Second operand 24 states. [2018-02-04 03:56:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:55,197 INFO L93 Difference]: Finished difference Result 308 states and 326 transitions. [2018-02-04 03:56:55,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:56:55,197 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-02-04 03:56:55,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:55,198 INFO L225 Difference]: With dead ends: 308 [2018-02-04 03:56:55,198 INFO L226 Difference]: Without dead ends: 308 [2018-02-04 03:56:55,199 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=299, Invalid=1771, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:56:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-02-04 03:56:55,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 239. [2018-02-04 03:56:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 03:56:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 255 transitions. [2018-02-04 03:56:55,201 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 255 transitions. Word has length 64 [2018-02-04 03:56:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:55,201 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 255 transitions. [2018-02-04 03:56:55,201 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:56:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 255 transitions. [2018-02-04 03:56:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:56:55,201 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:55,201 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:55,201 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:55,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1940908209, now seen corresponding path program 4 times [2018-02-04 03:56:55,202 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:55,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:55,596 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:55,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:56:55,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:55,596 INFO L182 omatonBuilderFactory]: Interpolants [20736#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 20737#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 20738#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 20739#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 20740#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 20741#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 20742#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 20718#true, 20719#false, 20720#(= 1 (select |#valid| main_~head~0.base)), 20721#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 20722#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 20723#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 20724#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 20725#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20726#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20727#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 20728#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 20729#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem6.base|))), 20730#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20731#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20732#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 20733#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20734#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 20735#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-02-04 03:56:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:55,597 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:56:55,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:56:55,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:56:55,597 INFO L87 Difference]: Start difference. First operand 239 states and 255 transitions. Second operand 25 states. [2018-02-04 03:56:56,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:56,862 INFO L93 Difference]: Finished difference Result 348 states and 366 transitions. [2018-02-04 03:56:56,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:56:56,862 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 03:56:56,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:56,863 INFO L225 Difference]: With dead ends: 348 [2018-02-04 03:56:56,863 INFO L226 Difference]: Without dead ends: 348 [2018-02-04 03:56:56,863 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=1737, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:56:56,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-02-04 03:56:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 245. [2018-02-04 03:56:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 03:56:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 261 transitions. [2018-02-04 03:56:56,865 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 261 transitions. Word has length 64 [2018-02-04 03:56:56,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:56,866 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 261 transitions. [2018-02-04 03:56:56,866 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:56:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 261 transitions. [2018-02-04 03:56:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:56:56,866 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:56,867 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:56,867 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:56,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1506926513, now seen corresponding path program 3 times [2018-02-04 03:56:56,867 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:56,877 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:57,108 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:57,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:56:57,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:57,108 INFO L182 omatonBuilderFactory]: Interpolants [21376#true, 21377#false, 21378#(= (select |#valid| main_~head~0.base) 1), 21379#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21380#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 21381#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21382#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 21383#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 21384#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21385#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 21386#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 21387#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 21388#(and (or (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21389#(and (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 21390#(and (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 21391#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~x~0.base main_~head~0.base))), 21392#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (or (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))))), 21393#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 21394#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 21395#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 21396#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 21397#(= 1 (select |#valid| |main_#t~mem17.base|)), 21398#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:57,108 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:56:57,108 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:56:57,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:56:57,109 INFO L87 Difference]: Start difference. First operand 245 states and 261 transitions. Second operand 23 states. [2018-02-04 03:56:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:57,938 INFO L93 Difference]: Finished difference Result 266 states and 279 transitions. [2018-02-04 03:56:57,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:56:57,938 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-02-04 03:56:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:57,939 INFO L225 Difference]: With dead ends: 266 [2018-02-04 03:56:57,939 INFO L226 Difference]: Without dead ends: 266 [2018-02-04 03:56:57,940 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=427, Invalid=1735, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:56:57,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-02-04 03:56:57,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 245. [2018-02-04 03:56:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 03:56:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 260 transitions. [2018-02-04 03:56:57,941 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 260 transitions. Word has length 66 [2018-02-04 03:56:57,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:57,941 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 260 transitions. [2018-02-04 03:56:57,941 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:56:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 260 transitions. [2018-02-04 03:56:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:56:57,942 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:57,942 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:57,942 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1506926514, now seen corresponding path program 3 times [2018-02-04 03:56:57,942 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:57,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:56:58,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:58,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:56:58,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:58,440 INFO L182 omatonBuilderFactory]: Interpolants [21958#true, 21959#false, 21960#(= (select |#valid| main_~head~0.base) 1), 21961#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21962#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 21963#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21964#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 21965#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21966#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 21967#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21968#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21969#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21970#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21971#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21972#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21973#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21974#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 21975#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21976#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21977#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21978#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 21979#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 21980#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:56:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:56:58,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:56:58,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:56:58,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:56:58,441 INFO L87 Difference]: Start difference. First operand 245 states and 260 transitions. Second operand 23 states. [2018-02-04 03:56:59,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:56:59,353 INFO L93 Difference]: Finished difference Result 287 states and 300 transitions. [2018-02-04 03:56:59,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:56:59,353 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-02-04 03:56:59,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:56:59,354 INFO L225 Difference]: With dead ends: 287 [2018-02-04 03:56:59,354 INFO L226 Difference]: Without dead ends: 287 [2018-02-04 03:56:59,354 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=418, Invalid=1744, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:56:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-02-04 03:56:59,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 237. [2018-02-04 03:56:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:56:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 251 transitions. [2018-02-04 03:56:59,356 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 251 transitions. Word has length 66 [2018-02-04 03:56:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:56:59,356 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 251 transitions. [2018-02-04 03:56:59,356 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:56:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 251 transitions. [2018-02-04 03:56:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:56:59,356 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:56:59,357 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:56:59,357 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:56:59,357 INFO L82 PathProgramCache]: Analyzing trace with hash -910771340, now seen corresponding path program 6 times [2018-02-04 03:56:59,357 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:56:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:56:59,364 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:56:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:59,650 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:56:59,650 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:56:59,650 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:56:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:59,651 INFO L182 omatonBuilderFactory]: Interpolants [22553#true, 22554#false, 22555#(= 1 (select |#valid| main_~head~0.base)), 22556#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 22557#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 22558#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 22559#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 22560#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 22561#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 22562#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 22563#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|))), 22564#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 22565#(and (or (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 22566#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 22567#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 22568#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 22569#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (or (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))))), 22570#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 22571#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 22572#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 22573#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 22574#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 22575#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 22576#(= 1 (select |#valid| |main_#t~mem15.base|)), 22577#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:56:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:56:59,651 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:56:59,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:56:59,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:56:59,651 INFO L87 Difference]: Start difference. First operand 237 states and 251 transitions. Second operand 25 states. [2018-02-04 03:57:00,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:00,588 INFO L93 Difference]: Finished difference Result 260 states and 273 transitions. [2018-02-04 03:57:00,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:57:00,588 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-02-04 03:57:00,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:00,589 INFO L225 Difference]: With dead ends: 260 [2018-02-04 03:57:00,589 INFO L226 Difference]: Without dead ends: 260 [2018-02-04 03:57:00,589 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=492, Invalid=2160, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:57:00,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-02-04 03:57:00,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 245. [2018-02-04 03:57:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 03:57:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 260 transitions. [2018-02-04 03:57:00,592 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 260 transitions. Word has length 66 [2018-02-04 03:57:00,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:00,592 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 260 transitions. [2018-02-04 03:57:00,592 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:57:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 260 transitions. [2018-02-04 03:57:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:57:00,592 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:00,592 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:00,592 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:00,592 INFO L82 PathProgramCache]: Analyzing trace with hash -910771339, now seen corresponding path program 5 times [2018-02-04 03:57:00,593 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:00,600 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:01,027 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:01,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:57:01,028 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:01,028 INFO L182 omatonBuilderFactory]: Interpolants [23137#true, 23138#false, 23139#(= 1 (select |#valid| main_~head~0.base)), 23140#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23141#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 23142#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23143#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 23144#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23145#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23146#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 23147#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 23148#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23149#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23150#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 23151#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23152#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23153#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23154#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23155#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 23156#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23157#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23158#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23159#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 23160#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 23161#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 23162#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 23163#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:57:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:01,028 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:01,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:01,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:01,029 INFO L87 Difference]: Start difference. First operand 245 states and 260 transitions. Second operand 27 states. [2018-02-04 03:57:02,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:02,428 INFO L93 Difference]: Finished difference Result 294 states and 308 transitions. [2018-02-04 03:57:02,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:57:02,428 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 66 [2018-02-04 03:57:02,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:02,429 INFO L225 Difference]: With dead ends: 294 [2018-02-04 03:57:02,429 INFO L226 Difference]: Without dead ends: 294 [2018-02-04 03:57:02,430 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=507, Invalid=2355, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:57:02,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-02-04 03:57:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 237. [2018-02-04 03:57:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:57:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 251 transitions. [2018-02-04 03:57:02,432 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 251 transitions. Word has length 66 [2018-02-04 03:57:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:02,432 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 251 transitions. [2018-02-04 03:57:02,432 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 251 transitions. [2018-02-04 03:57:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 03:57:02,433 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:02,433 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:02,433 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:02,433 INFO L82 PathProgramCache]: Analyzing trace with hash -542162835, now seen corresponding path program 2 times [2018-02-04 03:57:02,434 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:02,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:57:02,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:02,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:57:02,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:02,655 INFO L182 omatonBuilderFactory]: Interpolants [23749#true, 23750#false, 23751#(= (select |#valid| main_~head~0.base) 1), 23752#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23753#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 23754#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23755#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23756#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23757#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 23758#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23759#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 23760#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23761#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23762#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 23763#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 23764#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 23765#(= 0 |main_#t~mem22.offset|)] [2018-02-04 03:57:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:57:02,655 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:57:02,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:57:02,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:57:02,655 INFO L87 Difference]: Start difference. First operand 237 states and 251 transitions. Second operand 17 states. [2018-02-04 03:57:03,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:03,122 INFO L93 Difference]: Finished difference Result 278 states and 290 transitions. [2018-02-04 03:57:03,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:57:03,122 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2018-02-04 03:57:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:03,122 INFO L225 Difference]: With dead ends: 278 [2018-02-04 03:57:03,122 INFO L226 Difference]: Without dead ends: 278 [2018-02-04 03:57:03,123 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:57:03,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-02-04 03:57:03,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 243. [2018-02-04 03:57:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 03:57:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 257 transitions. [2018-02-04 03:57:03,124 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 257 transitions. Word has length 67 [2018-02-04 03:57:03,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:03,125 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 257 transitions. [2018-02-04 03:57:03,125 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:57:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 257 transitions. [2018-02-04 03:57:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 03:57:03,125 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:03,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:03,125 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1578975653, now seen corresponding path program 1 times [2018-02-04 03:57:03,126 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:03,132 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:03,284 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:03,284 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:57:03,284 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:03,285 INFO L182 omatonBuilderFactory]: Interpolants [24320#false, 24321#(= 1 (select |#valid| main_~head~0.base)), 24322#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24323#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 24324#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24325#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24326#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24327#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 24328#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24329#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24330#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 24331#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 24332#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 24333#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 24334#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 24335#(= 0 |main_#t~mem20.offset|), 24336#(= 0 main_~x~0.offset), 24337#(= main_~head~0.offset 0), 24319#true] [2018-02-04 03:57:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:03,285 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:57:03,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:57:03,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:57:03,286 INFO L87 Difference]: Start difference. First operand 243 states and 257 transitions. Second operand 19 states. [2018-02-04 03:57:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:03,835 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2018-02-04 03:57:03,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:57:03,835 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 68 [2018-02-04 03:57:03,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:03,836 INFO L225 Difference]: With dead ends: 264 [2018-02-04 03:57:03,836 INFO L226 Difference]: Without dead ends: 264 [2018-02-04 03:57:03,836 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:57:03,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-02-04 03:57:03,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 242. [2018-02-04 03:57:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-02-04 03:57:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 256 transitions. [2018-02-04 03:57:03,838 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 256 transitions. Word has length 68 [2018-02-04 03:57:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:03,838 INFO L432 AbstractCegarLoop]: Abstraction has 242 states and 256 transitions. [2018-02-04 03:57:03,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:57:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 256 transitions. [2018-02-04 03:57:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:57:03,839 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:03,839 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:03,839 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:03,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1327435569, now seen corresponding path program 2 times [2018-02-04 03:57:03,840 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:03,851 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:57:04,024 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:04,024 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:57:04,024 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:04,025 INFO L182 omatonBuilderFactory]: Interpolants [24874#true, 24875#false, 24876#(= 1 (select |#valid| main_~head~0.base)), 24877#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 24878#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 24879#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24880#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24881#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 24882#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 24883#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 24884#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|))), 24885#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 24886#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24887#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24888#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 24889#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 24890#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24891#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 24892#(= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base)), 24893#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:57:04,025 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:57:04,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:57:04,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:57:04,025 INFO L87 Difference]: Start difference. First operand 242 states and 256 transitions. Second operand 20 states. [2018-02-04 03:57:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:04,592 INFO L93 Difference]: Finished difference Result 279 states and 291 transitions. [2018-02-04 03:57:04,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:57:04,593 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 69 [2018-02-04 03:57:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:04,593 INFO L225 Difference]: With dead ends: 279 [2018-02-04 03:57:04,593 INFO L226 Difference]: Without dead ends: 279 [2018-02-04 03:57:04,593 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=336, Invalid=1224, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:57:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-02-04 03:57:04,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 244. [2018-02-04 03:57:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-02-04 03:57:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 258 transitions. [2018-02-04 03:57:04,595 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 258 transitions. Word has length 69 [2018-02-04 03:57:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:04,595 INFO L432 AbstractCegarLoop]: Abstraction has 244 states and 258 transitions. [2018-02-04 03:57:04,595 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:57:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 258 transitions. [2018-02-04 03:57:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:57:04,596 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:04,596 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:04,596 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:04,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1272142467, now seen corresponding path program 2 times [2018-02-04 03:57:04,596 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:04,601 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:05,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:05,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:57:05,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:05,051 INFO L182 omatonBuilderFactory]: Interpolants [25472#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25473#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 25474#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 25475#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 25476#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base))), 25477#(and (not (= 0 main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 25478#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base))), 25479#(and (not (= |main_#t~mem20.base| 0)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 25480#(and (not (= main_~x~0.base 0)) (or (not (= main_~x~0.offset 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~head~0.base))), 25481#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base 0))), 25482#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.offset 0)))), 25483#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= main_~head~0.offset 0)))), 25484#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= main_~head~0.offset 0)))), 25485#(= 1 (select |#valid| main_~x~0.base)), 25457#true, 25458#false, 25459#(not (= 0 |main_#t~malloc0.base|)), 25460#(not (= 0 main_~head~0.base)), 25461#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 25462#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25463#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25464#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25465#(and (= |main_#t~mem6.offset| 0) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 25466#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 25467#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 25468#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base))), 25469#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25470#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 25471#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))] [2018-02-04 03:57:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:05,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:57:05,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:57:05,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=710, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:57:05,051 INFO L87 Difference]: Start difference. First operand 244 states and 258 transitions. Second operand 29 states. [2018-02-04 03:57:06,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:06,436 INFO L93 Difference]: Finished difference Result 292 states and 304 transitions. [2018-02-04 03:57:06,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:57:06,436 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 70 [2018-02-04 03:57:06,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:06,437 INFO L225 Difference]: With dead ends: 292 [2018-02-04 03:57:06,437 INFO L226 Difference]: Without dead ends: 292 [2018-02-04 03:57:06,437 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=598, Invalid=2942, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:57:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-02-04 03:57:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 249. [2018-02-04 03:57:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-02-04 03:57:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 264 transitions. [2018-02-04 03:57:06,439 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 264 transitions. Word has length 70 [2018-02-04 03:57:06,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:06,439 INFO L432 AbstractCegarLoop]: Abstraction has 249 states and 264 transitions. [2018-02-04 03:57:06,439 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:57:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 264 transitions. [2018-02-04 03:57:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:57:06,439 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:06,439 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:06,439 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:06,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1272142466, now seen corresponding path program 2 times [2018-02-04 03:57:06,440 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:06,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:06,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:06,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:57:06,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:06,806 INFO L182 omatonBuilderFactory]: Interpolants [26112#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (not (= main_~x~0.offset 0)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 26113#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0)))), 26114#(and (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|)) (or (<= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0)))), 26115#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (or (<= 0 main_~x~0.offset) (not (= main_~head~0.offset 0)))), 26116#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 26089#true, 26090#false, 26091#(= 1 (select |#valid| main_~head~0.base)), 26092#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26093#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 26094#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26095#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 26096#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 26097#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 26098#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)), 26099#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 26100#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 26101#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 26102#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 26103#(and (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26104#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (or (not (= 0 |main_#t~mem14|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 26105#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 26106#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 26107#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 |main_#t~mem17.offset|)) (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.base|)), 26108#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset 0))), 26109#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (or (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 26110#(and (or (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 26111#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (or (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= |main_#t~mem20.offset| 0))))] [2018-02-04 03:57:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:06,806 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:57:06,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:57:06,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:57:06,807 INFO L87 Difference]: Start difference. First operand 249 states and 264 transitions. Second operand 28 states. [2018-02-04 03:57:07,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:07,878 INFO L93 Difference]: Finished difference Result 280 states and 289 transitions. [2018-02-04 03:57:07,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:57:07,879 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 70 [2018-02-04 03:57:07,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:07,879 INFO L225 Difference]: With dead ends: 280 [2018-02-04 03:57:07,879 INFO L226 Difference]: Without dead ends: 280 [2018-02-04 03:57:07,880 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=276, Invalid=2376, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:57:07,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-02-04 03:57:07,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 256. [2018-02-04 03:57:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 03:57:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 271 transitions. [2018-02-04 03:57:07,881 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 271 transitions. Word has length 70 [2018-02-04 03:57:07,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:07,882 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 271 transitions. [2018-02-04 03:57:07,882 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:57:07,882 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 271 transitions. [2018-02-04 03:57:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:57:07,882 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:07,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:07,882 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:07,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2091544837, now seen corresponding path program 1 times [2018-02-04 03:57:07,883 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:07,891 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:08,140 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:08,140 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:57:08,140 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:08,141 INFO L182 omatonBuilderFactory]: Interpolants [26720#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)), 26721#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 26722#(= 0 |main_#t~mem22.offset|), 26701#true, 26702#false, 26703#(= 1 (select |#valid| main_~head~0.base)), 26704#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26705#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 26706#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26707#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 26708#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 26709#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 26710#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 26711#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26712#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 26713#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26714#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 26715#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 26716#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 26717#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26718#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26719#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:57:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:08,141 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:57:08,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:57:08,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:57:08,141 INFO L87 Difference]: Start difference. First operand 256 states and 271 transitions. Second operand 22 states. [2018-02-04 03:57:08,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:08,767 INFO L93 Difference]: Finished difference Result 268 states and 278 transitions. [2018-02-04 03:57:08,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:57:08,768 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 71 [2018-02-04 03:57:08,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:08,768 INFO L225 Difference]: With dead ends: 268 [2018-02-04 03:57:08,768 INFO L226 Difference]: Without dead ends: 268 [2018-02-04 03:57:08,768 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=1267, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:57:08,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-02-04 03:57:08,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 256. [2018-02-04 03:57:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 03:57:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 270 transitions. [2018-02-04 03:57:08,770 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 270 transitions. Word has length 71 [2018-02-04 03:57:08,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:08,770 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 270 transitions. [2018-02-04 03:57:08,770 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:57:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 270 transitions. [2018-02-04 03:57:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:57:08,771 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:08,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:08,771 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:08,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2091544838, now seen corresponding path program 1 times [2018-02-04 03:57:08,772 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:08,780 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:09,222 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:09,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:57:09,222 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:09,222 INFO L182 omatonBuilderFactory]: Interpolants [27281#true, 27282#false, 27283#(not (= 0 |main_#t~malloc0.base|)), 27284#(not (= 0 main_~head~0.base)), 27285#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 27286#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 27287#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 27288#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 27289#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 27290#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 27291#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 27292#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 27293#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27294#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 27295#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 27296#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 27297#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 27298#(or (not (= 0 |main_#t~mem14|)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 27299#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 27300#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27301#(and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.base|) (not (= 0 main_~head~0.base))), 27302#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27303#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 27304#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 27305#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 27306#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))), 27307#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 27308#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 27309#(= (select |#valid| |main_#t~mem22.base|) 1)] [2018-02-04 03:57:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:09,222 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:57:09,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:57:09,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:57:09,223 INFO L87 Difference]: Start difference. First operand 256 states and 270 transitions. Second operand 29 states. [2018-02-04 03:57:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:10,168 INFO L93 Difference]: Finished difference Result 289 states and 299 transitions. [2018-02-04 03:57:10,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:57:10,168 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 71 [2018-02-04 03:57:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:10,169 INFO L225 Difference]: With dead ends: 289 [2018-02-04 03:57:10,169 INFO L226 Difference]: Without dead ends: 289 [2018-02-04 03:57:10,169 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=424, Invalid=2546, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:57:10,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-02-04 03:57:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 256. [2018-02-04 03:57:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 03:57:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 269 transitions. [2018-02-04 03:57:10,171 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 269 transitions. Word has length 71 [2018-02-04 03:57:10,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:10,171 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 269 transitions. [2018-02-04 03:57:10,171 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:57:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 269 transitions. [2018-02-04 03:57:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:57:10,171 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:10,171 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:10,171 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:10,172 INFO L82 PathProgramCache]: Analyzing trace with hash -60289681, now seen corresponding path program 2 times [2018-02-04 03:57:10,172 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:10,181 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:10,609 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:10,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:57:10,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:10,610 INFO L182 omatonBuilderFactory]: Interpolants [27907#true, 27908#false, 27909#(= 0 |main_#t~malloc0.offset|), 27910#(= main_~head~0.offset 0), 27911#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 27912#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 27913#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 27914#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= |main_#t~malloc4.base| main_~x~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 27915#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 27916#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 27917#(and (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 27918#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 27919#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 27920#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset 0)), 27921#(and (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 27922#(and (= 0 |main_#t~malloc9.offset|) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 27923#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 27924#(and (= |main_#t~mem11.offset| 0) (or (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) main_~head~0.base) (+ main_~head~0.offset 4))) (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0)), 27925#(and (or (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 2) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 27926#(and (or (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 2) (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 27927#(and (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) (select |#valid| main_~x~0.base)))) (= main_~head~0.offset 0)), 27928#(and (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 1)) (= main_~head~0.offset 0)), 27929#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)), 27930#(not (= |main_#t~mem19| 1))] [2018-02-04 03:57:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:10,610 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:57:10,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:57:10,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:57:10,610 INFO L87 Difference]: Start difference. First operand 256 states and 269 transitions. Second operand 24 states. [2018-02-04 03:57:11,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:11,125 INFO L93 Difference]: Finished difference Result 248 states and 258 transitions. [2018-02-04 03:57:11,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:57:11,142 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 71 [2018-02-04 03:57:11,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:11,143 INFO L225 Difference]: With dead ends: 248 [2018-02-04 03:57:11,143 INFO L226 Difference]: Without dead ends: 234 [2018-02-04 03:57:11,143 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=451, Invalid=1441, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:57:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-02-04 03:57:11,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 228. [2018-02-04 03:57:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:57:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 237 transitions. [2018-02-04 03:57:11,145 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 237 transitions. Word has length 71 [2018-02-04 03:57:11,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:11,145 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 237 transitions. [2018-02-04 03:57:11,145 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:57:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 237 transitions. [2018-02-04 03:57:11,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:57:11,145 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:11,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:11,145 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:11,145 INFO L82 PathProgramCache]: Analyzing trace with hash -70100121, now seen corresponding path program 1 times [2018-02-04 03:57:11,146 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:11,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:11,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:11,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:57:11,386 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:11,387 INFO L182 omatonBuilderFactory]: Interpolants [28448#false, 28449#(= 1 (select |#valid| main_~head~0.base)), 28450#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28451#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 28452#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 28453#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 28454#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 28455#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 28456#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 28457#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 28458#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 28459#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28460#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 28461#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 28462#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 28463#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 28464#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28465#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 28466#(not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 28467#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 28468#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 28469#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 28470#(= 1 (select |#valid| main_~x~0.base)), 28447#true] [2018-02-04 03:57:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:11,387 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:57:11,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:57:11,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:57:11,387 INFO L87 Difference]: Start difference. First operand 228 states and 237 transitions. Second operand 24 states. [2018-02-04 03:57:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:12,017 INFO L93 Difference]: Finished difference Result 237 states and 244 transitions. [2018-02-04 03:57:12,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:57:12,017 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 73 [2018-02-04 03:57:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:12,017 INFO L225 Difference]: With dead ends: 237 [2018-02-04 03:57:12,017 INFO L226 Difference]: Without dead ends: 237 [2018-02-04 03:57:12,018 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=313, Invalid=1667, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:57:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-02-04 03:57:12,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 228. [2018-02-04 03:57:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:57:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 236 transitions. [2018-02-04 03:57:12,019 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 236 transitions. Word has length 73 [2018-02-04 03:57:12,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:12,019 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 236 transitions. [2018-02-04 03:57:12,019 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:57:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 236 transitions. [2018-02-04 03:57:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:57:12,020 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:12,020 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:12,020 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:12,020 INFO L82 PathProgramCache]: Analyzing trace with hash -162072200, now seen corresponding path program 4 times [2018-02-04 03:57:12,020 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:12,026 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:12,415 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:12,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:57:12,416 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:12,416 INFO L182 omatonBuilderFactory]: Interpolants [28992#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 28993#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28994#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 28995#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28996#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 28997#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 28998#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 28999#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 29000#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 29001#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 29002#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 29003#(= 1 (select |#valid| |main_#t~mem17.base|)), 29004#(= 1 (select |#valid| main_~x~0.base)), 28978#true, 28979#false, 28980#(= 1 (select |#valid| main_~head~0.base)), 28981#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28982#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 28983#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 28984#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 28985#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 28986#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 28987#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 28988#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 28989#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28990#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28991#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:57:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:12,416 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:12,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:12,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:12,416 INFO L87 Difference]: Start difference. First operand 228 states and 236 transitions. Second operand 27 states. [2018-02-04 03:57:13,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:13,631 INFO L93 Difference]: Finished difference Result 290 states and 300 transitions. [2018-02-04 03:57:13,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:57:13,632 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 03:57:13,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:13,632 INFO L225 Difference]: With dead ends: 290 [2018-02-04 03:57:13,632 INFO L226 Difference]: Without dead ends: 290 [2018-02-04 03:57:13,633 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=354, Invalid=2298, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:57:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-02-04 03:57:13,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 245. [2018-02-04 03:57:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 03:57:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 255 transitions. [2018-02-04 03:57:13,634 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 255 transitions. Word has length 73 [2018-02-04 03:57:13,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:13,634 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 255 transitions. [2018-02-04 03:57:13,634 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 255 transitions. [2018-02-04 03:57:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:57:13,635 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:13,635 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:13,635 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:13,635 INFO L82 PathProgramCache]: Analyzing trace with hash -162072199, now seen corresponding path program 3 times [2018-02-04 03:57:13,635 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:13,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:14,073 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:14,073 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:57:14,073 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:14,074 INFO L182 omatonBuilderFactory]: Interpolants [29590#true, 29591#false, 29592#(= 1 (select |#valid| main_~head~0.base)), 29593#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 29594#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 29595#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 29596#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 29597#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 29598#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 29599#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 29600#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 29601#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 29602#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 29603#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 29604#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 29605#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 29606#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 29607#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 29608#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 29609#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 29610#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 29611#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 29612#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 29613#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 29614#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 29615#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 29616#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:57:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:14,074 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:14,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:14,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:14,074 INFO L87 Difference]: Start difference. First operand 245 states and 255 transitions. Second operand 27 states. [2018-02-04 03:57:15,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:15,426 INFO L93 Difference]: Finished difference Result 314 states and 324 transitions. [2018-02-04 03:57:15,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:57:15,426 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 03:57:15,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:15,427 INFO L225 Difference]: With dead ends: 314 [2018-02-04 03:57:15,427 INFO L226 Difference]: Without dead ends: 314 [2018-02-04 03:57:15,427 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=1938, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:57:15,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-02-04 03:57:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 237. [2018-02-04 03:57:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:57:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 246 transitions. [2018-02-04 03:57:15,429 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 246 transitions. Word has length 73 [2018-02-04 03:57:15,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:15,429 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 246 transitions. [2018-02-04 03:57:15,429 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2018-02-04 03:57:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:57:15,430 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:15,430 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:15,430 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:15,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1715197243, now seen corresponding path program 7 times [2018-02-04 03:57:15,430 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:15,436 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:15,809 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:15,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:57:15,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:15,809 INFO L182 omatonBuilderFactory]: Interpolants [30208#true, 30209#false, 30210#(= 1 (select |#valid| main_~head~0.base)), 30211#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30212#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 30213#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30214#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 30215#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30216#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30217#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 30218#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 30219#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30220#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30221#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30222#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 30223#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30224#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 30225#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 30226#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 30227#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 30228#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 30229#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 30230#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 30231#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 30232#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 30233#(= 1 (select |#valid| |main_#t~mem15.base|)), 30234#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:15,810 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:15,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:15,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:15,810 INFO L87 Difference]: Start difference. First operand 237 states and 246 transitions. Second operand 27 states. [2018-02-04 03:57:16,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:16,994 INFO L93 Difference]: Finished difference Result 290 states and 300 transitions. [2018-02-04 03:57:16,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:57:16,994 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 03:57:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:16,995 INFO L225 Difference]: With dead ends: 290 [2018-02-04 03:57:16,995 INFO L226 Difference]: Without dead ends: 290 [2018-02-04 03:57:16,995 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=316, Invalid=2036, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:57:16,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-02-04 03:57:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 245. [2018-02-04 03:57:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 03:57:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 255 transitions. [2018-02-04 03:57:16,998 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 255 transitions. Word has length 73 [2018-02-04 03:57:16,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:16,998 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 255 transitions. [2018-02-04 03:57:16,998 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 255 transitions. [2018-02-04 03:57:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:57:16,999 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:16,999 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:16,999 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:16,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1715197244, now seen corresponding path program 6 times [2018-02-04 03:57:17,000 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:17,006 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:17,510 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:17,510 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:57:17,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:17,510 INFO L182 omatonBuilderFactory]: Interpolants [30814#true, 30815#false, 30816#(= 1 (select |#valid| main_~head~0.base)), 30817#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30818#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 30819#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30820#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 30821#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30822#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30823#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 30824#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 30825#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30826#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30827#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 30828#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 30829#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 30830#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 30831#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 30832#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 30833#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 30834#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 30835#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 30836#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 30837#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 30838#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 30839#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 30840#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:57:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:17,510 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:17,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:17,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:17,511 INFO L87 Difference]: Start difference. First operand 245 states and 255 transitions. Second operand 27 states. [2018-02-04 03:57:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:18,946 INFO L93 Difference]: Finished difference Result 324 states and 335 transitions. [2018-02-04 03:57:18,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:57:18,947 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 03:57:18,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:18,947 INFO L225 Difference]: With dead ends: 324 [2018-02-04 03:57:18,947 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 03:57:18,948 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=1938, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:57:18,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 03:57:18,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 237. [2018-02-04 03:57:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:57:18,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 246 transitions. [2018-02-04 03:57:18,949 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 246 transitions. Word has length 73 [2018-02-04 03:57:18,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:18,949 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 246 transitions. [2018-02-04 03:57:18,949 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2018-02-04 03:57:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:57:18,950 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:18,950 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:18,950 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:18,950 INFO L82 PathProgramCache]: Analyzing trace with hash -629470913, now seen corresponding path program 2 times [2018-02-04 03:57:18,950 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:18,956 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:19,207 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:19,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:57:19,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:19,207 INFO L182 omatonBuilderFactory]: Interpolants [31442#true, 31443#false, 31444#(= 1 (select |#valid| main_~head~0.base)), 31445#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 31446#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 31447#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 31448#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 31449#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 31450#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 31451#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)), 31452#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 31453#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 31454#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 31455#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 31456#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 31457#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 31458#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 31459#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 31460#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 31461#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)), 31462#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 31463#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 31464#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 31465#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 31466#(= 0 main_~x~0.offset), 31467#(= main_~head~0.offset 0)] [2018-02-04 03:57:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:19,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:57:19,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:57:19,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:57:19,208 INFO L87 Difference]: Start difference. First operand 237 states and 246 transitions. Second operand 26 states. [2018-02-04 03:57:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:19,852 INFO L93 Difference]: Finished difference Result 254 states and 262 transitions. [2018-02-04 03:57:19,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:57:19,852 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 74 [2018-02-04 03:57:19,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:19,852 INFO L225 Difference]: With dead ends: 254 [2018-02-04 03:57:19,852 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 03:57:19,853 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=1723, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:57:19,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 03:57:19,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 239. [2018-02-04 03:57:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 03:57:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 251 transitions. [2018-02-04 03:57:19,854 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 251 transitions. Word has length 74 [2018-02-04 03:57:19,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:19,854 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 251 transitions. [2018-02-04 03:57:19,854 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:57:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 251 transitions. [2018-02-04 03:57:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:19,855 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:19,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:19,855 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:19,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1353265671, now seen corresponding path program 1 times [2018-02-04 03:57:19,855 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:19,862 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:21,136 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:21,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:57:21,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:21,136 INFO L182 omatonBuilderFactory]: Interpolants [32000#false, 32001#(= |#valid| |old(#valid)|), 32002#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 32003#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 32004#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 32005#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 32006#(and (= main_~x~0.offset main_~head~0.offset) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (not (= |main_#t~malloc4.base| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 32007#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|)), 32008#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 32009#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32010#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32011#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= |old(#valid)| (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |main_#t~malloc9.base| 0)) (not (= 0 main_~head~0.base)) (not (= |main_#t~malloc9.base| 0))), 32012#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32013#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32014#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32015#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 32016#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 32017#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 32018#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32019#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32020#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0))), 32021#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= |old(#valid)| (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0))), 32022#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~head~0.base |main_#t~mem20.base|)) (= (store (store (store |#valid| main_~head~0.base 0) |main_#t~mem20.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0) |old(#valid)|) (not (= |main_#t~mem20.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0)) (not (= 0 main_~head~0.base)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 32023#(and (= (store (store (store |#valid| main_~head~0.base 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32024#(and (not (= main_~x~0.base 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 32025#(and (not (= |main_#t~mem22.base| main_~x~0.base)) (not (= |main_#t~mem22.base| 0)) (not (= main_~x~0.base 0)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base 0) |old(#valid)|)), 32026#(and (not (= main_~x~0.base 0)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 31999#true] [2018-02-04 03:57:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:21,137 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:57:21,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:57:21,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:57:21,137 INFO L87 Difference]: Start difference. First operand 239 states and 251 transitions. Second operand 28 states. [2018-02-04 03:57:22,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:22,517 INFO L93 Difference]: Finished difference Result 241 states and 252 transitions. [2018-02-04 03:57:22,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:57:22,518 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 03:57:22,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:22,518 INFO L225 Difference]: With dead ends: 241 [2018-02-04 03:57:22,518 INFO L226 Difference]: Without dead ends: 231 [2018-02-04 03:57:22,519 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=199, Invalid=1781, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:57:22,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-02-04 03:57:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-02-04 03:57:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:57:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 242 transitions. [2018-02-04 03:57:22,520 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 242 transitions. Word has length 75 [2018-02-04 03:57:22,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:22,521 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 242 transitions. [2018-02-04 03:57:22,521 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:57:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2018-02-04 03:57:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:22,521 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:22,521 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:22,521 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:22,521 INFO L82 PathProgramCache]: Analyzing trace with hash 777993952, now seen corresponding path program 3 times [2018-02-04 03:57:22,522 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:22,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:57:22,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:22,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:57:22,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:22,818 INFO L182 omatonBuilderFactory]: Interpolants [32533#true, 32534#false, 32535#(not (= 0 |main_#t~malloc0.base|)), 32536#(not (= 0 main_~head~0.base)), 32537#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 32538#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 32539#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 32540#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 32541#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= 0 main_~head~0.base))), 32542#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32543#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 32544#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32545#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 32546#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base))), 32547#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 32548#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 32549#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 32550#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 32551#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 32552#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 32553#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 32554#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 32555#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 32556#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 32557#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 32558#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 32559#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 32560#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 32561#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:57:22,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:57:22,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:57:22,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:57:22,819 INFO L87 Difference]: Start difference. First operand 231 states and 242 transitions. Second operand 29 states. [2018-02-04 03:57:24,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:24,153 INFO L93 Difference]: Finished difference Result 282 states and 294 transitions. [2018-02-04 03:57:24,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:57:24,153 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 75 [2018-02-04 03:57:24,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:24,154 INFO L225 Difference]: With dead ends: 282 [2018-02-04 03:57:24,154 INFO L226 Difference]: Without dead ends: 282 [2018-02-04 03:57:24,154 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=829, Invalid=3077, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:57:24,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-02-04 03:57:24,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 236. [2018-02-04 03:57:24,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-02-04 03:57:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 248 transitions. [2018-02-04 03:57:24,156 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 248 transitions. Word has length 75 [2018-02-04 03:57:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:24,156 INFO L432 AbstractCegarLoop]: Abstraction has 236 states and 248 transitions. [2018-02-04 03:57:24,156 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:57:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 248 transitions. [2018-02-04 03:57:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:24,157 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:24,157 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:24,157 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:24,157 INFO L82 PathProgramCache]: Analyzing trace with hash 777993953, now seen corresponding path program 3 times [2018-02-04 03:57:24,157 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:24,162 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:57:24,234 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:24,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:57:24,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:24,235 INFO L182 omatonBuilderFactory]: Interpolants [33152#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 33153#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base))), 33154#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33155#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 33156#(and (<= 0 |main_#t~mem20.offset|) (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|))), 33157#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 33148#true, 33149#false, 33150#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 33151#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:57:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:57:24,235 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:57:24,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:57:24,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:57:24,235 INFO L87 Difference]: Start difference. First operand 236 states and 248 transitions. Second operand 10 states. [2018-02-04 03:57:24,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:24,454 INFO L93 Difference]: Finished difference Result 281 states and 293 transitions. [2018-02-04 03:57:24,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:57:24,454 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2018-02-04 03:57:24,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:24,455 INFO L225 Difference]: With dead ends: 281 [2018-02-04 03:57:24,455 INFO L226 Difference]: Without dead ends: 281 [2018-02-04 03:57:24,455 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:57:24,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-02-04 03:57:24,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2018-02-04 03:57:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 03:57:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 255 transitions. [2018-02-04 03:57:24,457 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 255 transitions. Word has length 75 [2018-02-04 03:57:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:24,457 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 255 transitions. [2018-02-04 03:57:24,457 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:57:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 255 transitions. [2018-02-04 03:57:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:24,458 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:24,458 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:24,458 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:24,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1310130996, now seen corresponding path program 5 times [2018-02-04 03:57:24,458 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:24,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:24,893 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:24,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:57:24,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:24,894 INFO L182 omatonBuilderFactory]: Interpolants [33694#true, 33695#false, 33696#(= 1 (select |#valid| main_~head~0.base)), 33697#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 33698#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 33699#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 33700#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 33701#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 33702#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 33703#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 33704#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 33705#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 33706#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33707#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 33708#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 33709#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33710#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33711#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 33712#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33713#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33714#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 33715#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 33716#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 33717#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 33718#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 33719#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 33720#(= 1 (select |#valid| |main_#t~mem17.base|)), 33721#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:24,894 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:57:24,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:57:24,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:57:24,895 INFO L87 Difference]: Start difference. First operand 243 states and 255 transitions. Second operand 28 states. [2018-02-04 03:57:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:26,528 INFO L93 Difference]: Finished difference Result 356 states and 372 transitions. [2018-02-04 03:57:26,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 03:57:26,528 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 03:57:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:26,529 INFO L225 Difference]: With dead ends: 356 [2018-02-04 03:57:26,529 INFO L226 Difference]: Without dead ends: 356 [2018-02-04 03:57:26,529 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=606, Invalid=3816, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:57:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-02-04 03:57:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 283. [2018-02-04 03:57:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 03:57:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 298 transitions. [2018-02-04 03:57:26,531 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 298 transitions. Word has length 75 [2018-02-04 03:57:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:26,531 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 298 transitions. [2018-02-04 03:57:26,531 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:57:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 298 transitions. [2018-02-04 03:57:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:26,531 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:26,531 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:26,531 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:26,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1310130997, now seen corresponding path program 4 times [2018-02-04 03:57:26,532 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:26,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:27,274 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:27,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:57:27,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:27,275 INFO L182 omatonBuilderFactory]: Interpolants [34439#true, 34440#false, 34441#(= 1 (select |#valid| main_~head~0.base)), 34442#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 34443#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 34444#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 34445#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 34446#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34447#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34448#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 34449#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 34450#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|))), 34451#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34452#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34453#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 34454#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 34455#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34456#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34457#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34458#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 34459#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 34460#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 34461#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34462#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 34463#(and (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 34464#(and (or (not (= 0 |main_#t~mem14|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem14|)))), 34465#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 34466#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 34467#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 34468#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 03:57:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:27,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:57:27,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:57:27,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:57:27,275 INFO L87 Difference]: Start difference. First operand 283 states and 298 transitions. Second operand 30 states. [2018-02-04 03:57:29,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:29,337 INFO L93 Difference]: Finished difference Result 376 states and 392 transitions. [2018-02-04 03:57:29,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:57:29,337 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 03:57:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:29,338 INFO L225 Difference]: With dead ends: 376 [2018-02-04 03:57:29,338 INFO L226 Difference]: Without dead ends: 376 [2018-02-04 03:57:29,338 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=490, Invalid=3670, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:57:29,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-02-04 03:57:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 275. [2018-02-04 03:57:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-02-04 03:57:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 289 transitions. [2018-02-04 03:57:29,340 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 289 transitions. Word has length 75 [2018-02-04 03:57:29,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:29,340 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 289 transitions. [2018-02-04 03:57:29,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:57:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 289 transitions. [2018-02-04 03:57:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:29,340 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:29,341 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:57:29,341 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:29,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1107566857, now seen corresponding path program 8 times [2018-02-04 03:57:29,341 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:29,351 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:29,763 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:29,763 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:57:29,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:29,764 INFO L182 omatonBuilderFactory]: Interpolants [35200#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 35201#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 35202#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35203#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 35204#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 35205#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35206#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35207#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 35208#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35209#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35210#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35211#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 35212#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 35213#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 35214#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 35215#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 35216#(= 1 (select |#valid| |main_#t~mem15.base|)), 35217#(= 1 (select |#valid| main_~x~0.base)), 35190#true, 35191#false, 35192#(= 1 (select |#valid| main_~head~0.base)), 35193#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35194#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 35195#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 35196#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 35197#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35198#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35199#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))] [2018-02-04 03:57:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:29,764 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:57:29,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:57:29,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:57:29,764 INFO L87 Difference]: Start difference. First operand 275 states and 289 transitions. Second operand 28 states. [2018-02-04 03:57:31,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:31,446 INFO L93 Difference]: Finished difference Result 348 states and 364 transitions. [2018-02-04 03:57:31,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:57:31,446 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 03:57:31,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:31,447 INFO L225 Difference]: With dead ends: 348 [2018-02-04 03:57:31,447 INFO L226 Difference]: Without dead ends: 348 [2018-02-04 03:57:31,447 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=596, Invalid=3694, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:57:31,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-02-04 03:57:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 283. [2018-02-04 03:57:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 03:57:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 298 transitions. [2018-02-04 03:57:31,449 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 298 transitions. Word has length 75 [2018-02-04 03:57:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:31,449 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 298 transitions. [2018-02-04 03:57:31,449 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:57:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 298 transitions. [2018-02-04 03:57:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:57:31,450 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:31,450 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 03:57:31,450 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:31,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1107566856, now seen corresponding path program 7 times [2018-02-04 03:57:31,451 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:31,461 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:32,067 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:32,067 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:57:32,067 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:32,068 INFO L182 omatonBuilderFactory]: Interpolants [35925#true, 35926#false, 35927#(= 1 (select |#valid| main_~head~0.base)), 35928#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35929#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 35930#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 35931#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 35932#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35933#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35934#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 35935#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 35936#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|))), 35937#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35938#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35939#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 35940#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 35941#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35942#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35943#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35944#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 35945#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35946#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 35947#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35948#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 35949#(and (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 35950#(and (or (not (= 0 |main_#t~mem14|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem14|)))), 35951#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 35952#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35953#(and (<= 8 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 35954#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 03:57:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:32,068 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:57:32,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:57:32,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:57:32,068 INFO L87 Difference]: Start difference. First operand 283 states and 298 transitions. Second operand 30 states. [2018-02-04 03:57:34,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:34,255 INFO L93 Difference]: Finished difference Result 378 states and 395 transitions. [2018-02-04 03:57:34,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:57:34,255 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 03:57:34,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:34,256 INFO L225 Difference]: With dead ends: 378 [2018-02-04 03:57:34,256 INFO L226 Difference]: Without dead ends: 378 [2018-02-04 03:57:34,256 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=490, Invalid=3670, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:57:34,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-02-04 03:57:34,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 266. [2018-02-04 03:57:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-04 03:57:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 279 transitions. [2018-02-04 03:57:34,258 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 279 transitions. Word has length 75 [2018-02-04 03:57:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:34,258 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 279 transitions. [2018-02-04 03:57:34,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:57:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 279 transitions. [2018-02-04 03:57:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:57:34,259 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:34,259 INFO L351 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:34,259 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash 668845921, now seen corresponding path program 4 times [2018-02-04 03:57:34,259 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:34,265 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:57:34,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:34,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:57:34,425 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:34,426 INFO L182 omatonBuilderFactory]: Interpolants [36672#(= main_~head~0.offset 0), 36673#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 36674#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= main_~head~0.offset 0) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 36675#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= main_~x~0.offset 0))), 36676#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) |main_#t~mem13|)) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= main_~x~0.offset 0))), 36677#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= main_~x~0.offset 0))), 36678#(and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (= main_~head~0.offset 0)), 36679#(or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))), 36680#(or (= 1 (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 4))) (not (= |main_#t~mem20.offset| 0))), 36681#(or (not (= main_~x~0.offset 0)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 36682#(or (not (= main_~x~0.offset 0)) (and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= |main_#t~mem19| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 36683#(or (<= (+ main_~x~0.offset 1) 0) (not (= main_~head~0.offset 0))), 36684#(not (= main_~head~0.offset 0)), 36669#true, 36670#false, 36671#(= 0 |main_#t~malloc0.offset|)] [2018-02-04 03:57:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:57:34,426 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:57:34,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:57:34,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:57:34,426 INFO L87 Difference]: Start difference. First operand 266 states and 279 transitions. Second operand 16 states. [2018-02-04 03:57:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:34,743 INFO L93 Difference]: Finished difference Result 330 states and 340 transitions. [2018-02-04 03:57:34,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:57:34,744 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 76 [2018-02-04 03:57:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:34,744 INFO L225 Difference]: With dead ends: 330 [2018-02-04 03:57:34,744 INFO L226 Difference]: Without dead ends: 286 [2018-02-04 03:57:34,744 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:57:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-02-04 03:57:34,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 257. [2018-02-04 03:57:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 03:57:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 270 transitions. [2018-02-04 03:57:34,746 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 270 transitions. Word has length 76 [2018-02-04 03:57:34,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:34,747 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 270 transitions. [2018-02-04 03:57:34,747 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:57:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 270 transitions. [2018-02-04 03:57:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:57:34,747 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:34,747 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:34,747 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:34,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1563179298, now seen corresponding path program 3 times [2018-02-04 03:57:34,748 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:34,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:57:34,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:34,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:57:34,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:34,960 INFO L182 omatonBuilderFactory]: Interpolants [37312#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 37313#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37314#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37315#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 37316#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 37317#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 37318#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 37319#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 37320#(= 0 |main_#t~mem20.offset|), 37321#(= 0 main_~x~0.offset), 37322#(= main_~head~0.offset 0), 37302#true, 37303#false, 37304#(= 1 (select |#valid| main_~head~0.base)), 37305#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 37306#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 37307#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 37308#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37309#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37310#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 37311#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:57:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:57:34,960 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:57:34,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:57:34,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:57:34,960 INFO L87 Difference]: Start difference. First operand 257 states and 270 transitions. Second operand 21 states. [2018-02-04 03:57:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:35,475 INFO L93 Difference]: Finished difference Result 268 states and 279 transitions. [2018-02-04 03:57:35,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:57:35,476 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2018-02-04 03:57:35,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:35,476 INFO L225 Difference]: With dead ends: 268 [2018-02-04 03:57:35,476 INFO L226 Difference]: Without dead ends: 265 [2018-02-04 03:57:35,476 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=1156, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:57:35,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-02-04 03:57:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 259. [2018-02-04 03:57:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 03:57:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 274 transitions. [2018-02-04 03:57:35,478 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 274 transitions. Word has length 79 [2018-02-04 03:57:35,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:35,478 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 274 transitions. [2018-02-04 03:57:35,478 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:57:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 274 transitions. [2018-02-04 03:57:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:57:35,479 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:35,479 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:35,479 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:35,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1217473758, now seen corresponding path program 2 times [2018-02-04 03:57:35,479 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:35,486 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:35,799 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:35,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:57:35,799 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:35,799 INFO L182 omatonBuilderFactory]: Interpolants [37888#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 37889#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 37890#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 37891#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 37892#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 37893#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 37894#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 37895#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 37896#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 37897#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 37898#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37899#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 37900#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37901#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 37902#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 37903#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 37904#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 37905#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 37906#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 37907#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)), 37908#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 37909#(= 0 |main_#t~mem22.offset|), 37884#true, 37885#false, 37886#(= 1 (select |#valid| main_~head~0.base)), 37887#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:57:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:35,799 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:57:35,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:57:35,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:57:35,800 INFO L87 Difference]: Start difference. First operand 259 states and 274 transitions. Second operand 26 states. [2018-02-04 03:57:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:36,722 INFO L93 Difference]: Finished difference Result 350 states and 367 transitions. [2018-02-04 03:57:36,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:57:36,722 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-02-04 03:57:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:36,723 INFO L225 Difference]: With dead ends: 350 [2018-02-04 03:57:36,723 INFO L226 Difference]: Without dead ends: 350 [2018-02-04 03:57:36,724 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=1807, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:57:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-04 03:57:36,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 333. [2018-02-04 03:57:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 03:57:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 360 transitions. [2018-02-04 03:57:36,726 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 360 transitions. Word has length 82 [2018-02-04 03:57:36,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:36,726 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 360 transitions. [2018-02-04 03:57:36,726 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:57:36,726 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 360 transitions. [2018-02-04 03:57:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:57:36,726 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:36,726 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:36,726 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:36,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1217473759, now seen corresponding path program 2 times [2018-02-04 03:57:36,727 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:36,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:37,246 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:37,246 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:57:37,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:37,246 INFO L182 omatonBuilderFactory]: Interpolants [38656#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 38657#(and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.base|) (not (= 0 main_~head~0.base))), 38658#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38659#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38660#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 38661#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 38662#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))), 38663#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 38664#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 38665#(= (select |#valid| |main_#t~mem22.base|) 1), 38633#true, 38634#false, 38635#(not (= 0 |main_#t~malloc0.base|)), 38636#(not (= 0 main_~head~0.base)), 38637#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 38638#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 38639#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 38640#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 38641#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 38642#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 38643#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 38644#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 38645#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 38646#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38647#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38648#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 38649#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38650#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38651#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38652#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 38653#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 38654#(or (not (= 0 |main_#t~mem14|)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 38655#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:57:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:37,246 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:57:37,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:57:37,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:57:37,247 INFO L87 Difference]: Start difference. First operand 333 states and 360 transitions. Second operand 33 states. [2018-02-04 03:57:38,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:38,613 INFO L93 Difference]: Finished difference Result 360 states and 373 transitions. [2018-02-04 03:57:38,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:57:38,613 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 82 [2018-02-04 03:57:38,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:38,614 INFO L225 Difference]: With dead ends: 360 [2018-02-04 03:57:38,614 INFO L226 Difference]: Without dead ends: 360 [2018-02-04 03:57:38,614 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:57:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-02-04 03:57:38,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 339. [2018-02-04 03:57:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-02-04 03:57:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 366 transitions. [2018-02-04 03:57:38,616 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 366 transitions. Word has length 82 [2018-02-04 03:57:38,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:38,616 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 366 transitions. [2018-02-04 03:57:38,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:57:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 366 transitions. [2018-02-04 03:57:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:57:38,617 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:38,617 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:38,617 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:38,617 INFO L82 PathProgramCache]: Analyzing trace with hash 139786573, now seen corresponding path program 6 times [2018-02-04 03:57:38,617 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:38,625 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:39,227 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:39,227 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:57:39,227 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:39,227 INFO L182 omatonBuilderFactory]: Interpolants [39429#true, 39430#false, 39431#(= 0 |main_#t~malloc0.offset|), 39432#(= main_~head~0.offset 0), 39433#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 39434#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 39435#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 39436#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 39437#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 39438#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 39439#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 39440#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 39441#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 39442#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39443#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 39444#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 39445#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~head~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 39446#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 39447#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem11.offset| 0) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39448#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 39449#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 39450#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 39451#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 |main_#t~mem14|))), 39452#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (+ 0 4)) 2)), 39453#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 39454#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 39455#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2)), 39456#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 8 (select |#length| |main_#t~mem15.base|))), 39457#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 8))), 39458#(or (<= (+ main_~x~0.offset 1) 0) (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2))), 39459#(<= (+ main_~x~0.offset 1) 0)] [2018-02-04 03:57:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:39,227 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:57:39,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:57:39,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=837, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:57:39,228 INFO L87 Difference]: Start difference. First operand 339 states and 366 transitions. Second operand 31 states. [2018-02-04 03:57:40,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:40,798 INFO L93 Difference]: Finished difference Result 355 states and 371 transitions. [2018-02-04 03:57:40,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:57:40,799 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 82 [2018-02-04 03:57:40,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:40,800 INFO L225 Difference]: With dead ends: 355 [2018-02-04 03:57:40,800 INFO L226 Difference]: Without dead ends: 350 [2018-02-04 03:57:40,800 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=446, Invalid=3214, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 03:57:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-04 03:57:40,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 334. [2018-02-04 03:57:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-02-04 03:57:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 360 transitions. [2018-02-04 03:57:40,803 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 360 transitions. Word has length 82 [2018-02-04 03:57:40,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:40,803 INFO L432 AbstractCegarLoop]: Abstraction has 334 states and 360 transitions. [2018-02-04 03:57:40,803 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:57:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 360 transitions. [2018-02-04 03:57:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:57:40,803 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:40,803 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:40,803 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:40,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2017056016, now seen corresponding path program 9 times [2018-02-04 03:57:40,804 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:40,811 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 11 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:41,443 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:41,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:57:41,444 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:41,444 INFO L182 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 40211#(= 0 |main_#t~malloc0.offset|), 40212#(= main_~head~0.offset 0), 40213#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 40214#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 40215#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 40216#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 40217#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 40218#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 40219#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 40220#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 40221#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 40222#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40223#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 40224#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 40225#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~head~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 40226#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 40227#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem11.offset| 0) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40228#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 40229#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 40230#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 40231#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 |main_#t~mem14|))), 40232#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (+ 0 4)) 2)), 40233#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 40234#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 40235#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2)), 40236#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 8 (select |#length| |main_#t~mem15.base|))), 40237#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 8))), 40238#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)), 40239#(or (<= (+ main_~x~0.offset 1) 0) (= |main_#t~mem14| 2)), 40240#(<= (+ main_~x~0.offset 1) 0)] [2018-02-04 03:57:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 11 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:41,444 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:57:41,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:57:41,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:57:41,445 INFO L87 Difference]: Start difference. First operand 334 states and 360 transitions. Second operand 32 states. [2018-02-04 03:57:43,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:43,075 INFO L93 Difference]: Finished difference Result 324 states and 338 transitions. [2018-02-04 03:57:43,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:57:43,075 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 82 [2018-02-04 03:57:43,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:43,076 INFO L225 Difference]: With dead ends: 324 [2018-02-04 03:57:43,076 INFO L226 Difference]: Without dead ends: 310 [2018-02-04 03:57:43,076 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=466, Invalid=3440, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:57:43,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-02-04 03:57:43,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 303. [2018-02-04 03:57:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-02-04 03:57:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 319 transitions. [2018-02-04 03:57:43,078 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 319 transitions. Word has length 82 [2018-02-04 03:57:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:43,078 INFO L432 AbstractCegarLoop]: Abstraction has 303 states and 319 transitions. [2018-02-04 03:57:43,078 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:57:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 319 transitions. [2018-02-04 03:57:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:57:43,078 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:43,078 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:43,078 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:43,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1761182976, now seen corresponding path program 2 times [2018-02-04 03:57:43,079 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:43,086 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:43,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:43,426 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:57:43,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:43,426 INFO L182 omatonBuilderFactory]: Interpolants [40930#true, 40931#false, 40932#(= 1 (select |#valid| main_~head~0.base)), 40933#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40934#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 40935#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 40936#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 40937#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40938#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 40939#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 40940#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 40941#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 40942#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 40943#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|))), 40944#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40945#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 40946#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40947#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 40948#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 40949#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 40950#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 40951#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 40952#(not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 40953#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 40954#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 40955#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 40956#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:43,427 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:43,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:43,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:43,427 INFO L87 Difference]: Start difference. First operand 303 states and 319 transitions. Second operand 27 states. [2018-02-04 03:57:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:44,343 INFO L93 Difference]: Finished difference Result 311 states and 325 transitions. [2018-02-04 03:57:44,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:57:44,343 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 84 [2018-02-04 03:57:44,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:44,344 INFO L225 Difference]: With dead ends: 311 [2018-02-04 03:57:44,344 INFO L226 Difference]: Without dead ends: 311 [2018-02-04 03:57:44,344 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=354, Invalid=2096, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:57:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-02-04 03:57:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 305. [2018-02-04 03:57:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-04 03:57:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 321 transitions. [2018-02-04 03:57:44,346 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 321 transitions. Word has length 84 [2018-02-04 03:57:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:44,346 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 321 transitions. [2018-02-04 03:57:44,346 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 321 transitions. [2018-02-04 03:57:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:57:44,346 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:44,346 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:44,346 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:44,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1669210897, now seen corresponding path program 7 times [2018-02-04 03:57:44,347 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:44,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:44,950 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:44,950 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:57:44,950 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:44,950 INFO L182 omatonBuilderFactory]: Interpolants [41619#true, 41620#false, 41621#(= 1 (select |#valid| main_~head~0.base)), 41622#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 41623#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 41624#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 41625#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 41626#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 41627#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 41628#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 41629#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 41630#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41631#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41632#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 41633#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 41634#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 41635#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41636#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41637#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 41638#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 41639#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 41640#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41641#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 41642#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 41643#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 41644#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 41645#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 41646#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 41647#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 41648#(= 1 (select |#valid| |main_#t~mem17.base|)), 41649#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:44,950 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:57:44,951 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:57:44,951 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:57:44,951 INFO L87 Difference]: Start difference. First operand 305 states and 321 transitions. Second operand 31 states. [2018-02-04 03:57:46,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:46,672 INFO L93 Difference]: Finished difference Result 363 states and 380 transitions. [2018-02-04 03:57:46,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:57:46,672 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 84 [2018-02-04 03:57:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:46,672 INFO L225 Difference]: With dead ends: 363 [2018-02-04 03:57:46,673 INFO L226 Difference]: Without dead ends: 363 [2018-02-04 03:57:46,673 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=421, Invalid=3239, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 03:57:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-02-04 03:57:46,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 308. [2018-02-04 03:57:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 03:57:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 325 transitions. [2018-02-04 03:57:46,675 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 325 transitions. Word has length 84 [2018-02-04 03:57:46,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:46,675 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 325 transitions. [2018-02-04 03:57:46,675 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:57:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 325 transitions. [2018-02-04 03:57:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:57:46,675 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:46,675 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:46,675 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:46,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1669210898, now seen corresponding path program 5 times [2018-02-04 03:57:46,676 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:46,687 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:47,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:47,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:57:47,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:47,431 INFO L182 omatonBuilderFactory]: Interpolants [42381#true, 42382#false, 42383#(= 1 (select |#valid| main_~head~0.base)), 42384#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 42385#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 42386#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 42387#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 42388#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 42389#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 42390#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 42391#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 42392#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42393#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42394#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 42395#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 42396#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42397#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42398#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42399#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42400#(and (= (select |#length| main_~x~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 42401#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42402#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 42403#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 42404#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 42405#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42406#(or (not (= 0 |main_#t~mem14|)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42407#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 42408#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 42409#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 42410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42411#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 42412#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 03:57:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:47,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:57:47,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:57:47,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:57:47,431 INFO L87 Difference]: Start difference. First operand 308 states and 325 transitions. Second operand 32 states. [2018-02-04 03:57:49,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:49,338 INFO L93 Difference]: Finished difference Result 385 states and 402 transitions. [2018-02-04 03:57:49,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:57:49,338 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 84 [2018-02-04 03:57:49,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:49,339 INFO L225 Difference]: With dead ends: 385 [2018-02-04 03:57:49,339 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 03:57:49,339 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=293, Invalid=2787, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 03:57:49,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 03:57:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 308. [2018-02-04 03:57:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 03:57:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 324 transitions. [2018-02-04 03:57:49,341 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 324 transitions. Word has length 84 [2018-02-04 03:57:49,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:49,342 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 324 transitions. [2018-02-04 03:57:49,342 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:57:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 324 transitions. [2018-02-04 03:57:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:57:49,342 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:49,342 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:49,342 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:49,342 INFO L82 PathProgramCache]: Analyzing trace with hash -748486956, now seen corresponding path program 10 times [2018-02-04 03:57:49,343 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:49,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:49,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:49,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:57:49,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:49,923 INFO L182 omatonBuilderFactory]: Interpolants [43154#true, 43155#false, 43156#(= 1 (select |#valid| main_~head~0.base)), 43157#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43158#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 43159#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 43160#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 43161#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43162#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43163#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 43164#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 43165#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43166#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43167#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43168#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 43169#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 43170#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43171#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43172#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 43173#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 43174#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 43175#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43176#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 43177#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 43178#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 43179#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 43180#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 43181#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 43182#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 43183#(= 1 (select |#valid| |main_#t~mem15.base|)), 43184#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:49,924 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:57:49,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:57:49,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:57:49,924 INFO L87 Difference]: Start difference. First operand 308 states and 324 transitions. Second operand 31 states. [2018-02-04 03:57:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:51,613 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2018-02-04 03:57:51,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:57:51,613 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 84 [2018-02-04 03:57:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:51,614 INFO L225 Difference]: With dead ends: 365 [2018-02-04 03:57:51,614 INFO L226 Difference]: Without dead ends: 365 [2018-02-04 03:57:51,614 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=385, Invalid=2921, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:57:51,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-02-04 03:57:51,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 316. [2018-02-04 03:57:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 03:57:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 333 transitions. [2018-02-04 03:57:51,616 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 333 transitions. Word has length 84 [2018-02-04 03:57:51,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:51,616 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 333 transitions. [2018-02-04 03:57:51,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:57:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2018-02-04 03:57:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:57:51,616 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:51,617 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:51,617 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:51,617 INFO L82 PathProgramCache]: Analyzing trace with hash -748486955, now seen corresponding path program 8 times [2018-02-04 03:57:51,617 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:51,629 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:52,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:52,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:57:52,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:52,365 INFO L182 omatonBuilderFactory]: Interpolants [43920#true, 43921#false, 43922#(= 1 (select |#valid| main_~head~0.base)), 43923#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43924#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 43925#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 43926#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 43927#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43928#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43929#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 43930#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 43931#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43932#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43933#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43934#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 43935#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43936#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43937#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43938#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43939#(and (= (select |#length| main_~x~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 43940#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43941#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 43942#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 43943#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 43944#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 43945#(or (not (= 0 |main_#t~mem14|)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 43946#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 43947#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 43948#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 43949#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43950#(and (<= 8 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 43951#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 03:57:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:52,365 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:57:52,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:57:52,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:57:52,365 INFO L87 Difference]: Start difference. First operand 316 states and 333 transitions. Second operand 32 states. [2018-02-04 03:57:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:54,456 INFO L93 Difference]: Finished difference Result 397 states and 415 transitions. [2018-02-04 03:57:54,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:57:54,456 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 84 [2018-02-04 03:57:54,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:54,457 INFO L225 Difference]: With dead ends: 397 [2018-02-04 03:57:54,457 INFO L226 Difference]: Without dead ends: 397 [2018-02-04 03:57:54,457 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=293, Invalid=2787, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 03:57:54,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-02-04 03:57:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 322. [2018-02-04 03:57:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-02-04 03:57:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 339 transitions. [2018-02-04 03:57:54,459 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 339 transitions. Word has length 84 [2018-02-04 03:57:54,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:54,459 INFO L432 AbstractCegarLoop]: Abstraction has 322 states and 339 transitions. [2018-02-04 03:57:54,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:57:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 339 transitions. [2018-02-04 03:57:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:57:54,460 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:54,460 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:54,460 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 279730528, now seen corresponding path program 2 times [2018-02-04 03:57:54,460 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:54,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:57:55,238 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:55,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:57:55,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:55,239 INFO L182 omatonBuilderFactory]: Interpolants [44736#(and (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44737#(and (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 44738#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 44739#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 44740#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0))), 44741#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0))), 44742#(and (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 44743#(and (= 0 |main_#t~mem15.offset|) (not (= 1 (select (select |#memory_int| |main_#t~mem15.base|) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 44744#(and (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 44745#(and (= main_~x~0.offset 0) (= main_~head~0.offset 0) (not (= 1 |main_#t~mem13|))), 44719#true, 44720#false, 44721#(= 0 |main_#t~malloc0.offset|), 44722#(= main_~head~0.offset 0), 44723#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 44724#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 44725#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 44726#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 44727#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 44728#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44729#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44730#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 44731#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 44732#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 44733#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44734#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 44735#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))))] [2018-02-04 03:57:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:57:55,239 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:57:55,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:57:55,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:57:55,239 INFO L87 Difference]: Start difference. First operand 322 states and 339 transitions. Second operand 27 states. [2018-02-04 03:57:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:56,346 INFO L93 Difference]: Finished difference Result 300 states and 314 transitions. [2018-02-04 03:57:56,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:57:56,347 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 86 [2018-02-04 03:57:56,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:56,347 INFO L225 Difference]: With dead ends: 300 [2018-02-04 03:57:56,347 INFO L226 Difference]: Without dead ends: 300 [2018-02-04 03:57:56,348 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=437, Invalid=2319, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:57:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-02-04 03:57:56,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 296. [2018-02-04 03:57:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 03:57:56,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 312 transitions. [2018-02-04 03:57:56,349 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 312 transitions. Word has length 86 [2018-02-04 03:57:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:56,349 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 312 transitions. [2018-02-04 03:57:56,349 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:57:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 312 transitions. [2018-02-04 03:57:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:57:56,350 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:56,350 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:56,350 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:56,350 INFO L82 PathProgramCache]: Analyzing trace with hash 236595853, now seen corresponding path program 8 times [2018-02-04 03:57:56,350 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:56,371 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:56,982 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:56,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:57:56,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:56,982 INFO L182 omatonBuilderFactory]: Interpolants [45394#true, 45395#false, 45396#(= 1 (select |#valid| main_~head~0.base)), 45397#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 45398#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 45399#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 45400#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 45401#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 45402#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 45403#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 45404#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 45405#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45406#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45407#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 45408#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 45409#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45410#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45411#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 45412#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45413#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 45414#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 45415#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45416#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 45417#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45418#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 45419#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45420#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 45421#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 45422#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 45423#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 45424#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 45425#(= 1 (select |#valid| |main_#t~mem17.base|)), 45426#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:57:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:56,983 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:57:56,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:57:56,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=950, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:57:56,983 INFO L87 Difference]: Start difference. First operand 296 states and 312 transitions. Second operand 33 states. [2018-02-04 03:57:58,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:57:58,663 INFO L93 Difference]: Finished difference Result 303 states and 317 transitions. [2018-02-04 03:57:58,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:57:58,663 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 03:57:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:57:58,664 INFO L225 Difference]: With dead ends: 303 [2018-02-04 03:57:58,664 INFO L226 Difference]: Without dead ends: 303 [2018-02-04 03:57:58,664 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=569, Invalid=3591, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:57:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-02-04 03:57:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 296. [2018-02-04 03:57:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 03:57:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 311 transitions. [2018-02-04 03:57:58,666 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 311 transitions. Word has length 86 [2018-02-04 03:57:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:57:58,666 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 311 transitions. [2018-02-04 03:57:58,666 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:57:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 311 transitions. [2018-02-04 03:57:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:57:58,667 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:57:58,667 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:57:58,667 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:57:58,667 INFO L82 PathProgramCache]: Analyzing trace with hash 236595854, now seen corresponding path program 6 times [2018-02-04 03:57:58,667 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:57:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:57:58,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:57:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:59,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:57:59,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:57:59,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:57:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:59,720 INFO L182 omatonBuilderFactory]: Interpolants [46090#true, 46091#false, 46092#(= 1 (select |#valid| main_~head~0.base)), 46093#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 46094#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base) (= 8 (select |#length| |main_#t~malloc4.base|))), 46095#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 46096#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 46097#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 46098#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 46099#(and (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 46100#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (= (select |#valid| main_~x~0.base) 1)), 46101#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 8 (select |#length| |main_#t~mem6.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46102#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46103#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46104#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#length| main_~x~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 8)), 46105#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 8) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| main_~x~0.base) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46106#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46107#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46108#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 8)), 46109#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46110#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46111#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base main_~head~0.base)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46112#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 8) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 46113#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46114#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46115#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46116#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 46117#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 46118#(or (not (= 0 |main_#t~mem14|)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 46119#(and (<= (select |#length| |main_#t~mem15.base|) 8) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)))), 46120#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))) (or (<= main_~x~0.offset 0) (<= (select |#length| main_~x~0.base) 8))), 46121#(and (<= main_~x~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0)))), 46122#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 46123#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 03:57:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:57:59,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:57:59,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:57:59,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:57:59,720 INFO L87 Difference]: Start difference. First operand 296 states and 311 transitions. Second operand 34 states. [2018-02-04 03:58:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:01,884 INFO L93 Difference]: Finished difference Result 308 states and 318 transitions. [2018-02-04 03:58:01,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:58:01,884 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-02-04 03:58:01,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:01,885 INFO L225 Difference]: With dead ends: 308 [2018-02-04 03:58:01,885 INFO L226 Difference]: Without dead ends: 308 [2018-02-04 03:58:01,885 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=514, Invalid=3518, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:58:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-02-04 03:58:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 288. [2018-02-04 03:58:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 03:58:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 302 transitions. [2018-02-04 03:58:01,887 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 302 transitions. Word has length 86 [2018-02-04 03:58:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:01,887 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 302 transitions. [2018-02-04 03:58:01,887 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 302 transitions. [2018-02-04 03:58:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:58:01,887 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:01,887 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:58:01,887 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:01,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2113865296, now seen corresponding path program 11 times [2018-02-04 03:58:01,888 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:01,901 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:02,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:02,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:58:02,641 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:02,641 INFO L182 omatonBuilderFactory]: Interpolants [46784#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 46785#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 46786#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 46787#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 46788#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 46789#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 46790#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 46791#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 46792#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 46793#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 46794#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 46795#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46796#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46797#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc4.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 46798#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 46799#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 46800#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 46801#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46802#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 46803#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46804#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46805#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 46806#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 46807#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 46808#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem14|))), 46809#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 46810#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 46811#(= 1 (select |#valid| |main_#t~mem15.base|)), 46812#(= 1 (select |#valid| main_~x~0.base)), 46780#true, 46781#false, 46782#(= 1 (select |#valid| main_~head~0.base)), 46783#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:58:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:02,642 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:58:02,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:58:02,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=950, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:58:02,642 INFO L87 Difference]: Start difference. First operand 288 states and 302 transitions. Second operand 33 states. [2018-02-04 03:58:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:04,508 INFO L93 Difference]: Finished difference Result 297 states and 311 transitions. [2018-02-04 03:58:04,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:58:04,508 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 03:58:04,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:04,509 INFO L225 Difference]: With dead ends: 297 [2018-02-04 03:58:04,509 INFO L226 Difference]: Without dead ends: 297 [2018-02-04 03:58:04,509 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=561, Invalid=3471, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:58:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-02-04 03:58:04,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 296. [2018-02-04 03:58:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 03:58:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 311 transitions. [2018-02-04 03:58:04,511 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 311 transitions. Word has length 86 [2018-02-04 03:58:04,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:04,511 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 311 transitions. [2018-02-04 03:58:04,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:58:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 311 transitions. [2018-02-04 03:58:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:58:04,511 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:04,511 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:58:04,512 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:04,512 INFO L82 PathProgramCache]: Analyzing trace with hash 2113865297, now seen corresponding path program 9 times [2018-02-04 03:58:04,512 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:04,530 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:05,388 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:05,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:58:05,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:05,389 INFO L182 omatonBuilderFactory]: Interpolants [47488#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47489#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47490#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 47491#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47492#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47493#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47494#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47495#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 47496#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 47497#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 47498#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47499#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 47500#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 47468#true, 47469#false, 47470#(= 1 (select |#valid| main_~head~0.base)), 47471#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47472#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 47473#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 47474#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 47475#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47476#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47477#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 47478#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 47479#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47480#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47481#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47482#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 8) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 47483#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 8) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 47484#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47485#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47486#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 47487#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:58:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:05,389 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:58:05,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:58:05,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=947, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:58:05,389 INFO L87 Difference]: Start difference. First operand 296 states and 311 transitions. Second operand 33 states. [2018-02-04 03:58:07,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:07,708 INFO L93 Difference]: Finished difference Result 425 states and 444 transitions. [2018-02-04 03:58:07,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:58:07,708 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 03:58:07,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:07,709 INFO L225 Difference]: With dead ends: 425 [2018-02-04 03:58:07,709 INFO L226 Difference]: Without dead ends: 425 [2018-02-04 03:58:07,709 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=480, Invalid=3942, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:58:07,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-02-04 03:58:07,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 328. [2018-02-04 03:58:07,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-02-04 03:58:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 345 transitions. [2018-02-04 03:58:07,712 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 345 transitions. Word has length 86 [2018-02-04 03:58:07,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:07,713 INFO L432 AbstractCegarLoop]: Abstraction has 328 states and 345 transitions. [2018-02-04 03:58:07,713 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:58:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 345 transitions. [2018-02-04 03:58:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:58:07,713 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:07,713 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:07,713 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:07,714 INFO L82 PathProgramCache]: Analyzing trace with hash 260171097, now seen corresponding path program 5 times [2018-02-04 03:58:07,714 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:07,721 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:08,309 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:08,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:58:08,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:08,309 INFO L182 omatonBuilderFactory]: Interpolants [48322#true, 48323#false, 48324#(not (= 0 |main_#t~malloc0.base|)), 48325#(not (= 0 main_~head~0.base)), 48326#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 48327#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 48328#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 48329#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 48330#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 48331#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48332#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48333#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 48334#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 48335#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 48336#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 48337#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 48338#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| main_~x~0.base) 1)), 48339#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 48340#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 48341#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 48342#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 48343#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 48344#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 48345#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base))), 48346#(and (not (= 0 main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 48347#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base))), 48348#(and (not (= |main_#t~mem20.base| 0)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 48349#(and (or (not (= 0 main_~x~0.offset)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base 0)) (not (= 0 main_~head~0.base))), 48350#(and (or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base 0))), 48351#(and (not (= main_~head~0.base 0)) (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 48352#(and (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|))) (not (= main_~head~0.base 0))), 48353#(and (not (= main_~head~0.base 0)) (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)))), 48354#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:58:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:08,310 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:58:08,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:58:08,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=938, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:58:08,310 INFO L87 Difference]: Start difference. First operand 328 states and 345 transitions. Second operand 33 states. [2018-02-04 03:58:10,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:10,058 INFO L93 Difference]: Finished difference Result 355 states and 369 transitions. [2018-02-04 03:58:10,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:58:10,058 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 90 [2018-02-04 03:58:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:10,059 INFO L225 Difference]: With dead ends: 355 [2018-02-04 03:58:10,059 INFO L226 Difference]: Without dead ends: 355 [2018-02-04 03:58:10,059 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=715, Invalid=4115, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 03:58:10,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-02-04 03:58:10,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 333. [2018-02-04 03:58:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 03:58:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 351 transitions. [2018-02-04 03:58:10,061 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 351 transitions. Word has length 90 [2018-02-04 03:58:10,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:10,061 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 351 transitions. [2018-02-04 03:58:10,061 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:58:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 351 transitions. [2018-02-04 03:58:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:58:10,062 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:10,062 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:10,062 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:10,062 INFO L82 PathProgramCache]: Analyzing trace with hash 260171098, now seen corresponding path program 4 times [2018-02-04 03:58:10,062 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:10,068 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:58:10,184 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:10,184 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:58:10,184 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:10,184 INFO L182 omatonBuilderFactory]: Interpolants [49120#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 49121#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 49122#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem15.base|)), 49123#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49124#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49125#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49126#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 49127#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 49128#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 49129#(and (<= 0 |main_#t~mem20.offset|) (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|))), 49130#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 49117#true, 49118#false, 49119#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:58:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:58:10,184 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:58:10,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:58:10,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:58:10,185 INFO L87 Difference]: Start difference. First operand 333 states and 351 transitions. Second operand 14 states. [2018-02-04 03:58:10,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:10,612 INFO L93 Difference]: Finished difference Result 405 states and 422 transitions. [2018-02-04 03:58:10,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:58:10,613 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2018-02-04 03:58:10,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:10,613 INFO L225 Difference]: With dead ends: 405 [2018-02-04 03:58:10,613 INFO L226 Difference]: Without dead ends: 405 [2018-02-04 03:58:10,614 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:58:10,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-02-04 03:58:10,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 342. [2018-02-04 03:58:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:58:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 361 transitions. [2018-02-04 03:58:10,615 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 361 transitions. Word has length 90 [2018-02-04 03:58:10,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:10,616 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 361 transitions. [2018-02-04 03:58:10,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:58:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 361 transitions. [2018-02-04 03:58:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 03:58:10,616 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:10,616 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:10,616 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:10,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1946342230, now seen corresponding path program 3 times [2018-02-04 03:58:10,617 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:10,624 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:11,131 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:11,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:58:11,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:11,132 INFO L182 omatonBuilderFactory]: Interpolants [49920#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 49921#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49922#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 49923#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49924#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 49925#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 49926#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))), 49927#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 49928#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 49929#(= (select |#valid| |main_#t~mem22.base|) 1), 49896#true, 49897#false, 49898#(not (= 0 |main_#t~malloc0.base|)), 49899#(not (= 0 main_~head~0.base)), 49900#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 49901#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49902#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49903#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 49904#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 49905#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49906#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 49907#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 49908#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 49909#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49910#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49911#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 49912#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49913#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49914#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 49915#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49916#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 49917#(or (not (= 0 |main_#t~mem14|)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 49918#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 49919#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))] [2018-02-04 03:58:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:11,132 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:58:11,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:58:11,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:11,132 INFO L87 Difference]: Start difference. First operand 342 states and 361 transitions. Second operand 34 states. [2018-02-04 03:58:12,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:12,478 INFO L93 Difference]: Finished difference Result 351 states and 364 transitions. [2018-02-04 03:58:12,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:58:12,478 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 91 [2018-02-04 03:58:12,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:12,479 INFO L225 Difference]: With dead ends: 351 [2018-02-04 03:58:12,479 INFO L226 Difference]: Without dead ends: 351 [2018-02-04 03:58:12,480 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=551, Invalid=3871, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:58:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-02-04 03:58:12,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 342. [2018-02-04 03:58:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:58:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 360 transitions. [2018-02-04 03:58:12,481 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 360 transitions. Word has length 91 [2018-02-04 03:58:12,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:12,482 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 360 transitions. [2018-02-04 03:58:12,482 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 360 transitions. [2018-02-04 03:58:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 03:58:12,482 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:12,482 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:12,482 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:12,482 INFO L82 PathProgramCache]: Analyzing trace with hash 2051850085, now seen corresponding path program 3 times [2018-02-04 03:58:12,483 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:12,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:58:12,877 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:12,877 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:58:12,877 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:12,877 INFO L182 omatonBuilderFactory]: Interpolants [50689#true, 50690#false, 50691#(= 1 (select |#valid| main_~head~0.base)), 50692#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 50693#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 50694#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 50695#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 50696#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50697#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 50698#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 50699#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 50700#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 50701#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 50702#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 50703#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50704#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 50705#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50706#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 50707#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 50708#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 50709#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 50710#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 50711#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50712#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50713#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 50714#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)), 50715#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 50716#(= 0 |main_#t~mem22.offset|)] [2018-02-04 03:58:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:58:12,877 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:58:12,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:58:12,878 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:58:12,878 INFO L87 Difference]: Start difference. First operand 342 states and 360 transitions. Second operand 28 states. [2018-02-04 03:58:13,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:13,946 INFO L93 Difference]: Finished difference Result 353 states and 367 transitions. [2018-02-04 03:58:13,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:58:13,946 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 93 [2018-02-04 03:58:13,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:13,947 INFO L225 Difference]: With dead ends: 353 [2018-02-04 03:58:13,947 INFO L226 Difference]: Without dead ends: 353 [2018-02-04 03:58:13,947 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=325, Invalid=2225, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:58:13,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-02-04 03:58:13,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 342. [2018-02-04 03:58:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:58:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 359 transitions. [2018-02-04 03:58:13,949 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 359 transitions. Word has length 93 [2018-02-04 03:58:13,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:13,950 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 359 transitions. [2018-02-04 03:58:13,950 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:58:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 359 transitions. [2018-02-04 03:58:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 03:58:13,950 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:13,950 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:13,950 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:13,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2051850086, now seen corresponding path program 4 times [2018-02-04 03:58:13,951 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:13,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:58:14,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:14,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 03:58:14,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:14,863 INFO L182 omatonBuilderFactory]: Interpolants [51458#true, 51459#false, 51460#(not (= 0 |main_#t~malloc0.base|)), 51461#(not (= 0 main_~head~0.base)), 51462#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 51463#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51464#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51465#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 51466#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 51467#(and (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51468#(and (= 1 (select |#valid| main_~x~0.base)) (or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51469#(and (or (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 51470#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 51471#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= 0 main_~head~0.base))), 51472#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51473#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (or (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|))))), 51474#(and (= 1 (select |#valid| main_~head~0.base)) (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51475#(and (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base))), 51476#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51477#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base))), 51478#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 main_~head~0.base))), 51479#(and (not (= 0 main_~head~0.base)) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 51480#(and (or (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (not (= 0 main_~head~0.base))), 51481#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= 0 main_~head~0.base)) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))))), 51482#(or (not (= 0 |main_#t~mem14|)) (and (not (= 0 main_~head~0.base)) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))))), 51483#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base))), 51484#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~head~0.base))), 51485#(and (not (= 0 main_~head~0.base)) (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem17.base|)))), 51486#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 main_~head~0.base))), 51487#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= 0 main_~head~0.base))), 51488#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 51489#(and (not (= 0 main_~head~0.base)) (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51490#(and (not (= 0 main_~head~0.base)) (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= main_~head~0.base |main_#t~mem20.base|))), 51491#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 51492#(or (not (= 1 (select |#valid| main_~x~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51493#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 51494#(= (select |#valid| |main_#t~mem22.base|) 1)] [2018-02-04 03:58:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:58:14,863 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 03:58:14,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 03:58:14,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1194, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:58:14,863 INFO L87 Difference]: Start difference. First operand 342 states and 359 transitions. Second operand 37 states. [2018-02-04 03:58:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:17,026 INFO L93 Difference]: Finished difference Result 359 states and 373 transitions. [2018-02-04 03:58:17,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:58:17,026 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 93 [2018-02-04 03:58:17,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:17,027 INFO L225 Difference]: With dead ends: 359 [2018-02-04 03:58:17,027 INFO L226 Difference]: Without dead ends: 359 [2018-02-04 03:58:17,027 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=687, Invalid=4863, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:58:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-02-04 03:58:17,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 348. [2018-02-04 03:58:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-02-04 03:58:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 365 transitions. [2018-02-04 03:58:17,029 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 365 transitions. Word has length 93 [2018-02-04 03:58:17,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:17,030 INFO L432 AbstractCegarLoop]: Abstraction has 348 states and 365 transitions. [2018-02-04 03:58:17,030 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 03:58:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 365 transitions. [2018-02-04 03:58:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 03:58:17,030 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:17,030 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:17,030 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:17,030 INFO L82 PathProgramCache]: Analyzing trace with hash 974162900, now seen corresponding path program 9 times [2018-02-04 03:58:17,031 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:17,044 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:17,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:17,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:58:17,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:17,722 INFO L182 omatonBuilderFactory]: Interpolants [52288#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 52289#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52290#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52291#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52292#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 52293#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 52294#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52295#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52296#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52297#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 52298#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52299#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 52300#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 52301#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 52302#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 52303#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 52304#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 52305#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 52306#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 52307#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 52308#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 52309#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 52310#(= 1 (select |#valid| |main_#t~mem17.base|)), 52311#(= 1 (select |#valid| main_~x~0.base)), 52278#true, 52279#false, 52280#(= 1 (select |#valid| main_~head~0.base)), 52281#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 52282#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 52283#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 52284#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 52285#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 52286#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 52287#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))] [2018-02-04 03:58:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:17,722 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:58:17,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:58:17,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:17,722 INFO L87 Difference]: Start difference. First operand 348 states and 365 transitions. Second operand 34 states. [2018-02-04 03:58:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:19,747 INFO L93 Difference]: Finished difference Result 423 states and 442 transitions. [2018-02-04 03:58:19,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:58:19,747 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 03:58:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:19,748 INFO L225 Difference]: With dead ends: 423 [2018-02-04 03:58:19,748 INFO L226 Difference]: Without dead ends: 423 [2018-02-04 03:58:19,748 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=482, Invalid=3808, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:58:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-02-04 03:58:19,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 365. [2018-02-04 03:58:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 03:58:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2018-02-04 03:58:19,751 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 93 [2018-02-04 03:58:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:19,751 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2018-02-04 03:58:19,751 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2018-02-04 03:58:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 03:58:19,751 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:19,751 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:19,751 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash 974162901, now seen corresponding path program 7 times [2018-02-04 03:58:19,752 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:19,763 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:20,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:20,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:58:20,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:20,608 INFO L182 omatonBuilderFactory]: Interpolants [53184#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53185#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 53186#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 53187#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 53188#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 53189#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 53190#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 53191#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 53192#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 53193#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 53194#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 53195#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 53196#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 53197#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 53164#true, 53165#false, 53166#(= 1 (select |#valid| main_~head~0.base)), 53167#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 53168#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 53169#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 53170#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 53171#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 53172#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 53173#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 53174#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 53175#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53176#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53177#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53178#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 53179#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 53180#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53181#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53182#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53183#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~malloc9.base|)))] [2018-02-04 03:58:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:20,608 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:58:20,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:58:20,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1034, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:20,609 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand 34 states. [2018-02-04 03:58:22,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:22,768 INFO L93 Difference]: Finished difference Result 450 states and 469 transitions. [2018-02-04 03:58:22,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:58:22,768 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 03:58:22,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:22,769 INFO L225 Difference]: With dead ends: 450 [2018-02-04 03:58:22,769 INFO L226 Difference]: Without dead ends: 450 [2018-02-04 03:58:22,769 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=282, Invalid=3140, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:58:22,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-02-04 03:58:22,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 357. [2018-02-04 03:58:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 03:58:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2018-02-04 03:58:22,772 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 93 [2018-02-04 03:58:22,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:22,772 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2018-02-04 03:58:22,772 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2018-02-04 03:58:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 03:58:22,772 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:22,772 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:22,772 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:22,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1443534953, now seen corresponding path program 12 times [2018-02-04 03:58:22,773 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:22,787 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:23,466 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:23,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:58:23,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:23,466 INFO L182 omatonBuilderFactory]: Interpolants [54080#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 54081#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 54082#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 54083#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54084#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 54085#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 54086#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 54087#(= 1 (select |#valid| |main_#t~mem15.base|)), 54088#(= 1 (select |#valid| main_~x~0.base)), 54055#true, 54056#false, 54057#(= 1 (select |#valid| main_~head~0.base)), 54058#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54059#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 54060#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 54061#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 54062#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54063#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54064#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54065#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 54066#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54067#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54068#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54069#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54070#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 54071#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54072#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54073#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54074#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 54075#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54076#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 54077#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 54078#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 54079#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))] [2018-02-04 03:58:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:23,467 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:58:23,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:58:23,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:23,467 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand 34 states. [2018-02-04 03:58:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:25,255 INFO L93 Difference]: Finished difference Result 423 states and 442 transitions. [2018-02-04 03:58:25,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:58:25,256 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 03:58:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:25,257 INFO L225 Difference]: With dead ends: 423 [2018-02-04 03:58:25,257 INFO L226 Difference]: Without dead ends: 423 [2018-02-04 03:58:25,257 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=408, Invalid=3252, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 03:58:25,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-02-04 03:58:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 357. [2018-02-04 03:58:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 03:58:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2018-02-04 03:58:25,259 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 93 [2018-02-04 03:58:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:25,259 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2018-02-04 03:58:25,260 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2018-02-04 03:58:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 03:58:25,260 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:25,260 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:25,260 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:25,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1443534952, now seen corresponding path program 10 times [2018-02-04 03:58:25,261 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:25,272 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:26,138 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:26,138 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:58:26,138 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:26,139 INFO L182 omatonBuilderFactory]: Interpolants [54923#true, 54924#false, 54925#(= 1 (select |#valid| main_~head~0.base)), 54926#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54927#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 54928#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 54929#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 54930#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54931#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54932#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54933#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 54934#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54935#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54936#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54937#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54938#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 54939#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54940#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54941#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54942#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~malloc9.base|))), 54943#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54944#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 54945#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 54946#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 54947#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 54948#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 54949#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 54950#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 54951#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54952#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 54953#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54954#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 54955#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 54956#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:58:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:26,139 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:58:26,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:58:26,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1034, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:26,139 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand 34 states. [2018-02-04 03:58:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:28,434 INFO L93 Difference]: Finished difference Result 460 states and 480 transitions. [2018-02-04 03:58:28,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:58:28,434 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 03:58:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:28,435 INFO L225 Difference]: With dead ends: 460 [2018-02-04 03:58:28,435 INFO L226 Difference]: Without dead ends: 460 [2018-02-04 03:58:28,436 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=282, Invalid=3140, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:58:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-02-04 03:58:28,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 357. [2018-02-04 03:58:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 03:58:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2018-02-04 03:58:28,438 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 93 [2018-02-04 03:58:28,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:28,438 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2018-02-04 03:58:28,438 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2018-02-04 03:58:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 03:58:28,438 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:28,438 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:28,438 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:28,438 INFO L82 PathProgramCache]: Analyzing trace with hash 120912667, now seen corresponding path program 4 times [2018-02-04 03:58:28,439 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:28,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:28,802 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:28,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:58:28,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:28,803 INFO L182 omatonBuilderFactory]: Interpolants [55824#true, 55825#false, 55826#(= 1 (select |#valid| main_~head~0.base)), 55827#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 55828#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 55829#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 55830#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 55831#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55832#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55833#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 55834#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (= (select |#valid| main_~x~0.base) 1)), 55835#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 55836#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 55837#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|))), 55838#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55839#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 55840#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 55841#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 55842#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 55843#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 55844#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 55845#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55846#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 55847#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)), 55848#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 55849#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55850#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 55851#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 55852#(= 0 main_~x~0.offset), 55853#(= main_~head~0.offset 0)] [2018-02-04 03:58:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:28,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:58:28,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:58:28,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:58:28,803 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand 30 states. [2018-02-04 03:58:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:29,879 INFO L93 Difference]: Finished difference Result 375 states and 393 transitions. [2018-02-04 03:58:29,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:58:29,879 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 94 [2018-02-04 03:58:29,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:29,880 INFO L225 Difference]: With dead ends: 375 [2018-02-04 03:58:29,880 INFO L226 Difference]: Without dead ends: 375 [2018-02-04 03:58:29,880 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=319, Invalid=2437, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:58:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-02-04 03:58:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 367. [2018-02-04 03:58:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-02-04 03:58:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 388 transitions. [2018-02-04 03:58:29,882 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 388 transitions. Word has length 94 [2018-02-04 03:58:29,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:29,882 INFO L432 AbstractCegarLoop]: Abstraction has 367 states and 388 transitions. [2018-02-04 03:58:29,882 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:58:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 388 transitions. [2018-02-04 03:58:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:58:29,883 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:29,883 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:29,883 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:29,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1154647125, now seen corresponding path program 3 times [2018-02-04 03:58:29,883 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:29,895 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:58:30,097 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:30,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:58:30,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:30,097 INFO L182 omatonBuilderFactory]: Interpolants [56642#true, 56643#false, 56644#(= 0 |main_#t~malloc0.offset|), 56645#(= main_~head~0.offset 0), 56646#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56647#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56648#(and (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56649#(and (not (= 1 |main_#t~mem14|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56650#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= main_~head~0.offset 0) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 56651#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 56652#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem14| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (not (= main_~head~0.offset main_~x~0.offset))) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 56653#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (not (= main_~head~0.offset main_~x~0.offset))) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 56654#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))))) (= main_~head~0.offset 0)), 56655#(or (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (<= 1 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56656#(or (not (= 1 (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 4)))) (<= 1 |main_#t~mem20.offset|)), 56657#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0) (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 56658#(or (not (= 1 |main_#t~mem19|)) (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 56659#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 56660#(<= 1 main_~x~0.offset)] [2018-02-04 03:58:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:58:30,097 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:58:30,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:58:30,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:58:30,098 INFO L87 Difference]: Start difference. First operand 367 states and 388 transitions. Second operand 19 states. [2018-02-04 03:58:30,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:30,509 INFO L93 Difference]: Finished difference Result 377 states and 395 transitions. [2018-02-04 03:58:30,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:58:30,509 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2018-02-04 03:58:30,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:30,509 INFO L225 Difference]: With dead ends: 377 [2018-02-04 03:58:30,509 INFO L226 Difference]: Without dead ends: 369 [2018-02-04 03:58:30,510 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=1228, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:58:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-04 03:58:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 361. [2018-02-04 03:58:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 03:58:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2018-02-04 03:58:30,512 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 95 [2018-02-04 03:58:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:30,512 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2018-02-04 03:58:30,512 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:58:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2018-02-04 03:58:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:58:30,512 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:30,512 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:30,512 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash 437948871, now seen corresponding path program 3 times [2018-02-04 03:58:30,513 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:30,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:58:30,990 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:30,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:58:30,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:30,991 INFO L182 omatonBuilderFactory]: Interpolants [57439#true, 57440#false, 57441#(= 1 (select |#valid| main_~head~0.base)), 57442#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 57443#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 57444#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 57445#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 57446#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 57447#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 57448#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 57449#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 57450#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 57451#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 57452#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 57453#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57454#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|))), 57455#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57456#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 57457#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57458#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 57459#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 57460#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 57461#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 57462#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 57463#(not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 57464#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 57465#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 57466#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 57467#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:58:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:58:30,991 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:58:30,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:58:30,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:58:30,991 INFO L87 Difference]: Start difference. First operand 361 states and 381 transitions. Second operand 29 states. [2018-02-04 03:58:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:32,128 INFO L93 Difference]: Finished difference Result 367 states and 384 transitions. [2018-02-04 03:58:32,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:58:32,128 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 95 [2018-02-04 03:58:32,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:32,129 INFO L225 Difference]: With dead ends: 367 [2018-02-04 03:58:32,129 INFO L226 Difference]: Without dead ends: 365 [2018-02-04 03:58:32,129 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=400, Invalid=2462, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:58:32,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-02-04 03:58:32,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2018-02-04 03:58:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 03:58:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 380 transitions. [2018-02-04 03:58:32,131 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 380 transitions. Word has length 95 [2018-02-04 03:58:32,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:32,131 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 380 transitions. [2018-02-04 03:58:32,131 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:58:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 380 transitions. [2018-02-04 03:58:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:58:32,132 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:32,132 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:58:32,132 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:32,132 INFO L82 PathProgramCache]: Analyzing trace with hash 345976792, now seen corresponding path program 10 times [2018-02-04 03:58:32,132 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:32,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:32,971 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:32,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:58:32,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:32,971 INFO L182 omatonBuilderFactory]: Interpolants [58246#true, 58247#false, 58248#(= 1 (select |#valid| main_~head~0.base)), 58249#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 58250#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 58251#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 58252#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 58253#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 58254#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 58255#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 58256#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 58257#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.offset|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 58258#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58259#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58260#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 58261#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 58262#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58263#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58264#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 58265#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58266#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58267#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58268#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58269#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))))), 58270#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 58271#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 58272#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58273#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 58274#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 58275#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 58276#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 58277#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 58278#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 58279#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 58280#(= 1 (select |#valid| |main_#t~mem17.base|)), 58281#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:58:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:32,972 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:58:32,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:58:32,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:58:32,972 INFO L87 Difference]: Start difference. First operand 361 states and 380 transitions. Second operand 36 states. [2018-02-04 03:58:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:35,803 INFO L93 Difference]: Finished difference Result 449 states and 470 transitions. [2018-02-04 03:58:35,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 03:58:35,803 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 03:58:35,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:35,804 INFO L225 Difference]: With dead ends: 449 [2018-02-04 03:58:35,804 INFO L226 Difference]: Without dead ends: 449 [2018-02-04 03:58:35,805 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1394 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=687, Invalid=5475, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:58:35,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-02-04 03:58:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 378. [2018-02-04 03:58:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-02-04 03:58:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 399 transitions. [2018-02-04 03:58:35,807 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 399 transitions. Word has length 95 [2018-02-04 03:58:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:35,807 INFO L432 AbstractCegarLoop]: Abstraction has 378 states and 399 transitions. [2018-02-04 03:58:35,807 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:58:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 399 transitions. [2018-02-04 03:58:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:58:35,807 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:35,807 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 03:58:35,807 INFO L371 AbstractCegarLoop]: === Iteration 100 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash 345976793, now seen corresponding path program 8 times [2018-02-04 03:58:35,808 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:35,825 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:36,818 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:36,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:58:36,819 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:36,819 INFO L182 omatonBuilderFactory]: Interpolants [59200#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 59201#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 59202#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59203#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59204#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 59205#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 59206#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59207#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59208#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59209#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 59210#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 59211#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59212#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59213#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59214#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|))), 59215#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 59216#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59217#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59218#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 59219#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 59220#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59221#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59222#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59223#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59224#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59225#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))), 59226#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 59227#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 59228#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59229#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 59230#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 59195#true, 59196#false, 59197#(= 1 (select |#valid| main_~head~0.base)), 59198#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 59199#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|))] [2018-02-04 03:58:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:36,819 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:58:36,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:58:36,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:58:36,820 INFO L87 Difference]: Start difference. First operand 378 states and 399 transitions. Second operand 36 states. [2018-02-04 03:58:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:40,151 INFO L93 Difference]: Finished difference Result 475 states and 495 transitions. [2018-02-04 03:58:40,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:58:40,151 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 03:58:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:40,152 INFO L225 Difference]: With dead ends: 475 [2018-02-04 03:58:40,152 INFO L226 Difference]: Without dead ends: 475 [2018-02-04 03:58:40,153 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=474, Invalid=4638, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:58:40,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-02-04 03:58:40,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 370. [2018-02-04 03:58:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-02-04 03:58:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 390 transitions. [2018-02-04 03:58:40,156 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 390 transitions. Word has length 95 [2018-02-04 03:58:40,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:40,156 INFO L432 AbstractCegarLoop]: Abstraction has 370 states and 390 transitions. [2018-02-04 03:58:40,156 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:58:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 390 transitions. [2018-02-04 03:58:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:58:40,157 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:40,157 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:40,157 INFO L371 AbstractCegarLoop]: === Iteration 101 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:40,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2071721061, now seen corresponding path program 13 times [2018-02-04 03:58:40,158 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:40,174 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:41,030 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:41,030 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:58:41,030 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:41,030 INFO L182 omatonBuilderFactory]: Interpolants [60160#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60161#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60162#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 60163#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 60164#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60165#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60166#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 60167#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60168#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60169#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60170#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60171#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))))), 60172#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 60173#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 60174#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60175#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 60176#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 60177#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 60178#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 60179#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 60180#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 60181#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 60182#(= 1 (select |#valid| |main_#t~mem15.base|)), 60183#(= 1 (select |#valid| main_~x~0.base)), 60148#true, 60149#false, 60150#(= 1 (select |#valid| main_~head~0.base)), 60151#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60152#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 60153#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 60154#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 60155#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60156#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60157#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 60158#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 60159#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem6.offset|) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)))] [2018-02-04 03:58:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:41,031 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:58:41,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:58:41,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:58:41,031 INFO L87 Difference]: Start difference. First operand 370 states and 390 transitions. Second operand 36 states. [2018-02-04 03:58:43,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:43,872 INFO L93 Difference]: Finished difference Result 441 states and 462 transitions. [2018-02-04 03:58:43,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 03:58:43,872 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 03:58:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:43,873 INFO L225 Difference]: With dead ends: 441 [2018-02-04 03:58:43,873 INFO L226 Difference]: Without dead ends: 441 [2018-02-04 03:58:43,874 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=5053, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:58:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-02-04 03:58:43,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 370. [2018-02-04 03:58:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-02-04 03:58:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 390 transitions. [2018-02-04 03:58:43,876 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 390 transitions. Word has length 95 [2018-02-04 03:58:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:43,876 INFO L432 AbstractCegarLoop]: Abstraction has 370 states and 390 transitions. [2018-02-04 03:58:43,877 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:58:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 390 transitions. [2018-02-04 03:58:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:58:43,877 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:43,877 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:43,877 INFO L371 AbstractCegarLoop]: === Iteration 102 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:43,877 INFO L82 PathProgramCache]: Analyzing trace with hash -2071721060, now seen corresponding path program 11 times [2018-02-04 03:58:43,878 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:43,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:44,952 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:44,952 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:58:44,952 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:44,953 INFO L182 omatonBuilderFactory]: Interpolants [61075#true, 61076#false, 61077#(= 1 (select |#valid| main_~head~0.base)), 61078#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 61079#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 61080#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 61081#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 61082#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61083#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61084#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 61085#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 61086#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61087#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61088#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61089#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 61090#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 61091#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61092#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61093#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61094#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|))), 61095#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61096#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61097#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61098#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 61099#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61100#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61101#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61102#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 61103#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 61104#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 61105#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))), 61106#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 61107#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 61108#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 61109#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 61110#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:58:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:44,953 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:58:44,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:58:44,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:58:44,953 INFO L87 Difference]: Start difference. First operand 370 states and 390 transitions. Second operand 36 states. [2018-02-04 03:58:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:48,429 INFO L93 Difference]: Finished difference Result 477 states and 498 transitions. [2018-02-04 03:58:48,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:58:48,429 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 03:58:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:48,430 INFO L225 Difference]: With dead ends: 477 [2018-02-04 03:58:48,430 INFO L226 Difference]: Without dead ends: 477 [2018-02-04 03:58:48,431 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=474, Invalid=4638, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:58:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-02-04 03:58:48,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 361. [2018-02-04 03:58:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 03:58:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 380 transitions. [2018-02-04 03:58:48,434 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 380 transitions. Word has length 95 [2018-02-04 03:58:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:48,434 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 380 transitions. [2018-02-04 03:58:48,434 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:58:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 380 transitions. [2018-02-04 03:58:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:58:48,435 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:48,435 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:48,435 INFO L371 AbstractCegarLoop]: === Iteration 103 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:48,435 INFO L82 PathProgramCache]: Analyzing trace with hash 232960573, now seen corresponding path program 6 times [2018-02-04 03:58:48,436 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:48,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:49,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:49,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 03:58:49,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:49,807 INFO L182 omatonBuilderFactory]: Interpolants [62021#true, 62022#false, 62023#(= 0 (select |#valid| 0)), 62024#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 62025#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 62026#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0))), 62027#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 62028#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 62029#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 62030#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 62031#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62032#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62033#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|))), 62034#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0))), 62035#(and (= |main_#t~mem6.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 62036#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 62037#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 62038#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 62039#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 62040#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 62041#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 62042#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)), 62043#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)), 62044#(and (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (not (= 0 main_~head~0.base))), 62045#(and (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem14|))) (not (= 0 main_~head~0.base))), 62046#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)), 62047#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 62048#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= 1 (select |#valid| 0))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= 0 main_~head~0.base))), 62049#(and (or (and (not (= 1 (select |#valid| 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base))), 62050#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 main_~head~0.base))), 62051#(and (or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base))), 62052#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= 1 (select |#valid| 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (not (= 0 main_~x~0.base))), 62053#(and (or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (not (= 0 main_~head~0.base))), 62054#(and (or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)))) (not (= |main_#t~mem20.offset| 0))) (not (= 0 main_~head~0.base))), 62055#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0)))) (not (= 0 main_~head~0.base))), 62056#(or (not (= main_~x~0.offset 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0)))), 62057#(or (not (= main_~x~0.offset 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0)))), 62058#(or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0))) (not (= main_~head~0.offset 0))), 62059#(or (and (not (= |main_#t~mem20.base| 0)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))) (not (= main_~head~0.offset 0))), 62060#(or (and (not (= main_~x~0.base 0)) (or (not (= main_~x~0.offset 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 62061#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base 0))), 62062#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.offset 0)))), 62063#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= main_~head~0.offset 0)))), 62064#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= main_~head~0.offset 0)))), 62065#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:58:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:49,807 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 03:58:49,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 03:58:49,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1801, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:58:49,808 INFO L87 Difference]: Start difference. First operand 361 states and 380 transitions. Second operand 45 states. [2018-02-04 03:58:51,770 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 111 DAG size of output 75 [2018-02-04 03:58:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:53,393 INFO L93 Difference]: Finished difference Result 377 states and 395 transitions. [2018-02-04 03:58:53,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 03:58:53,393 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 96 [2018-02-04 03:58:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:53,394 INFO L225 Difference]: With dead ends: 377 [2018-02-04 03:58:53,394 INFO L226 Difference]: Without dead ends: 377 [2018-02-04 03:58:53,395 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1920 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1011, Invalid=7179, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 03:58:53,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-02-04 03:58:53,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 363. [2018-02-04 03:58:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-02-04 03:58:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2018-02-04 03:58:53,397 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 96 [2018-02-04 03:58:53,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:53,397 INFO L432 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2018-02-04 03:58:53,397 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 03:58:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2018-02-04 03:58:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:58:53,397 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:53,397 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:53,398 INFO L371 AbstractCegarLoop]: === Iteration 104 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:53,398 INFO L82 PathProgramCache]: Analyzing trace with hash 232960574, now seen corresponding path program 5 times [2018-02-04 03:58:53,398 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:53,404 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:58:53,596 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:53,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:58:53,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:53,596 INFO L182 omatonBuilderFactory]: Interpolants [62912#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4))), 62913#(and (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|)) (<= 0 (+ |main_#t~mem20.offset| 4))), 62914#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 4))), 62898#true, 62899#false, 62900#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 62901#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|)), 62902#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 62903#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 62904#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 62905#(and (= |main_#t~mem17.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem17.base|)), 62906#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62907#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 4))), 62908#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 4))), 62909#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 62910#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 62911#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))] [2018-02-04 03:58:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 03:58:53,596 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:58:53,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:58:53,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:58:53,597 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand 17 states. [2018-02-04 03:58:54,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:54,328 INFO L93 Difference]: Finished difference Result 451 states and 471 transitions. [2018-02-04 03:58:54,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:58:54,328 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2018-02-04 03:58:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:54,329 INFO L225 Difference]: With dead ends: 451 [2018-02-04 03:58:54,329 INFO L226 Difference]: Without dead ends: 451 [2018-02-04 03:58:54,329 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=989, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:54,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-02-04 03:58:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 409. [2018-02-04 03:58:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-02-04 03:58:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 438 transitions. [2018-02-04 03:58:54,331 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 438 transitions. Word has length 96 [2018-02-04 03:58:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:54,331 INFO L432 AbstractCegarLoop]: Abstraction has 409 states and 438 transitions. [2018-02-04 03:58:54,331 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:58:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 438 transitions. [2018-02-04 03:58:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:58:54,331 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:54,332 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:54,332 INFO L371 AbstractCegarLoop]: === Iteration 105 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:54,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1505098821, now seen corresponding path program 4 times [2018-02-04 03:58:54,332 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:54,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:54,896 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:54,896 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:58:54,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:54,897 INFO L182 omatonBuilderFactory]: Interpolants [63809#true, 63810#false, 63811#(= 1 (select |#valid| main_~head~0.base)), 63812#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63813#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 63814#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 63815#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 63816#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 63817#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 63818#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 63819#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 63820#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 63821#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63822#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63823#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 63824#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63825#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 63826#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63827#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63828#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 63829#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem14|))), 63830#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 63831#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 63832#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 63833#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 63834#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 63835#(or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 63836#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.offset| 0))), 63837#(or (not (= main_~x~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 63838#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))) (= main_~x~0.offset main_~head~0.offset)) (not (= main_~head~0.offset 0))), 63839#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= main_~head~0.offset 0))), 63840#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0))), 63841#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 63842#(= 0 |main_#t~mem22.offset|)] [2018-02-04 03:58:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:54,897 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:58:54,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:58:54,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:58:54,898 INFO L87 Difference]: Start difference. First operand 409 states and 438 transitions. Second operand 34 states. [2018-02-04 03:58:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:56,303 INFO L93 Difference]: Finished difference Result 414 states and 439 transitions. [2018-02-04 03:58:56,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:58:56,303 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 97 [2018-02-04 03:58:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:56,304 INFO L225 Difference]: With dead ends: 414 [2018-02-04 03:58:56,304 INFO L226 Difference]: Without dead ends: 414 [2018-02-04 03:58:56,304 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=311, Invalid=2995, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:58:56,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-02-04 03:58:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2018-02-04 03:58:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-02-04 03:58:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 437 transitions. [2018-02-04 03:58:56,307 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 437 transitions. Word has length 97 [2018-02-04 03:58:56,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:56,307 INFO L432 AbstractCegarLoop]: Abstraction has 409 states and 437 transitions. [2018-02-04 03:58:56,307 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:58:56,307 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 437 transitions. [2018-02-04 03:58:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:58:56,308 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:58:56,308 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:58:56,308 INFO L371 AbstractCegarLoop]: === Iteration 106 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:58:56,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1505098822, now seen corresponding path program 5 times [2018-02-04 03:58:56,309 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:58:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:58:56,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:58:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:57,434 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:58:57,434 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 03:58:57,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:58:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:57,435 INFO L182 omatonBuilderFactory]: Interpolants [64714#true, 64715#false, 64716#(= 0 (select |#valid| 0)), 64717#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 64718#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 64719#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0))), 64720#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 64721#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 64722#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 64723#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 64724#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 64725#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 64726#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 64727#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 64728#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 64729#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 64730#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 64731#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select |#valid| 0)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 64732#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 64733#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 64734#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 64735#(and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 64736#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 64737#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 64738#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 64739#(and (not (= 1 (select |#valid| 0))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 64740#(and (not (= 1 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 64741#(and (or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base))), 64742#(and (or (and (not (= 1 (select |#valid| 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base))), 64743#(and (not (= 0 main_~head~0.base)) (or (and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 64744#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))))) (not (= 0 main_~head~0.base))), 64745#(and (not (= 0 main_~x~0.base)) (or (and (not (= 1 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)))), 64746#(and (or (and (not (= 1 (select |#valid| 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (not (= 0 main_~head~0.base))), 64747#(and (not (= 0 main_~head~0.base)) (or (and (not (= 1 (select |#valid| 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))))) (not (= |main_#t~mem20.offset| 0)))), 64748#(and (or (not (= main_~x~0.offset 0)) (and (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))) (not (= 0 main_~head~0.base))), 64749#(or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base))))), 64750#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= (select |#valid| main_~x~0.base) 1)) (not (= main_~x~0.offset 0))), 64751#(or (and (not (= 0 main_~x~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)) (not (= main_~head~0.offset 0))), 64752#(or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 64753#(or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 64754#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 64755#(= (select |#valid| |main_#t~mem22.base|) 1)] [2018-02-04 03:58:57,435 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:58:57,435 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 03:58:57,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 03:58:57,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1558, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:58:57,435 INFO L87 Difference]: Start difference. First operand 409 states and 437 transitions. Second operand 42 states. [2018-02-04 03:58:59,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:58:59,990 INFO L93 Difference]: Finished difference Result 414 states and 438 transitions. [2018-02-04 03:58:59,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:58:59,990 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 97 [2018-02-04 03:58:59,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:58:59,990 INFO L225 Difference]: With dead ends: 414 [2018-02-04 03:58:59,991 INFO L226 Difference]: Without dead ends: 414 [2018-02-04 03:58:59,991 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=693, Invalid=5627, Unknown=0, NotChecked=0, Total=6320 [2018-02-04 03:58:59,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-02-04 03:58:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2018-02-04 03:58:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-02-04 03:58:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 436 transitions. [2018-02-04 03:58:59,994 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 436 transitions. Word has length 97 [2018-02-04 03:58:59,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:58:59,994 INFO L432 AbstractCegarLoop]: Abstraction has 409 states and 436 transitions. [2018-02-04 03:58:59,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 03:58:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 436 transitions. [2018-02-04 03:59:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:59:00,007 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:00,007 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:59:00,007 INFO L371 AbstractCegarLoop]: === Iteration 107 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:00,007 INFO L82 PathProgramCache]: Analyzing trace with hash -37924761, now seen corresponding path program 4 times [2018-02-04 03:59:00,008 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:00,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:59:00,914 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:00,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:59:00,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:00,915 INFO L182 omatonBuilderFactory]: Interpolants [65665#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 65664#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 65667#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 65666#(and (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (or (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base |main_#t~malloc4.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1))) (< main_~x~0.offset main_~head~0.offset))), 65669#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65668#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65671#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65670#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 8) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 65673#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65672#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 8) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 65675#(and (= main_~head~0.offset 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 65674#(and (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65677#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 65676#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 65679#(or (not (= 0 |main_#t~mem14|)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))), 65678#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))), 65681#(and (not (= 1 (select (select |#memory_int| |main_#t~mem15.base|) (+ main_~head~0.offset 4)))) (<= (select |#length| |main_#t~mem15.base|) 8) (= main_~head~0.offset 0)), 65680#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 65683#(and (<= main_~x~0.offset 0) (or (not (= main_~head~0.offset main_~x~0.offset)) (not (= 1 |main_#t~mem13|))) (= main_~head~0.offset 0)), 65682#(and (or (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (not (= main_~head~0.offset main_~x~0.offset))) (or (<= main_~x~0.offset 0) (<= (select |#length| main_~x~0.base) 8)) (= main_~head~0.offset 0)), 65684#(and (<= main_~x~0.offset 0) (= main_~head~0.offset 0) (not (= main_~head~0.offset main_~x~0.offset))), 65655#true, 65657#(= 0 |main_#t~malloc0.offset|), 65656#false, 65659#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 65658#(= main_~head~0.offset 0), 65661#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 65660#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 65663#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 65662#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:59:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 03:59:00,915 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:59:00,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:59:00,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:59:00,916 INFO L87 Difference]: Start difference. First operand 409 states and 436 transitions. Second operand 30 states. [2018-02-04 03:59:02,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:59:02,815 INFO L93 Difference]: Finished difference Result 387 states and 412 transitions. [2018-02-04 03:59:02,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:59:02,815 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 97 [2018-02-04 03:59:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:59:02,816 INFO L225 Difference]: With dead ends: 387 [2018-02-04 03:59:02,816 INFO L226 Difference]: Without dead ends: 382 [2018-02-04 03:59:02,816 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=503, Invalid=2803, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:59:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-02-04 03:59:02,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2018-02-04 03:59:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-02-04 03:59:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 405 transitions. [2018-02-04 03:59:02,819 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 405 transitions. Word has length 97 [2018-02-04 03:59:02,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:59:02,819 INFO L432 AbstractCegarLoop]: Abstraction has 381 states and 405 transitions. [2018-02-04 03:59:02,819 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:59:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 405 transitions. [2018-02-04 03:59:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:59:02,819 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:02,819 INFO L351 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-02-04 03:59:02,820 INFO L371 AbstractCegarLoop]: === Iteration 108 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1796210008, now seen corresponding path program 12 times [2018-02-04 03:59:02,820 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:02,841 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 03:59:03,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:03,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:59:03,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:03,963 INFO L182 omatonBuilderFactory]: Interpolants [66509#true, 66511#(= 1 (select |#valid| main_~head~0.base)), 66510#false, 66513#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 66512#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 66515#(and (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 66514#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 66517#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 66516#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 66519#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 66518#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 66521#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66520#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~mem6.base|))), 66523#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 66522#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66525#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 66524#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 66527#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 66526#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 66529#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 66528#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 66531#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (or (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 66530#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 66533#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 66532#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 66535#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 66534#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 66537#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 66536#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 66539#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 66538#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 66541#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 66540#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 66542#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 03:59:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 03:59:03,964 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:59:03,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:59:03,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:59:03,964 INFO L87 Difference]: Start difference. First operand 381 states and 405 transitions. Second operand 34 states. [2018-02-04 03:59:06,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:59:06,095 INFO L93 Difference]: Finished difference Result 394 states and 415 transitions. [2018-02-04 03:59:06,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:59:06,095 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 97 [2018-02-04 03:59:06,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:59:06,095 INFO L225 Difference]: With dead ends: 394 [2018-02-04 03:59:06,095 INFO L226 Difference]: Without dead ends: 394 [2018-02-04 03:59:06,096 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=524, Invalid=3508, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:59:06,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2018-02-04 03:59:06,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 381. [2018-02-04 03:59:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-02-04 03:59:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 403 transitions. [2018-02-04 03:59:06,097 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 403 transitions. Word has length 97 [2018-02-04 03:59:06,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:59:06,098 INFO L432 AbstractCegarLoop]: Abstraction has 381 states and 403 transitions. [2018-02-04 03:59:06,098 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:59:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 403 transitions. [2018-02-04 03:59:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 03:59:06,098 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:06,098 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:59:06,098 INFO L371 AbstractCegarLoop]: === Iteration 109 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:06,098 INFO L82 PathProgramCache]: Analyzing trace with hash 536816127, now seen corresponding path program 1 times [2018-02-04 03:59:06,099 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:06,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:06,760 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:06,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:59:06,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:06,760 INFO L182 omatonBuilderFactory]: Interpolants [67393#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 67392#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 67395#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)), 67394#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 67397#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 67396#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 67399#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0)) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 67398#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 67401#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))), 67400#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 67403#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))), 67402#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 67405#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (not (= |main_#t~mem20.offset| 0))), 67404#(or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))), 67407#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (not (= main_~head~0.offset 0))), 67406#(or (not (= main_~x~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 67409#(or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 67408#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (not (= main_~head~0.offset 0))), 67411#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 67410#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 67413#(or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))), 67412#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 67415#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 67414#(= main_~x~0.offset 0), 67379#false, 67378#true, 67381#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 67380#(= 1 (select |#valid| main_~head~0.base)), 67383#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 67382#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 67385#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 67384#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 67387#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|))), 67386#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 67389#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 67388#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 67391#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 67390#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))] [2018-02-04 03:59:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:06,760 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:59:06,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:59:06,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1274, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:59:06,761 INFO L87 Difference]: Start difference. First operand 381 states and 403 transitions. Second operand 38 states. [2018-02-04 03:59:08,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:59:08,112 INFO L93 Difference]: Finished difference Result 402 states and 422 transitions. [2018-02-04 03:59:08,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:59:08,112 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 98 [2018-02-04 03:59:08,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:59:08,113 INFO L225 Difference]: With dead ends: 402 [2018-02-04 03:59:08,113 INFO L226 Difference]: Without dead ends: 402 [2018-02-04 03:59:08,113 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=415, Invalid=3745, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:59:08,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-02-04 03:59:08,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 388. [2018-02-04 03:59:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-02-04 03:59:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 413 transitions. [2018-02-04 03:59:08,115 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 413 transitions. Word has length 98 [2018-02-04 03:59:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:59:08,115 INFO L432 AbstractCegarLoop]: Abstraction has 388 states and 413 transitions. [2018-02-04 03:59:08,115 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:59:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 413 transitions. [2018-02-04 03:59:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 03:59:08,116 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:08,116 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:59:08,116 INFO L371 AbstractCegarLoop]: === Iteration 110 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:08,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1004005721, now seen corresponding path program 4 times [2018-02-04 03:59:08,116 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:08,124 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:08,781 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:08,781 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:59:08,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:08,782 INFO L182 omatonBuilderFactory]: Interpolants [68289#(or (not (= 0 main_~head~0.offset)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 68288#(or (not (= 0 main_~head~0.offset)) (and (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 68291#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 68290#(or (not (= 0 main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 68293#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 68292#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 68294#(= 1 (select |#valid| main_~x~0.base)), 68261#false, 68260#true, 68263#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 68262#(= 1 (select |#valid| main_~head~0.base)), 68265#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 68264#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 68267#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 68266#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 68269#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 68268#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 68271#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.offset|)), 68270#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 68273#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 68272#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 68275#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 68274#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 68277#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 68276#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 68279#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 68278#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 68281#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 68280#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 68283#(or (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68282#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 68285#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 68284#(or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68287#(or (not (= 0 main_~x~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 68286#(or (not (= 0 |main_#t~mem20.offset|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))))] [2018-02-04 03:59:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:08,782 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:59:08,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:59:08,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1078, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:59:08,783 INFO L87 Difference]: Start difference. First operand 388 states and 413 transitions. Second operand 35 states. [2018-02-04 03:59:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:59:10,221 INFO L93 Difference]: Finished difference Result 393 states and 417 transitions. [2018-02-04 03:59:10,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:59:10,222 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 99 [2018-02-04 03:59:10,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:59:10,222 INFO L225 Difference]: With dead ends: 393 [2018-02-04 03:59:10,222 INFO L226 Difference]: Without dead ends: 393 [2018-02-04 03:59:10,222 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=460, Invalid=3700, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:59:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-02-04 03:59:10,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 390. [2018-02-04 03:59:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-02-04 03:59:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 415 transitions. [2018-02-04 03:59:10,224 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 415 transitions. Word has length 99 [2018-02-04 03:59:10,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:59:10,224 INFO L432 AbstractCegarLoop]: Abstraction has 390 states and 415 transitions. [2018-02-04 03:59:10,224 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:59:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 415 transitions. [2018-02-04 03:59:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:59:10,225 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:10,225 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:59:10,225 INFO L371 AbstractCegarLoop]: === Iteration 111 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:10,225 INFO L82 PathProgramCache]: Analyzing trace with hash 484226559, now seen corresponding path program 5 times [2018-02-04 03:59:10,225 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:10,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:10,865 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:10,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:59:10,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:10,866 INFO L182 omatonBuilderFactory]: Interpolants [69139#false, 69138#true, 69141#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 69140#(= 1 (select |#valid| main_~head~0.base)), 69143#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 69142#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 69145#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 69144#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 69147#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|))), 69146#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 69149#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 69148#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 69151#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 69150#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 69153#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 69152#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 69155#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)), 69154#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))), 69157#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 69156#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 69159#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0)) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 69158#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 69161#(or (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69160#(or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69163#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69162#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 69165#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (not (= 0 |main_#t~mem20.offset|))), 69164#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))), 69167#(or (not (= 0 main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 69166#(or (not (= 0 main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 69169#(or (not (= 0 main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 69168#(or (not (= 0 main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 69171#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 69170#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 69173#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 69172#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 69175#(= main_~head~0.offset 0), 69174#(= 0 main_~x~0.offset)] [2018-02-04 03:59:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:10,866 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:59:10,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:59:10,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:59:10,866 INFO L87 Difference]: Start difference. First operand 390 states and 415 transitions. Second operand 38 states. [2018-02-04 03:59:12,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:59:12,297 INFO L93 Difference]: Finished difference Result 399 states and 420 transitions. [2018-02-04 03:59:12,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:59:12,297 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 100 [2018-02-04 03:59:12,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:59:12,298 INFO L225 Difference]: With dead ends: 399 [2018-02-04 03:59:12,298 INFO L226 Difference]: Without dead ends: 399 [2018-02-04 03:59:12,298 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=395, Invalid=3895, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:59:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-02-04 03:59:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 393. [2018-02-04 03:59:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-02-04 03:59:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 418 transitions. [2018-02-04 03:59:12,302 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 418 transitions. Word has length 100 [2018-02-04 03:59:12,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:59:12,302 INFO L432 AbstractCegarLoop]: Abstraction has 393 states and 418 transitions. [2018-02-04 03:59:12,302 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:59:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 418 transitions. [2018-02-04 03:59:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:59:12,303 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:12,303 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:59:12,303 INFO L371 AbstractCegarLoop]: === Iteration 112 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:12,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1518148935, now seen corresponding path program 5 times [2018-02-04 03:59:12,304 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:12,318 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:17,832 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:17,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-02-04 03:59:17,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:17,833 INFO L182 omatonBuilderFactory]: Interpolants [70025#false, 70024#true, 70027#(and (= |#valid| |old(#valid)|) (= 0 (select |#valid| 0))), 70026#(= 0 (select |#valid| 0)), 70029#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 70028#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 70031#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 70030#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 70033#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select |#valid| main_~x~0.base) 1)), 70032#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (not (= |main_#t~malloc4.base| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 70035#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 70034#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 70037#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= |old(#valid)| (store (store (store |#valid| |main_#t~malloc4.base| 0) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 70036#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 70039#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.offset|)), 70038#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 70041#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 70040#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 70043#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 70042#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (= (store (store (store (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |main_#t~malloc9.base| 0) |old(#valid)|)), 70045#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 70044#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base))), 70047#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70046#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 70049#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 70048#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 70051#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) 0) |old(#valid)|) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 70050#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 70053#(or (and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem15.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem15.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70052#(or (and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70055#(or (and (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70054#(or (and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70057#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (or (not (= 1 (select |#valid| main_~x~0.base))) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~x~0.base))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70056#(or (and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70059#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 70058#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))))), 70061#(or (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= |main_#t~mem20.base| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= |old(#valid)| (store (store (store (store |#valid| main_~head~0.base 0) |main_#t~mem20.base| 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))))) (not (= 0 |main_#t~mem20.offset|))), 70060#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= |old(#valid)| (store (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 70063#(or (not (= 0 main_~x~0.offset)) (and (= (store (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 70062#(or (not (= 0 main_~x~0.offset)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base)) (= (store (store (store (store |#valid| main_~head~0.base 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 70065#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base 0)) (not (= 0 |main_#t~mem20.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0) |main_#t~mem20.base| 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 70064#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base 0)) (= |old(#valid)| (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 70067#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) |old(#valid)|)), 70066#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base 0)) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 70069#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 70068#(and (not (= |main_#t~mem22.base| main_~x~0.base)) (not (= 0 |main_#t~mem22.base|)) (not (= 0 main_~x~0.base)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base 0) |old(#valid)|)), 70070#(= |#valid| |old(#valid)|)] [2018-02-04 03:59:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:17,833 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-02-04 03:59:17,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-02-04 03:59:17,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2029, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:59:17,834 INFO L87 Difference]: Start difference. First operand 393 states and 418 transitions. Second operand 47 states. [2018-02-04 03:59:19,118 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 136 DAG size of output 77 [2018-02-04 03:59:19,360 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 153 DAG size of output 86 [2018-02-04 03:59:20,983 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 163 DAG size of output 100 [2018-02-04 03:59:21,357 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 106 DAG size of output 91 [2018-02-04 03:59:22,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:59:22,670 INFO L93 Difference]: Finished difference Result 395 states and 419 transitions. [2018-02-04 03:59:22,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:59:22,670 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 101 [2018-02-04 03:59:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:59:22,671 INFO L225 Difference]: With dead ends: 395 [2018-02-04 03:59:22,671 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 03:59:22,671 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1457 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=409, Invalid=6233, Unknown=0, NotChecked=0, Total=6642 [2018-02-04 03:59:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 03:59:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-02-04 03:59:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-02-04 03:59:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 409 transitions. [2018-02-04 03:59:22,673 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 409 transitions. Word has length 101 [2018-02-04 03:59:22,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:59:22,673 INFO L432 AbstractCegarLoop]: Abstraction has 385 states and 409 transitions. [2018-02-04 03:59:22,673 INFO L433 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-02-04 03:59:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 409 transitions. [2018-02-04 03:59:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:59:22,673 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:59:22,673 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:59:22,673 INFO L371 AbstractCegarLoop]: === Iteration 113 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:59:22,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1918762784, now seen corresponding path program 7 times [2018-02-04 03:59:22,674 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:59:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:59:22,684 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:59:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:59:23,835 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:59:23,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-02-04 03:59:23,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:59:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:59:23,836 INFO L182 omatonBuilderFactory]: Interpolants [70921#true, 70923#(= 0 (select |#valid| 0)), 70922#false, 70925#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 70924#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 70927#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 70926#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0))), 70929#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 70928#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 70931#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 70930#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 70933#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 70932#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 70935#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 70934#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 70937#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 70936#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 70939#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 70938#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70941#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 70940#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 70943#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 70942#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base))), 70945#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70944#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70947#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 70946#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 70949#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 70948#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70951#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|))) (not (= 1 (select |#valid| 0))) (or (not (= main_~head~0.base |main_#t~mem15.base|)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 70950#(and (not (= 1 (select |#valid| 0))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base))), 70953#(and (not (= 1 (select |#valid| 0))) (or (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (= 1 (select |#valid| main_~x~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70952#(and (not (= 1 (select |#valid| 0))) (or (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70955#(and (not (= 1 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~x~0.base)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 70954#(and (not (= 1 (select |#valid| 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 70957#(and (not (= 1 (select |#valid| 0))) (not (= 0 main_~head~0.base)) (or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (not (= |main_#t~mem20.offset| 0)))), 70956#(and (not (= 1 (select |#valid| 0))) (or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (not (= 0 main_~head~0.base))), 70959#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base)))), 70958#(and (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (or (not (= main_~x~0.offset 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~head~0.base))), 70961#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.offset 0))) (not (= 0 main_~x~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 70960#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~x~0.base)) (= (select |#valid| main_~x~0.base) 1)), 70963#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base))), 70962#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base))), 70964#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:59:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:59:23,836 INFO L409 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-02-04 03:59:23,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-02-04 03:59:23,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1718, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:59:23,837 INFO L87 Difference]: Start difference. First operand 385 states and 409 transitions. Second operand 44 states. Received shutdown request... [2018-02-04 03:59:25,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:59:25,151 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:59:25,156 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:59:25,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:59:25 BoogieIcfgContainer [2018-02-04 03:59:25,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:59:25,157 INFO L168 Benchmark]: Toolchain (without parser) took 182441.84 ms. Allocated memory was 401.1 MB in the beginning and 1.3 GB in the end (delta: 901.8 MB). Free memory was 357.8 MB in the beginning and 723.7 MB in the end (delta: -365.9 MB). Peak memory consumption was 535.8 MB. Max. memory is 5.3 GB. [2018-02-04 03:59:25,158 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:59:25,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.91 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 345.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:59:25,159 INFO L168 Benchmark]: Boogie Preprocessor took 32.75 ms. Allocated memory is still 401.1 MB. Free memory was 345.9 MB in the beginning and 344.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 03:59:25,159 INFO L168 Benchmark]: RCFGBuilder took 353.96 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 311.4 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 5.3 GB. [2018-02-04 03:59:25,160 INFO L168 Benchmark]: TraceAbstraction took 181885.62 ms. Allocated memory was 401.1 MB in the beginning and 1.3 GB in the end (delta: 901.8 MB). Free memory was 311.4 MB in the beginning and 723.7 MB in the end (delta: -412.3 MB). Peak memory consumption was 489.5 MB. Max. memory is 5.3 GB. [2018-02-04 03:59:25,160 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.91 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 345.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.75 ms. Allocated memory is still 401.1 MB. Free memory was 345.9 MB in the beginning and 344.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 353.96 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 311.4 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 181885.62 ms. Allocated memory was 401.1 MB in the beginning and 1.3 GB in the end (delta: 901.8 MB). Free memory was 311.4 MB in the beginning and 723.7 MB in the end (delta: -412.3 MB). Peak memory consumption was 489.5 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 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (385states) and interpolant automaton (currently 23 states, 44 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 63 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 114 locations, 45 error locations. TIMEOUT Result, 181.8s OverallTime, 113 OverallIterations, 6 TraceHistogramMax, 128.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8045 SDtfs, 42963 SDslu, 102732 SDs, 0 SdLazy, 132791 SolverSat, 10021 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5457 GetRequests, 477 SyntacticMatches, 73 SemanticMatches, 4906 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55838 ImplicationChecksByTransitivity, 105.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 240/3765 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, 112 MinimizatonAttempts, 5067 StatesRemovedByMinimization, 109 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 50.2s InterpolantComputationTime, 7684 NumberOfCodeBlocks, 7684 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 7571 ConstructedInterpolants, 0 QuantifiedInterpolants, 18166049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 15 PerfectInterpolantSequences, 240/3765 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/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-59-25-169.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-59-25-169.csv Completed graceful shutdown