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/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:37:37,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:37:37,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:37:37,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:37:37,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:37:37,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:37:37,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:37:37,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:37:37,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:37:37,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:37:37,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:37:37,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:37:37,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:37:37,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:37:37,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:37:37,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:37:37,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:37:37,696 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:37:37,697 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:37:37,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:37:37,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 03:37:37,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:37:37,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:37:37,704 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 03:37:37,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:37:37,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:37:37,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:37:37,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:37:37,715 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:37:37,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:37:37,715 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:37:37,716 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:37:37,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:37:37,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:37:37,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:37:37,717 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:37:37,717 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:37:37,717 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:37:37,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:37:37,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:37:37,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:37:37,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:37:37,756 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:37:37,759 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:37:37,760 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:37:37,760 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:37:37,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:37:37,904 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:37:37,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:37:37,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:37:37,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:37:37,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:37:37,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:37:37" (1/1) ... [2018-02-04 03:37:37,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c42bb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:37, skipping insertion in model container [2018-02-04 03:37:37,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:37:37" (1/1) ... [2018-02-04 03:37:37,929 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:37:37,959 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:37:38,053 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:37:38,069 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:37:38,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38 WrapperNode [2018-02-04 03:37:38,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:37:38,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:37:38,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:37:38,077 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:37:38,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (1/1) ... [2018-02-04 03:37:38,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:37:38,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:37:38,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:37:38,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:37:38,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (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 03:37:38,142 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:37:38,142 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:37:38,142 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:37:38,143 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:37:38,143 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:37:38,143 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:37:38,143 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:37:38,143 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:37:38,143 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:37:38,144 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:37:38,502 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:37:38,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:37:38 BoogieIcfgContainer [2018-02-04 03:37:38,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:37:38,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:37:38,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:37:38,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:37:38,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:37:37" (1/3) ... [2018-02-04 03:37:38,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336b39b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:37:38, skipping insertion in model container [2018-02-04 03:37:38,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:37:38" (2/3) ... [2018-02-04 03:37:38,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336b39b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:37:38, skipping insertion in model container [2018-02-04 03:37:38,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:37:38" (3/3) ... [2018-02-04 03:37:38,507 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:37:38,512 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:37:38,517 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-02-04 03:37:38,540 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:37:38,540 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:37:38,541 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:37:38,541 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:37:38,541 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:37:38,541 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:37:38,541 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:37:38,541 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:37:38,542 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:37:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-02-04 03:37:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:37:38,561 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:38,561 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:38,561 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:38,564 INFO L82 PathProgramCache]: Analyzing trace with hash 115964591, now seen corresponding path program 1 times [2018-02-04 03:37:38,602 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:38,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:38,670 INFO 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 03:37:38,672 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:38,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:37:38,673 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:38,673 INFO 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 03:37:38,674 INFO L182 omatonBuilderFactory]: Interpolants [166#true, 167#false, 168#(= 1 (select |#valid| |main_#t~malloc0.base|)), 169#(= 1 (select |#valid| main_~null~0.base))] [2018-02-04 03:37:38,674 INFO 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 03:37:38,675 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:37:38,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:37:38,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:37:38,685 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2018-02-04 03:37:38,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:38,915 INFO L93 Difference]: Finished difference Result 182 states and 189 transitions. [2018-02-04 03:37:38,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:37:38,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:37:38,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:38,924 INFO L225 Difference]: With dead ends: 182 [2018-02-04 03:37:38,924 INFO L226 Difference]: Without dead ends: 179 [2018-02-04 03:37:38,925 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 03:37:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-02-04 03:37:38,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 160. [2018-02-04 03:37:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-02-04 03:37:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 167 transitions. [2018-02-04 03:37:38,953 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 167 transitions. Word has length 8 [2018-02-04 03:37:38,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:38,954 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 167 transitions. [2018-02-04 03:37:38,954 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:37:38,954 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 167 transitions. [2018-02-04 03:37:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:37:38,954 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:38,954 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:38,954 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:38,955 INFO L82 PathProgramCache]: Analyzing trace with hash 115964592, now seen corresponding path program 1 times [2018-02-04 03:37:38,956 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:38,969 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:39,014 INFO 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 03:37:39,015 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:39,015 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:37:39,015 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:39,015 INFO 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 03:37:39,016 INFO L182 omatonBuilderFactory]: Interpolants [514#true, 515#false, 516#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 517#(and (= (select |#length| main_~null~0.base) 12) (= main_~null~0.offset 0))] [2018-02-04 03:37:39,016 INFO 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 03:37:39,017 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:37:39,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:37:39,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:37:39,018 INFO L87 Difference]: Start difference. First operand 160 states and 167 transitions. Second operand 4 states. [2018-02-04 03:37:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:39,109 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2018-02-04 03:37:39,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:37:39,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:37:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:39,111 INFO L225 Difference]: With dead ends: 156 [2018-02-04 03:37:39,111 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 03:37:39,112 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 03:37:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 03:37:39,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-02-04 03:37:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:37:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2018-02-04 03:37:39,119 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 8 [2018-02-04 03:37:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:39,120 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2018-02-04 03:37:39,120 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:37:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2018-02-04 03:37:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 03:37:39,120 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:39,120 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:39,121 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:39,121 INFO L82 PathProgramCache]: Analyzing trace with hash 992494940, now seen corresponding path program 1 times [2018-02-04 03:37:39,122 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:39,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:39,158 INFO 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 03:37:39,158 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:39,158 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:37:39,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:39,159 INFO 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 03:37:39,159 INFO L182 omatonBuilderFactory]: Interpolants [832#true, 833#false, 834#(= 1 (select |#valid| |main_#t~malloc4.base|)), 835#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 03:37:39,159 INFO 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 03:37:39,159 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:37:39,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:37:39,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:37:39,160 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand 4 states. [2018-02-04 03:37:39,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:39,287 INFO L93 Difference]: Finished difference Result 162 states and 169 transitions. [2018-02-04 03:37:39,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:37:39,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-04 03:37:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:39,289 INFO L225 Difference]: With dead ends: 162 [2018-02-04 03:37:39,289 INFO L226 Difference]: Without dead ends: 162 [2018-02-04 03:37:39,289 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 03:37:39,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-02-04 03:37:39,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 150. [2018-02-04 03:37:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-02-04 03:37:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 157 transitions. [2018-02-04 03:37:39,295 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 157 transitions. Word has length 13 [2018-02-04 03:37:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:39,295 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 157 transitions. [2018-02-04 03:37:39,295 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:37:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 157 transitions. [2018-02-04 03:37:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 03:37:39,296 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:39,296 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:39,296 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:39,296 INFO L82 PathProgramCache]: Analyzing trace with hash 992494941, now seen corresponding path program 1 times [2018-02-04 03:37:39,297 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:39,309 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:39,345 INFO 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 03:37:39,346 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:39,346 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:37:39,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:39,346 INFO 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 03:37:39,346 INFO L182 omatonBuilderFactory]: Interpolants [1152#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 1153#(and (= main_~list~0.offset 0) (= (select |#length| main_~list~0.base) 12)), 1150#true, 1151#false] [2018-02-04 03:37:39,346 INFO 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 03:37:39,347 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:37:39,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:37:39,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:37:39,347 INFO L87 Difference]: Start difference. First operand 150 states and 157 transitions. Second operand 4 states. [2018-02-04 03:37:39,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:39,442 INFO L93 Difference]: Finished difference Result 162 states and 168 transitions. [2018-02-04 03:37:39,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:37:39,442 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-04 03:37:39,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:39,443 INFO L225 Difference]: With dead ends: 162 [2018-02-04 03:37:39,443 INFO L226 Difference]: Without dead ends: 162 [2018-02-04 03:37:39,444 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 03:37:39,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-02-04 03:37:39,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 154. [2018-02-04 03:37:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-02-04 03:37:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 161 transitions. [2018-02-04 03:37:39,451 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 161 transitions. Word has length 13 [2018-02-04 03:37:39,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:39,451 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 161 transitions. [2018-02-04 03:37:39,451 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:37:39,451 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 161 transitions. [2018-02-04 03:37:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 03:37:39,452 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:39,452 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:39,452 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1268132201, now seen corresponding path program 1 times [2018-02-04 03:37:39,454 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:39,474 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:39,517 INFO 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 03:37:39,517 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:39,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:37:39,517 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:39,518 INFO 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 03:37:39,518 INFO L182 omatonBuilderFactory]: Interpolants [1472#true, 1473#false, 1474#(= (select |#valid| main_~list~0.base) 1), 1475#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:37:39,518 INFO 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 03:37:39,518 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:37:39,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:37:39,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:37:39,519 INFO L87 Difference]: Start difference. First operand 154 states and 161 transitions. Second operand 4 states. [2018-02-04 03:37:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:39,652 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-02-04 03:37:39,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:37:39,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-02-04 03:37:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:39,654 INFO L225 Difference]: With dead ends: 152 [2018-02-04 03:37:39,654 INFO L226 Difference]: Without dead ends: 152 [2018-02-04 03:37:39,654 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 2 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 03:37:39,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-02-04 03:37:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 142. [2018-02-04 03:37:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 03:37:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 151 transitions. [2018-02-04 03:37:39,659 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 151 transitions. Word has length 21 [2018-02-04 03:37:39,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:39,660 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 151 transitions. [2018-02-04 03:37:39,660 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:37:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2018-02-04 03:37:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 03:37:39,660 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:39,660 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:39,661 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:39,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1268132202, now seen corresponding path program 1 times [2018-02-04 03:37:39,662 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:39,675 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:39,748 INFO 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 03:37:39,748 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:39,748 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:37:39,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:39,749 INFO 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 03:37:39,749 INFO L182 omatonBuilderFactory]: Interpolants [1776#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 1777#(and (= main_~end~0.offset 0) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 1778#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 1772#true, 1773#false, 1774#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 1775#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base)))] [2018-02-04 03:37:39,749 INFO 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 03:37:39,750 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:37:39,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:37:39,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:37:39,750 INFO L87 Difference]: Start difference. First operand 142 states and 151 transitions. Second operand 7 states. [2018-02-04 03:37:39,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:39,997 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2018-02-04 03:37:39,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:37:39,997 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-02-04 03:37:39,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:39,998 INFO L225 Difference]: With dead ends: 179 [2018-02-04 03:37:39,998 INFO L226 Difference]: Without dead ends: 179 [2018-02-04 03:37:39,998 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:37:39,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-02-04 03:37:40,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 153. [2018-02-04 03:37:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-02-04 03:37:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 165 transitions. [2018-02-04 03:37:40,003 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 165 transitions. Word has length 21 [2018-02-04 03:37:40,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:40,004 INFO L432 AbstractCegarLoop]: Abstraction has 153 states and 165 transitions. [2018-02-04 03:37:40,004 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:37:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2018-02-04 03:37:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 03:37:40,004 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:40,004 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] [2018-02-04 03:37:40,005 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:40,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1095666644, now seen corresponding path program 1 times [2018-02-04 03:37:40,006 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:40,017 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:40,046 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:40,046 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:37:40,046 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:40,046 INFO L182 omatonBuilderFactory]: Interpolants [2119#true, 2120#false, 2121#(= 1 (select |#valid| |main_#t~malloc9.base|)), 2122#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 2123#(= 1 (select |#valid| |main_#t~mem11.base|))] [2018-02-04 03:37:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:40,047 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:37:40,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:37:40,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:37:40,047 INFO L87 Difference]: Start difference. First operand 153 states and 165 transitions. Second operand 5 states. [2018-02-04 03:37:40,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:40,166 INFO L93 Difference]: Finished difference Result 198 states and 215 transitions. [2018-02-04 03:37:40,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:37:40,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-02-04 03:37:40,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:40,166 INFO L225 Difference]: With dead ends: 198 [2018-02-04 03:37:40,167 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 03:37:40,167 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 03:37:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 03:37:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 152. [2018-02-04 03:37:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-02-04 03:37:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 163 transitions. [2018-02-04 03:37:40,170 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 163 transitions. Word has length 23 [2018-02-04 03:37:40,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:40,170 INFO L432 AbstractCegarLoop]: Abstraction has 152 states and 163 transitions. [2018-02-04 03:37:40,170 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:37:40,170 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 163 transitions. [2018-02-04 03:37:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 03:37:40,171 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:40,171 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] [2018-02-04 03:37:40,171 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:40,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1095666643, now seen corresponding path program 1 times [2018-02-04 03:37:40,172 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:40,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:40,236 INFO 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 03:37:40,236 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:40,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:37:40,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:40,236 INFO 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 03:37:40,236 INFO L182 omatonBuilderFactory]: Interpolants [2480#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|))), 2481#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 2482#(and (= |main_#t~mem11.offset| 0) (= (select |#length| |main_#t~mem11.base|) 12)), 2478#true, 2479#false] [2018-02-04 03:37:40,237 INFO 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 03:37:40,237 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:37:40,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:37:40,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:37:40,237 INFO L87 Difference]: Start difference. First operand 152 states and 163 transitions. Second operand 5 states. [2018-02-04 03:37:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:40,399 INFO L93 Difference]: Finished difference Result 225 states and 242 transitions. [2018-02-04 03:37:40,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:37:40,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-02-04 03:37:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:40,400 INFO L225 Difference]: With dead ends: 225 [2018-02-04 03:37:40,400 INFO L226 Difference]: Without dead ends: 225 [2018-02-04 03:37:40,401 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 03:37:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-02-04 03:37:40,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 151. [2018-02-04 03:37:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-04 03:37:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2018-02-04 03:37:40,403 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 23 [2018-02-04 03:37:40,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:40,403 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2018-02-04 03:37:40,403 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:37:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2018-02-04 03:37:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 03:37:40,403 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:40,403 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] [2018-02-04 03:37:40,403 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:40,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1665799662, now seen corresponding path program 1 times [2018-02-04 03:37:40,404 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:40,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:40,489 INFO 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 03:37:40,489 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:40,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:37:40,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:40,490 INFO 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 03:37:40,490 INFO L182 omatonBuilderFactory]: Interpolants [2865#true, 2866#false, 2867#(= (select |#valid| main_~list~0.base) 1), 2868#(= (select |#valid| main_~end~0.base) 1), 2869#(and (= 1 (select |#valid| |main_#t~malloc9.base|)) (not (= main_~end~0.base |main_#t~malloc9.base|))), 2870#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 2871#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 2872#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 2873#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 03:37:40,490 INFO 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 03:37:40,490 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:37:40,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:37:40,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:37:40,490 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand 9 states. [2018-02-04 03:37:40,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:40,816 INFO L93 Difference]: Finished difference Result 159 states and 171 transitions. [2018-02-04 03:37:40,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:37:40,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-02-04 03:37:40,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:40,817 INFO L225 Difference]: With dead ends: 159 [2018-02-04 03:37:40,817 INFO L226 Difference]: Without dead ends: 159 [2018-02-04 03:37:40,817 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:37:40,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-04 03:37:40,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 150. [2018-02-04 03:37:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-02-04 03:37:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 160 transitions. [2018-02-04 03:37:40,819 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 160 transitions. Word has length 27 [2018-02-04 03:37:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:40,819 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 160 transitions. [2018-02-04 03:37:40,819 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:37:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2018-02-04 03:37:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 03:37:40,820 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:40,820 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] [2018-02-04 03:37:40,821 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1665799663, now seen corresponding path program 1 times [2018-02-04 03:37:40,822 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:40,833 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:40,951 INFO 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 03:37:40,951 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:40,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:37:40,951 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:40,951 INFO 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 03:37:40,951 INFO L182 omatonBuilderFactory]: Interpolants [3200#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3201#(and (= 12 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 3202#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 3193#true, 3194#false, 3195#(= (select |#valid| main_~list~0.base) 1), 3196#(= (select |#valid| main_~end~0.base) 1), 3197#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (not (= main_~end~0.base |main_#t~malloc9.base|))), 3198#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3199#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)))] [2018-02-04 03:37:40,952 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 03:37:40,952 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:37:40,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:37:40,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:37:40,952 INFO L87 Difference]: Start difference. First operand 150 states and 160 transitions. Second operand 10 states. [2018-02-04 03:37:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:41,297 INFO L93 Difference]: Finished difference Result 175 states and 188 transitions. [2018-02-04 03:37:41,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:37:41,297 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-02-04 03:37:41,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:41,298 INFO L225 Difference]: With dead ends: 175 [2018-02-04 03:37:41,298 INFO L226 Difference]: Without dead ends: 175 [2018-02-04 03:37:41,298 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:37:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-02-04 03:37:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 155. [2018-02-04 03:37:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-02-04 03:37:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2018-02-04 03:37:41,300 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 27 [2018-02-04 03:37:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:41,301 INFO L432 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2018-02-04 03:37:41,301 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:37:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2018-02-04 03:37:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:37:41,302 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:41,302 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:41,302 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:41,302 INFO L82 PathProgramCache]: Analyzing trace with hash 37442029, now seen corresponding path program 1 times [2018-02-04 03:37:41,303 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:41,315 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:41,338 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 03:37:41,338 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:41,339 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:37:41,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:41,339 INFO L182 omatonBuilderFactory]: Interpolants [3555#true, 3556#false, 3557#(= 1 (select |#valid| |main_#t~malloc18.base|)), 3558#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 3559#(= 1 (select |#valid| |main_#t~mem20.base|))] [2018-02-04 03:37:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:41,339 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:37:41,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:37:41,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:37:41,340 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand 5 states. [2018-02-04 03:37:41,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:41,477 INFO L93 Difference]: Finished difference Result 227 states and 245 transitions. [2018-02-04 03:37:41,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:37:41,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-02-04 03:37:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:41,478 INFO L225 Difference]: With dead ends: 227 [2018-02-04 03:37:41,478 INFO L226 Difference]: Without dead ends: 227 [2018-02-04 03:37:41,479 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 03:37:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-02-04 03:37:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 154. [2018-02-04 03:37:41,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-02-04 03:37:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2018-02-04 03:37:41,481 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 34 [2018-02-04 03:37:41,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:41,481 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2018-02-04 03:37:41,481 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:37:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2018-02-04 03:37:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:37:41,482 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:41,482 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:41,482 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:41,482 INFO L82 PathProgramCache]: Analyzing trace with hash 37442030, now seen corresponding path program 1 times [2018-02-04 03:37:41,483 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:41,492 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:41,530 INFO 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 03:37:41,530 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:41,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:37:41,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:41,531 INFO 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 03:37:41,531 INFO L182 omatonBuilderFactory]: Interpolants [3945#true, 3946#false, 3947#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|)), 3948#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3949#(and (= (select |#length| |main_#t~mem20.base|) 12) (= |main_#t~mem20.offset| 0))] [2018-02-04 03:37:41,531 INFO 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 03:37:41,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:37:41,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:37:41,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:37:41,531 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand 5 states. [2018-02-04 03:37:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:41,739 INFO L93 Difference]: Finished difference Result 254 states and 273 transitions. [2018-02-04 03:37:41,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:37:41,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-02-04 03:37:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:41,741 INFO L225 Difference]: With dead ends: 254 [2018-02-04 03:37:41,741 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 03:37:41,741 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 03:37:41,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 03:37:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 153. [2018-02-04 03:37:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-02-04 03:37:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2018-02-04 03:37:41,744 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 34 [2018-02-04 03:37:41,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:41,744 INFO L432 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2018-02-04 03:37:41,744 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:37:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2018-02-04 03:37:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:37:41,745 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:41,745 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:41,745 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:41,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1696437201, now seen corresponding path program 1 times [2018-02-04 03:37:41,746 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:41,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:41,783 INFO 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 03:37:41,783 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:41,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:37:41,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:41,784 INFO 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 03:37:41,784 INFO L182 omatonBuilderFactory]: Interpolants [4368#(= main_~null~0.offset main_~list~0.offset), 4369#(= main_~null~0.offset main_~end~0.offset), 4370#(not (= main_~end~0.base main_~null~0.base)), 4363#true, 4364#false, 4365#(= 0 |main_#t~malloc0.offset|), 4366#(= main_~null~0.offset 0), 4367#(= main_~null~0.offset |main_#t~malloc4.offset|)] [2018-02-04 03:37:41,784 INFO 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 03:37:41,784 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:37:41,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:37:41,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:37:41,785 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand 8 states. [2018-02-04 03:37:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:41,934 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-02-04 03:37:41,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:37:41,934 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-02-04 03:37:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:41,935 INFO L225 Difference]: With dead ends: 183 [2018-02-04 03:37:41,935 INFO L226 Difference]: Without dead ends: 183 [2018-02-04 03:37:41,935 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:37:41,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-02-04 03:37:41,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2018-02-04 03:37:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-02-04 03:37:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 162 transitions. [2018-02-04 03:37:41,937 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 162 transitions. Word has length 34 [2018-02-04 03:37:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:41,938 INFO L432 AbstractCegarLoop]: Abstraction has 153 states and 162 transitions. [2018-02-04 03:37:41,938 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:37:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2018-02-04 03:37:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 03:37:41,938 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:41,938 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] [2018-02-04 03:37:41,938 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:41,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1185742895, now seen corresponding path program 1 times [2018-02-04 03:37:41,940 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:41,948 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:42,022 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:42,023 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:37:42,023 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:42,023 INFO 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 03:37:42,023 INFO L182 omatonBuilderFactory]: Interpolants [4720#false, 4721#(and (= main_~null~0.offset (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset)) (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset))), 4722#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4723#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)), 4724#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)), 4719#true] [2018-02-04 03:37:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:42,024 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:37:42,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:37:42,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:37:42,024 INFO L87 Difference]: Start difference. First operand 153 states and 162 transitions. Second operand 6 states. [2018-02-04 03:37:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:42,222 INFO L93 Difference]: Finished difference Result 219 states and 232 transitions. [2018-02-04 03:37:42,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:37:42,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-02-04 03:37:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:42,223 INFO L225 Difference]: With dead ends: 219 [2018-02-04 03:37:42,223 INFO L226 Difference]: Without dead ends: 219 [2018-02-04 03:37:42,223 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:37:42,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-02-04 03:37:42,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 172. [2018-02-04 03:37:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-02-04 03:37:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 183 transitions. [2018-02-04 03:37:42,225 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 183 transitions. Word has length 36 [2018-02-04 03:37:42,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:42,226 INFO L432 AbstractCegarLoop]: Abstraction has 172 states and 183 transitions. [2018-02-04 03:37:42,226 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:37:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 183 transitions. [2018-02-04 03:37:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 03:37:42,226 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:42,227 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:42,227 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:42,227 INFO L82 PathProgramCache]: Analyzing trace with hash -280280401, now seen corresponding path program 1 times [2018-02-04 03:37:42,228 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:42,240 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:42,373 INFO 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 03:37:42,373 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:42,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-02-04 03:37:42,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:42,374 INFO 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 03:37:42,374 INFO L182 omatonBuilderFactory]: Interpolants [5124#true, 5125#false, 5126#(= (select |#valid| main_~list~0.base) 1), 5127#(= (select |#valid| main_~end~0.base) 1), 5128#(not (= main_~end~0.base |main_#t~malloc9.base|)), 5129#(not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5130#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5131#(and (= 1 (select |#valid| |main_#t~malloc18.base|)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 5132#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5133#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 5134#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5135#(= 1 (select |#valid| |main_#t~mem22.base|))] [2018-02-04 03:37:42,374 INFO 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 03:37:42,374 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:37:42,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:37:42,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:37:42,375 INFO L87 Difference]: Start difference. First operand 172 states and 183 transitions. Second operand 12 states. [2018-02-04 03:37:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:42,718 INFO L93 Difference]: Finished difference Result 171 states and 182 transitions. [2018-02-04 03:37:42,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:37:42,718 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-02-04 03:37:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:42,719 INFO L225 Difference]: With dead ends: 171 [2018-02-04 03:37:42,719 INFO L226 Difference]: Without dead ends: 171 [2018-02-04 03:37:42,719 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:37:42,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-02-04 03:37:42,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-02-04 03:37:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-04 03:37:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2018-02-04 03:37:42,722 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 38 [2018-02-04 03:37:42,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:42,722 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2018-02-04 03:37:42,722 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:37:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2018-02-04 03:37:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 03:37:42,723 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:42,723 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:42,723 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:42,723 INFO L82 PathProgramCache]: Analyzing trace with hash -280280400, now seen corresponding path program 1 times [2018-02-04 03:37:42,724 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:42,737 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:42,846 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 03:37:42,846 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:42,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-02-04 03:37:42,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:42,847 INFO 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 03:37:42,847 INFO L182 omatonBuilderFactory]: Interpolants [5504#(not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5505#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5506#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (not (= main_~end~0.base |main_#t~malloc18.base|))), 5507#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5508#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 5509#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5510#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 5511#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 5499#true, 5500#false, 5501#(= (select |#valid| main_~list~0.base) 1), 5502#(= (select |#valid| main_~end~0.base) 1), 5503#(not (= main_~end~0.base |main_#t~malloc9.base|))] [2018-02-04 03:37:42,847 INFO 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 03:37:42,847 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:37:42,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:37:42,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:37:42,848 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand 13 states. [2018-02-04 03:37:43,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:43,221 INFO L93 Difference]: Finished difference Result 166 states and 177 transitions. [2018-02-04 03:37:43,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:37:43,221 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2018-02-04 03:37:43,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:43,222 INFO L225 Difference]: With dead ends: 166 [2018-02-04 03:37:43,222 INFO L226 Difference]: Without dead ends: 166 [2018-02-04 03:37:43,222 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:37:43,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-02-04 03:37:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 144. [2018-02-04 03:37:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-02-04 03:37:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 154 transitions. [2018-02-04 03:37:43,225 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 154 transitions. Word has length 38 [2018-02-04 03:37:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:43,225 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 154 transitions. [2018-02-04 03:37:43,225 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:37:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2018-02-04 03:37:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 03:37:43,226 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:43,226 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:43,226 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:43,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1035927253, now seen corresponding path program 1 times [2018-02-04 03:37:43,227 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:43,242 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:43,297 INFO 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 03:37:43,298 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:43,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:37:43,298 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:43,298 INFO 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 03:37:43,298 INFO L182 omatonBuilderFactory]: Interpolants [5856#(= ~unnamed0~BLACK |main_#t~mem28|), 5852#true, 5853#false, 5854#(= |main_#t~mem27| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 5855#(= ~unnamed0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))] [2018-02-04 03:37:43,298 INFO 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 03:37:43,299 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:37:43,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:37:43,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:37:43,299 INFO L87 Difference]: Start difference. First operand 144 states and 154 transitions. Second operand 5 states. [2018-02-04 03:37:43,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:43,367 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2018-02-04 03:37:43,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:37:43,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-02-04 03:37:43,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:43,367 INFO L225 Difference]: With dead ends: 148 [2018-02-04 03:37:43,367 INFO L226 Difference]: Without dead ends: 148 [2018-02-04 03:37:43,368 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:37:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-02-04 03:37:43,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 143. [2018-02-04 03:37:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 03:37:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 151 transitions. [2018-02-04 03:37:43,370 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 151 transitions. Word has length 38 [2018-02-04 03:37:43,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:43,370 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 151 transitions. [2018-02-04 03:37:43,370 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:37:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 151 transitions. [2018-02-04 03:37:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 03:37:43,371 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:43,371 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] [2018-02-04 03:37:43,371 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:43,371 INFO L82 PathProgramCache]: Analyzing trace with hash -712234699, now seen corresponding path program 1 times [2018-02-04 03:37:43,372 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:43,380 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:43,432 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:37:43,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:37:43,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:43,432 INFO 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 03:37:43,432 INFO L182 omatonBuilderFactory]: Interpolants [6150#true, 6151#false, 6152#(= 0 |main_#t~malloc0.offset|), 6153#(= main_~null~0.offset 0), 6154#(= main_~null~0.offset |main_#t~malloc4.offset|), 6155#(= main_~null~0.offset main_~list~0.offset), 6156#(and (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset main_~end~0.offset)), 6157#(not (= main_~list~0.base main_~null~0.base))] [2018-02-04 03:37:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:43,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:37:43,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:37:43,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:37:43,433 INFO L87 Difference]: Start difference. First operand 143 states and 151 transitions. Second operand 8 states. [2018-02-04 03:37:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:43,545 INFO L93 Difference]: Finished difference Result 155 states and 162 transitions. [2018-02-04 03:37:43,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:37:43,545 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-02-04 03:37:43,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:43,545 INFO L225 Difference]: With dead ends: 155 [2018-02-04 03:37:43,545 INFO L226 Difference]: Without dead ends: 155 [2018-02-04 03:37:43,546 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:37:43,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-02-04 03:37:43,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 142. [2018-02-04 03:37:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 03:37:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2018-02-04 03:37:43,548 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 40 [2018-02-04 03:37:43,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:43,548 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2018-02-04 03:37:43,548 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:37:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2018-02-04 03:37:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-02-04 03:37:43,549 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:43,549 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] [2018-02-04 03:37:43,549 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:43,549 INFO L82 PathProgramCache]: Analyzing trace with hash -274127070, now seen corresponding path program 1 times [2018-02-04 03:37:43,550 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:43,557 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:43,616 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 03:37:43,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:43,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:37:43,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:43,617 INFO 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 03:37:43,617 INFO L182 omatonBuilderFactory]: Interpolants [6467#true, 6468#false, 6469#(= ~unnamed0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6470#(and (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem27|) (= ~unnamed0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 6471#(= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6472#(= |main_#t~mem28| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6473#(not (= ~unnamed0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 6474#(not (= ~unnamed0~RED |main_#t~mem32|))] [2018-02-04 03:37:43,617 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 03:37:43,617 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:37:43,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:37:43,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:37:43,618 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand 8 states. [2018-02-04 03:37:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:43,830 INFO L93 Difference]: Finished difference Result 168 states and 175 transitions. [2018-02-04 03:37:43,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:37:43,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2018-02-04 03:37:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:43,831 INFO L225 Difference]: With dead ends: 168 [2018-02-04 03:37:43,831 INFO L226 Difference]: Without dead ends: 168 [2018-02-04 03:37:43,831 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:37:43,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-02-04 03:37:43,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 139. [2018-02-04 03:37:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-02-04 03:37:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 145 transitions. [2018-02-04 03:37:43,834 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 145 transitions. Word has length 43 [2018-02-04 03:37:43,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:43,834 INFO L432 AbstractCegarLoop]: Abstraction has 139 states and 145 transitions. [2018-02-04 03:37:43,834 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:37:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-02-04 03:37:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:37:43,835 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:43,835 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] [2018-02-04 03:37:43,835 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:43,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2117147924, now seen corresponding path program 1 times [2018-02-04 03:37:43,836 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:43,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:43,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:43,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:37:43,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:43,942 INFO 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 03:37:43,942 INFO L182 omatonBuilderFactory]: Interpolants [6800#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 6801#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0)) (= main_~null~0.offset |main_#t~malloc4.offset|)), 6802#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base))), 6803#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~null~0.offset main_~end~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~null~0.base))), 6804#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base main_~null~0.base))), 6805#(= (select |#valid| main_~null~0.base) 1), 6796#true, 6797#false, 6798#(= 0 |main_#t~malloc0.offset|), 6799#(= main_~null~0.offset 0)] [2018-02-04 03:37:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:43,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:37:43,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:37:43,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:37:43,943 INFO L87 Difference]: Start difference. First operand 139 states and 145 transitions. Second operand 10 states. [2018-02-04 03:37:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:44,269 INFO L93 Difference]: Finished difference Result 165 states and 173 transitions. [2018-02-04 03:37:44,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:37:44,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 46 [2018-02-04 03:37:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:44,272 INFO L225 Difference]: With dead ends: 165 [2018-02-04 03:37:44,272 INFO L226 Difference]: Without dead ends: 165 [2018-02-04 03:37:44,272 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:37:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-04 03:37:44,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 143. [2018-02-04 03:37:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 03:37:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2018-02-04 03:37:44,275 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 46 [2018-02-04 03:37:44,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:44,275 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2018-02-04 03:37:44,275 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:37:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2018-02-04 03:37:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:37:44,276 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:44,276 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, 1, 1] [2018-02-04 03:37:44,276 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:44,276 INFO L82 PathProgramCache]: Analyzing trace with hash 2117147951, now seen corresponding path program 1 times [2018-02-04 03:37:44,277 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:44,284 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:44,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:44,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:37:44,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:44,363 INFO 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 03:37:44,363 INFO L182 omatonBuilderFactory]: Interpolants [7136#(and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset)), 7128#true, 7129#false, 7130#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 7131#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 7132#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7133#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 7134#(and (= main_~null~0.base |main_#t~mem35.base|) (= main_~null~0.offset |main_#t~mem35.offset|)), 7135#(and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:37:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:44,364 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:37:44,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:37:44,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:37:44,364 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand 9 states. [2018-02-04 03:37:44,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:44,599 INFO L93 Difference]: Finished difference Result 190 states and 200 transitions. [2018-02-04 03:37:44,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:37:44,600 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2018-02-04 03:37:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:44,600 INFO L225 Difference]: With dead ends: 190 [2018-02-04 03:37:44,600 INFO L226 Difference]: Without dead ends: 190 [2018-02-04 03:37:44,601 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:37:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-02-04 03:37:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 156. [2018-02-04 03:37:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:37:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2018-02-04 03:37:44,602 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 46 [2018-02-04 03:37:44,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:44,603 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2018-02-04 03:37:44,603 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:37:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2018-02-04 03:37:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 03:37:44,603 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:44,603 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] [2018-02-04 03:37:44,603 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:44,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1235335724, now seen corresponding path program 1 times [2018-02-04 03:37:44,604 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:44,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:44,826 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:44,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-04 03:37:44,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:44,827 INFO 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 03:37:44,827 INFO L182 omatonBuilderFactory]: Interpolants [7504#(and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|) (not (= main_~list~0.base main_~null~0.base))), 7505#(and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)), 7506#(and (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (not (= 0 main_~null~0.base))), 7496#true, 7497#false, 7498#(= |#valid| |old(#valid)|), 7499#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 7500#(and (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 7501#(and (or (= main_~null~0.base |main_#t~malloc4.base|) (and (= (store (store |#valid| |main_#t~malloc4.base| 0) main_~null~0.base 0) |old(#valid)|) (not (= 0 main_~null~0.base)) (not (= |main_#t~malloc4.base| 0)))) (= main_~null~0.offset |main_#t~malloc4.offset|)), 7502#(and (or (and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset)), 7503#(and (or (and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:37:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:44,827 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:37:44,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:37:44,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:37:44,828 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand 11 states. [2018-02-04 03:37:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:45,284 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2018-02-04 03:37:45,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:37:45,285 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2018-02-04 03:37:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:45,285 INFO L225 Difference]: With dead ends: 170 [2018-02-04 03:37:45,285 INFO L226 Difference]: Without dead ends: 141 [2018-02-04 03:37:45,285 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:37:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-02-04 03:37:45,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2018-02-04 03:37:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-02-04 03:37:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 147 transitions. [2018-02-04 03:37:45,287 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 147 transitions. Word has length 48 [2018-02-04 03:37:45,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:45,287 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 147 transitions. [2018-02-04 03:37:45,287 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:37:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2018-02-04 03:37:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 03:37:45,287 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:45,287 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:45,288 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:45,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1324187243, now seen corresponding path program 1 times [2018-02-04 03:37:45,288 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:45,300 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:45,588 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 03:37:45,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:45,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:37:45,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:45,589 INFO 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 03:37:45,589 INFO L182 omatonBuilderFactory]: Interpolants [7840#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 7841#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= |main_#t~malloc9.offset| main_~list~0.offset)), 7842#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 7843#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 7844#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 7845#(and (= |main_#t~mem13.offset| main_~list~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 7846#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 7847#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 7848#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 7849#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7850#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 7851#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7852#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 7853#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (= 1 (select |#valid| |main_#t~mem31.base|))), 7854#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 7855#(= 1 (select |#valid| main_~end~0.base)), 7835#true, 7836#false, 7837#(= 0 |main_#t~malloc4.offset|), 7838#(= 0 main_~list~0.offset), 7839#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 03:37:45,589 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 03:37:45,590 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:37:45,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:37:45,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:37:45,590 INFO L87 Difference]: Start difference. First operand 140 states and 147 transitions. Second operand 21 states. [2018-02-04 03:37:46,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:46,632 INFO L93 Difference]: Finished difference Result 250 states and 263 transitions. [2018-02-04 03:37:46,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:37:46,632 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-02-04 03:37:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:46,633 INFO L225 Difference]: With dead ends: 250 [2018-02-04 03:37:46,633 INFO L226 Difference]: Without dead ends: 250 [2018-02-04 03:37:46,633 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=489, Invalid=1581, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:37:46,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-02-04 03:37:46,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 182. [2018-02-04 03:37:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-04 03:37:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 193 transitions. [2018-02-04 03:37:46,636 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 193 transitions. Word has length 61 [2018-02-04 03:37:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:46,636 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 193 transitions. [2018-02-04 03:37:46,636 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:37:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 193 transitions. [2018-02-04 03:37:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 03:37:46,636 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:46,636 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:46,636 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:46,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1324187244, now seen corresponding path program 1 times [2018-02-04 03:37:46,637 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:46,646 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:46,984 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 03:37:46,984 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:46,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:37:46,984 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:46,984 INFO 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 03:37:46,984 INFO L182 omatonBuilderFactory]: Interpolants [8352#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| main_~end~0.base))) (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|))), 8353#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| main_~end~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8354#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 8355#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 8356#(or (and (= 0 |main_#t~mem31.offset|) (<= 12 (select |#length| |main_#t~mem31.base|))) (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|))), 8357#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))), 8358#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base))), 8338#true, 8339#false, 8340#(= 0 |main_#t~malloc4.offset|), 8341#(= 0 main_~list~0.offset), 8342#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 8343#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8344#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= |main_#t~malloc9.offset| main_~list~0.offset)), 8345#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8346#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset))), 8347#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 8348#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= |main_#t~mem13.offset| main_~list~0.offset)), 8349#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 8350#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 0 main_~end~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 8351#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| main_~end~0.base))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))] [2018-02-04 03:37:46,984 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 03:37:46,985 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:37:46,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:37:46,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:37:46,985 INFO L87 Difference]: Start difference. First operand 182 states and 193 transitions. Second operand 21 states. [2018-02-04 03:37:48,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:48,221 INFO L93 Difference]: Finished difference Result 250 states and 264 transitions. [2018-02-04 03:37:48,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:37:48,221 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-02-04 03:37:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:48,222 INFO L225 Difference]: With dead ends: 250 [2018-02-04 03:37:48,222 INFO L226 Difference]: Without dead ends: 250 [2018-02-04 03:37:48,222 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=431, Invalid=1549, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:37:48,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-02-04 03:37:48,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 185. [2018-02-04 03:37:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 03:37:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2018-02-04 03:37:48,224 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 61 [2018-02-04 03:37:48,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:48,224 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2018-02-04 03:37:48,224 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:37:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2018-02-04 03:37:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 03:37:48,225 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:48,225 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:48,225 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:48,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1908066703, now seen corresponding path program 2 times [2018-02-04 03:37:48,225 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:48,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:48,658 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:48,658 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:37:48,658 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:48,659 INFO L182 omatonBuilderFactory]: Interpolants [8842#true, 8843#false, 8844#(= 0 |main_#t~malloc4.offset|), 8845#(= 0 main_~list~0.offset), 8846#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 8847#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8848#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= |main_#t~malloc9.offset| main_~list~0.offset)), 8849#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8850#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 8851#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 8852#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem13.offset| main_~list~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 8853#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 8854#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 8855#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem26.offset|) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 8856#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8857#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 8858#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 8859#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 8860#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))), 8861#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 8862#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)), 8863#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:37:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:48,659 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:37:48,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:37:48,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:37:48,660 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand 22 states. [2018-02-04 03:37:49,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:49,636 INFO L93 Difference]: Finished difference Result 258 states and 272 transitions. [2018-02-04 03:37:49,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:37:49,636 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 67 [2018-02-04 03:37:49,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:49,637 INFO L225 Difference]: With dead ends: 258 [2018-02-04 03:37:49,637 INFO L226 Difference]: Without dead ends: 258 [2018-02-04 03:37:49,638 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=1461, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:37:49,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-04 03:37:49,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 188. [2018-02-04 03:37:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-02-04 03:37:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 199 transitions. [2018-02-04 03:37:49,639 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 199 transitions. Word has length 67 [2018-02-04 03:37:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:49,640 INFO L432 AbstractCegarLoop]: Abstraction has 188 states and 199 transitions. [2018-02-04 03:37:49,640 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:37:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 199 transitions. [2018-02-04 03:37:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:37:49,640 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:49,640 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, 1, 1, 1, 1, 1] [2018-02-04 03:37:49,640 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:49,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1627517579, now seen corresponding path program 1 times [2018-02-04 03:37:49,641 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:49,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:49,947 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:49,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:37:49,947 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:49,947 INFO 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 03:37:49,947 INFO L182 omatonBuilderFactory]: Interpolants [9352#true, 9353#false, 9354#(= 0 |main_#t~malloc4.offset|), 9355#(= 0 main_~list~0.offset), 9356#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 9357#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9358#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= |main_#t~malloc9.offset| main_~list~0.offset)), 9359#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9360#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 9361#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 9362#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem13.offset| main_~list~0.offset) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 9363#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 9364#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 9365#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem26.offset|) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 9366#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9367#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 9368#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 9369#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 9370#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))), 9371#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 9372#(and (= main_~null~0.offset |main_#t~mem29.offset|) (= main_~null~0.base |main_#t~mem29.base|)), 9373#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:37:49,947 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:49,947 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:37:49,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:37:49,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:37:49,948 INFO L87 Difference]: Start difference. First operand 188 states and 199 transitions. Second operand 22 states. [2018-02-04 03:37:50,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:50,932 INFO L93 Difference]: Finished difference Result 239 states and 250 transitions. [2018-02-04 03:37:50,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:37:50,932 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 69 [2018-02-04 03:37:50,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:50,932 INFO L225 Difference]: With dead ends: 239 [2018-02-04 03:37:50,933 INFO L226 Difference]: Without dead ends: 235 [2018-02-04 03:37:50,933 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=1532, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:37:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-02-04 03:37:50,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 187. [2018-02-04 03:37:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-02-04 03:37:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 197 transitions. [2018-02-04 03:37:50,935 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 197 transitions. Word has length 69 [2018-02-04 03:37:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:50,935 INFO L432 AbstractCegarLoop]: Abstraction has 187 states and 197 transitions. [2018-02-04 03:37:50,935 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:37:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 197 transitions. [2018-02-04 03:37:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:37:50,935 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:50,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:50,935 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:50,936 INFO L82 PathProgramCache]: Analyzing trace with hash -885165937, now seen corresponding path program 1 times [2018-02-04 03:37:50,936 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:50,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:51,191 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 03:37:51,191 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:51,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:37:51,191 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:51,192 INFO 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 03:37:51,192 INFO L182 omatonBuilderFactory]: Interpolants [9856#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 9857#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9858#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9859#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 9860#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 9861#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 9862#(= 1 (select |#valid| |main_#t~mem31.base|)), 9863#(= 1 (select |#valid| main_~end~0.base)), 9844#true, 9845#false, 9846#(= (select |#valid| main_~list~0.base) 1), 9847#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9848#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 9849#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 9850#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 9851#(and (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 9852#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 9853#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 9854#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 9855#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-02-04 03:37:51,192 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 03:37:51,192 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:37:51,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:37:51,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:37:51,193 INFO L87 Difference]: Start difference. First operand 187 states and 197 transitions. Second operand 20 states. [2018-02-04 03:37:51,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:51,946 INFO L93 Difference]: Finished difference Result 279 states and 293 transitions. [2018-02-04 03:37:51,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:37:51,947 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 70 [2018-02-04 03:37:51,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:51,947 INFO L225 Difference]: With dead ends: 279 [2018-02-04 03:37:51,947 INFO L226 Difference]: Without dead ends: 279 [2018-02-04 03:37:51,948 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=1181, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:37:51,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-02-04 03:37:51,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 228. [2018-02-04 03:37:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:37:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 241 transitions. [2018-02-04 03:37:51,950 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 241 transitions. Word has length 70 [2018-02-04 03:37:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:51,950 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 241 transitions. [2018-02-04 03:37:51,950 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:37:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 241 transitions. [2018-02-04 03:37:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 03:37:51,950 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:51,950 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:51,950 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:51,951 INFO L82 PathProgramCache]: Analyzing trace with hash -885165936, now seen corresponding path program 1 times [2018-02-04 03:37:51,951 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:51,960 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:52,388 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 03:37:52,388 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:52,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:37:52,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:52,388 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 03:37:52,389 INFO L182 omatonBuilderFactory]: Interpolants [10409#true, 10410#false, 10411#(= (select |#valid| main_~list~0.base) 1), 10412#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 10413#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 10414#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 10415#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| |main_#t~mem11.base|)) (= 1 (select |#valid| main_~end~0.base))), 10416#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 10417#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 10418#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 10419#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 10420#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 10421#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 10422#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))), 10423#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem22.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 10424#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 10425#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 10426#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 10427#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 10428#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 03:37:52,389 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 03:37:52,389 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:37:52,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:37:52,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:37:52,389 INFO L87 Difference]: Start difference. First operand 228 states and 241 transitions. Second operand 20 states. [2018-02-04 03:37:53,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:53,191 INFO L93 Difference]: Finished difference Result 278 states and 293 transitions. [2018-02-04 03:37:53,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:37:53,191 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 70 [2018-02-04 03:37:53,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:53,192 INFO L225 Difference]: With dead ends: 278 [2018-02-04 03:37:53,192 INFO L226 Difference]: Without dead ends: 278 [2018-02-04 03:37:53,192 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:37:53,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-02-04 03:37:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 231. [2018-02-04 03:37:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:37:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 244 transitions. [2018-02-04 03:37:53,194 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 244 transitions. Word has length 70 [2018-02-04 03:37:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:53,194 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 244 transitions. [2018-02-04 03:37:53,194 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:37:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 244 transitions. [2018-02-04 03:37:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:37:53,195 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:53,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:53,195 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:53,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1392661138, now seen corresponding path program 1 times [2018-02-04 03:37:53,195 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:53,202 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:53,398 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:53,398 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:37:53,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:53,398 INFO 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 03:37:53,399 INFO L182 omatonBuilderFactory]: Interpolants [10976#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0)), 10977#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0)), 10978#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)), 10979#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)), 10980#(not (= |main_#t~mem31.base| main_~null~0.base)), 10981#(not (= main_~end~0.base main_~null~0.base)), 10966#true, 10967#false, 10968#(= 0 |main_#t~malloc0.offset|), 10969#(= main_~null~0.offset 0), 10970#(and (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 10971#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 10972#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 10973#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 10974#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 10975#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 |main_#t~mem13.offset|) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|)))] [2018-02-04 03:37:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:37:53,399 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:37:53,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:37:53,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:37:53,399 INFO L87 Difference]: Start difference. First operand 231 states and 244 transitions. Second operand 16 states. [2018-02-04 03:37:53,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:53,882 INFO L93 Difference]: Finished difference Result 247 states and 259 transitions. [2018-02-04 03:37:53,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:37:53,882 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2018-02-04 03:37:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:53,883 INFO L225 Difference]: With dead ends: 247 [2018-02-04 03:37:53,883 INFO L226 Difference]: Without dead ends: 247 [2018-02-04 03:37:53,884 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:37:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-04 03:37:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2018-02-04 03:37:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:37:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 243 transitions. [2018-02-04 03:37:53,886 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 243 transitions. Word has length 73 [2018-02-04 03:37:53,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:53,886 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 243 transitions. [2018-02-04 03:37:53,886 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:37:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 243 transitions. [2018-02-04 03:37:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:37:53,887 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:53,887 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:53,887 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:53,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1740111253, now seen corresponding path program 2 times [2018-02-04 03:37:53,888 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:53,904 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:54,238 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:54,238 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:37:54,238 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:54,238 INFO 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 03:37:54,238 INFO L182 omatonBuilderFactory]: Interpolants [11488#true, 11489#false, 11490#(= (select |#valid| main_~list~0.base) 1), 11491#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 11492#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 11493#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 11494#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 11495#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 11496#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 11497#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 11498#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 1 (select |#valid| |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 11499#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11500#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base |main_#t~mem20.base|))), 11501#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 11502#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 11503#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 11504#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 11505#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 11506#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 11507#(= 1 (select |#valid| |main_#t~mem31.base|)), 11508#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:37:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:54,238 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:37:54,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:37:54,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:37:54,239 INFO L87 Difference]: Start difference. First operand 231 states and 243 transitions. Second operand 21 states. [2018-02-04 03:37:55,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:55,173 INFO L93 Difference]: Finished difference Result 289 states and 304 transitions. [2018-02-04 03:37:55,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:37:55,174 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 76 [2018-02-04 03:37:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:55,174 INFO L225 Difference]: With dead ends: 289 [2018-02-04 03:37:55,174 INFO L226 Difference]: Without dead ends: 289 [2018-02-04 03:37:55,175 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=287, Invalid=1519, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:37:55,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-02-04 03:37:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 235. [2018-02-04 03:37:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-02-04 03:37:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 249 transitions. [2018-02-04 03:37:55,178 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 249 transitions. Word has length 76 [2018-02-04 03:37:55,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:55,179 INFO L432 AbstractCegarLoop]: Abstraction has 235 states and 249 transitions. [2018-02-04 03:37:55,179 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:37:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 249 transitions. [2018-02-04 03:37:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 03:37:55,179 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:55,180 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:55,180 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:55,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1740111254, now seen corresponding path program 2 times [2018-02-04 03:37:55,181 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:55,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:55,595 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:55,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:37:55,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:55,595 INFO 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 03:37:55,596 INFO L182 omatonBuilderFactory]: Interpolants [12096#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 12097#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 12077#true, 12078#false, 12079#(= (select |#valid| main_~list~0.base) 1), 12080#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 12081#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 12082#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 12083#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 12084#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 12085#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 12086#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 12087#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 12088#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 12089#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 12090#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 12091#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 12092#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 12093#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 12094#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 12095#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-02-04 03:37:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:55,596 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:37:55,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:37:55,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:37:55,596 INFO L87 Difference]: Start difference. First operand 235 states and 249 transitions. Second operand 21 states. [2018-02-04 03:37:56,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:56,622 INFO L93 Difference]: Finished difference Result 295 states and 311 transitions. [2018-02-04 03:37:56,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:37:56,623 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 76 [2018-02-04 03:37:56,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:56,623 INFO L225 Difference]: With dead ends: 295 [2018-02-04 03:37:56,623 INFO L226 Difference]: Without dead ends: 295 [2018-02-04 03:37:56,624 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:37:56,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-02-04 03:37:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 237. [2018-02-04 03:37:56,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:37:56,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 251 transitions. [2018-02-04 03:37:56,627 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 251 transitions. Word has length 76 [2018-02-04 03:37:56,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:56,627 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 251 transitions. [2018-02-04 03:37:56,627 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:37:56,627 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 251 transitions. [2018-02-04 03:37:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:37:56,628 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:56,628 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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:56,628 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:56,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1723364401, now seen corresponding path program 1 times [2018-02-04 03:37:56,629 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:56,640 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:57,146 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 03:37:57,146 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:57,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:37:57,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:57,147 INFO 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 03:37:57,147 INFO L182 omatonBuilderFactory]: Interpolants [12672#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~list~0.offset |main_#t~mem13.offset|) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 12673#(and (not (= main_~list~0.base 0)) (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 12674#(and (not (= main_~list~0.base 0)) (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 12675#(and (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset main_~list~0.offset) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 12676#(and (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (not (= main_~list~0.base 0))), 12677#(and (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 12678#(and (or (and (= main_~end~0.base main_~list~0.base) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset main_~end~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 12679#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 12680#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~mem31.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 12681#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 12682#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 12683#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12684#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem35.base|))), 12685#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 12686#(= 1 (select |#valid| main_~end~0.base)), 12687#(= 1 (select |#valid| main_~list~0.base)), 12660#true, 12661#false, 12662#(= 0 |main_#t~malloc0.offset|), 12663#(= main_~null~0.offset 0), 12664#(and (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (= main_~null~0.offset |main_#t~malloc4.offset|)), 12665#(and (= main_~list~0.offset 0) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0))), 12666#(and (= main_~list~0.offset 0) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= (select |#valid| main_~list~0.base) 1)), 12667#(and (= main_~list~0.offset 0) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base))), 12668#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.offset |main_#t~malloc9.offset|) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|))), 12669#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 12670#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~list~0.base main_~end~0.base) (= main_~list~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 12671#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-02-04 03:37:57,147 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 03:37:57,147 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:37:57,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:37:57,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:37:57,148 INFO L87 Difference]: Start difference. First operand 237 states and 251 transitions. Second operand 28 states. [2018-02-04 03:37:58,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:58,208 INFO L93 Difference]: Finished difference Result 269 states and 286 transitions. [2018-02-04 03:37:58,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:37:58,208 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 77 [2018-02-04 03:37:58,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:58,209 INFO L225 Difference]: With dead ends: 269 [2018-02-04 03:37:58,209 INFO L226 Difference]: Without dead ends: 269 [2018-02-04 03:37:58,210 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=626, Invalid=2130, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:37:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-02-04 03:37:58,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 248. [2018-02-04 03:37:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-02-04 03:37:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 264 transitions. [2018-02-04 03:37:58,212 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 264 transitions. Word has length 77 [2018-02-04 03:37:58,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:58,212 INFO L432 AbstractCegarLoop]: Abstraction has 248 states and 264 transitions. [2018-02-04 03:37:58,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:37:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 264 transitions. [2018-02-04 03:37:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:37:58,212 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:58,212 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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:58,212 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:58,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1723364400, now seen corresponding path program 1 times [2018-02-04 03:37:58,213 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:58,219 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:37:58,319 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:58,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:37:58,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:58,319 INFO 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 03:37:58,319 INFO L182 omatonBuilderFactory]: Interpolants [13264#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base))), 13255#true, 13256#false, 13257#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 13258#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 13259#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13260#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13261#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13262#(and (<= 0 |main_#t~mem35.offset|) (<= (+ |main_#t~mem35.offset| 12) (select |#length| |main_#t~mem35.base|))), 13263#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-02-04 03:37:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:37:58,320 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:37:58,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:37:58,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:37:58,320 INFO L87 Difference]: Start difference. First operand 248 states and 264 transitions. Second operand 10 states. [2018-02-04 03:37:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:37:58,613 INFO L93 Difference]: Finished difference Result 296 states and 313 transitions. [2018-02-04 03:37:58,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:37:58,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2018-02-04 03:37:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:37:58,614 INFO L225 Difference]: With dead ends: 296 [2018-02-04 03:37:58,614 INFO L226 Difference]: Without dead ends: 296 [2018-02-04 03:37:58,614 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:37:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-02-04 03:37:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 252. [2018-02-04 03:37:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-02-04 03:37:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 269 transitions. [2018-02-04 03:37:58,616 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 269 transitions. Word has length 77 [2018-02-04 03:37:58,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:37:58,617 INFO L432 AbstractCegarLoop]: Abstraction has 252 states and 269 transitions. [2018-02-04 03:37:58,617 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:37:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2018-02-04 03:37:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:37:58,617 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:37:58,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:37:58,618 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:37:58,618 INFO L82 PathProgramCache]: Analyzing trace with hash -421815399, now seen corresponding path program 1 times [2018-02-04 03:37:58,618 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:37:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:37:58,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:37:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:59,053 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:37:59,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:37:59,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:37:59,054 INFO 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 03:37:59,054 INFO L182 omatonBuilderFactory]: Interpolants [13824#false, 13825#(= (select |#valid| main_~list~0.base) 1), 13826#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 13827#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 13828#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 13829#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 13830#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 13831#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 13832#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13833#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 1 (select |#valid| |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 13834#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 13835#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base |main_#t~mem20.base|))), 13836#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 13837#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 13838#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 13839#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 13840#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 13841#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 13842#(= 1 (select |#valid| |main_#t~mem29.base|)), 13843#(= 1 (select |#valid| main_~end~0.base)), 13823#true] [2018-02-04 03:37:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:37:59,054 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:37:59,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:37:59,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:37:59,055 INFO L87 Difference]: Start difference. First operand 252 states and 269 transitions. Second operand 21 states. [2018-02-04 03:38:00,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:00,036 INFO L93 Difference]: Finished difference Result 306 states and 325 transitions. [2018-02-04 03:38:00,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:38:00,036 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 78 [2018-02-04 03:38:00,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:00,037 INFO L225 Difference]: With dead ends: 306 [2018-02-04 03:38:00,037 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 03:38:00,037 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=277, Invalid=1445, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:38:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 03:38:00,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 259. [2018-02-04 03:38:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 03:38:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 277 transitions. [2018-02-04 03:38:00,039 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 277 transitions. Word has length 78 [2018-02-04 03:38:00,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:00,039 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 277 transitions. [2018-02-04 03:38:00,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 277 transitions. [2018-02-04 03:38:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:38:00,040 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:00,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:00,040 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:00,040 INFO L82 PathProgramCache]: Analyzing trace with hash -421815398, now seen corresponding path program 1 times [2018-02-04 03:38:00,041 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:00,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:00,460 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:00,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:00,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:00,460 INFO 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 03:38:00,461 INFO L182 omatonBuilderFactory]: Interpolants [14464#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 14465#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 14466#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 14467#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 14468#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 14469#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 14470#(and (= 0 |main_#t~mem29.offset|) (= 12 (select |#length| |main_#t~mem29.base|))), 14471#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 14451#true, 14452#false, 14453#(= (select |#valid| main_~list~0.base) 1), 14454#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 14455#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 14456#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 14457#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 14458#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 14459#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 14460#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14461#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 14462#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14463#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|)))] [2018-02-04 03:38:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:00,461 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:00,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:00,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:00,461 INFO L87 Difference]: Start difference. First operand 259 states and 277 transitions. Second operand 21 states. [2018-02-04 03:38:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:01,570 INFO L93 Difference]: Finished difference Result 311 states and 330 transitions. [2018-02-04 03:38:01,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:38:01,570 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 78 [2018-02-04 03:38:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:01,571 INFO L225 Difference]: With dead ends: 311 [2018-02-04 03:38:01,571 INFO L226 Difference]: Without dead ends: 311 [2018-02-04 03:38:01,572 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:38:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-02-04 03:38:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 261. [2018-02-04 03:38:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 03:38:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 278 transitions. [2018-02-04 03:38:01,575 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 278 transitions. Word has length 78 [2018-02-04 03:38:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:01,575 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 278 transitions. [2018-02-04 03:38:01,575 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 278 transitions. [2018-02-04 03:38:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:38:01,575 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:01,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:01,576 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:01,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1704168564, now seen corresponding path program 2 times [2018-02-04 03:38:01,577 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:01,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:01,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:01,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:38:01,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:01,648 INFO L182 omatonBuilderFactory]: Interpolants [15074#true, 15075#false, 15076#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 15077#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 15078#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15079#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 15080#(or (not (= |main_#t~mem35.base| main_~null~0.base)) (not (= main_~null~0.offset |main_#t~mem35.offset|))), 15081#(or (not (= main_~end~0.base main_~null~0.base)) (not (= main_~null~0.offset main_~end~0.offset))), 15082#(or (not (= main_~null~0.offset main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)))] [2018-02-04 03:38:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:01,648 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:38:01,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:38:01,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:38:01,649 INFO L87 Difference]: Start difference. First operand 261 states and 278 transitions. Second operand 9 states. [2018-02-04 03:38:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:01,968 INFO L93 Difference]: Finished difference Result 288 states and 305 transitions. [2018-02-04 03:38:01,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:38:01,969 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-02-04 03:38:01,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:01,969 INFO L225 Difference]: With dead ends: 288 [2018-02-04 03:38:01,970 INFO L226 Difference]: Without dead ends: 288 [2018-02-04 03:38:01,970 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:38:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-02-04 03:38:01,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 261. [2018-02-04 03:38:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 03:38:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 276 transitions. [2018-02-04 03:38:01,973 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 276 transitions. Word has length 79 [2018-02-04 03:38:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:01,973 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 276 transitions. [2018-02-04 03:38:01,973 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:38:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 276 transitions. [2018-02-04 03:38:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:38:01,974 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:01,974 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, 1, 1, 1, 1, 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 03:38:01,974 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:01,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1348332433, now seen corresponding path program 1 times [2018-02-04 03:38:01,975 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:01,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:02,236 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 03:38:02,237 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:02,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:02,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:02,237 INFO 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 03:38:02,237 INFO L182 omatonBuilderFactory]: Interpolants [15648#(= (select |#valid| main_~list~0.base) 1), 15649#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 15650#(and (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 15651#(and (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 15652#(and (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 15653#(and (not (= main_~list~0.base |main_#t~mem13.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15654#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base))), 15655#(= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 15656#(and (= main_~list~0.offset main_~end~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.base main_~end~0.base)), 15657#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 15658#(and (= (select |#length| main_~end~0.base) 12) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15659#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= (select |#length| main_~end~0.base) 12) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15660#(<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0), 15661#(and (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15662#(and (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15663#(<= main_~end~0.offset 0), 15664#(<= main_~list~0.offset 0), 15665#(and (<= 0 main_~list~0.offset) (<= main_~list~0.offset 0)), 15646#true, 15647#false] [2018-02-04 03:38:02,237 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 03:38:02,238 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:02,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:02,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:02,238 INFO L87 Difference]: Start difference. First operand 261 states and 276 transitions. Second operand 20 states. [2018-02-04 03:38:02,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:02,838 INFO L93 Difference]: Finished difference Result 289 states and 306 transitions. [2018-02-04 03:38:02,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:38:02,839 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 81 [2018-02-04 03:38:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:02,839 INFO L225 Difference]: With dead ends: 289 [2018-02-04 03:38:02,839 INFO L226 Difference]: Without dead ends: 289 [2018-02-04 03:38:02,840 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=1218, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:38:02,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-02-04 03:38:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 268. [2018-02-04 03:38:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-02-04 03:38:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 284 transitions. [2018-02-04 03:38:02,841 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 284 transitions. Word has length 81 [2018-02-04 03:38:02,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:02,842 INFO L432 AbstractCegarLoop]: Abstraction has 268 states and 284 transitions. [2018-02-04 03:38:02,842 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 284 transitions. [2018-02-04 03:38:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:38:02,842 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:02,843 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, 1, 1, 1, 1, 1, 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 03:38:02,843 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:02,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1151367293, now seen corresponding path program 1 times [2018-02-04 03:38:02,844 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:02,853 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:04,147 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 03:38:04,147 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:04,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:38:04,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:04,147 INFO 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 03:38:04,147 INFO L182 omatonBuilderFactory]: Interpolants [16259#true, 16260#false, 16261#(= 0 |main_#t~malloc0.offset|), 16262#(= main_~null~0.offset 0), 16263#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 16264#(and (or (= main_~null~0.base |main_#t~malloc4.base|) (and (= (select |#valid| main_~null~0.base) 1) (= 0 |main_#t~malloc4.offset|))) (not (= |main_#t~malloc4.base| 0)) (= main_~null~0.offset |main_#t~malloc4.offset|)), 16265#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (= main_~null~0.base main_~list~0.base) (and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)))), 16266#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)) (= main_~null~0.base main_~list~0.base)) (not (= main_~list~0.base 0))), 16267#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)) (= main_~null~0.base main_~list~0.base))), 16268#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base)) (= main_~list~0.offset |main_#t~malloc9.offset|) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (not (= main_~null~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)) (= main_~null~0.base main_~list~0.base))), 16269#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base main_~list~0.base))), 16270#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (= main_~null~0.base main_~list~0.base) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))))), 16271#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (= main_~null~0.base main_~list~0.base) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 16272#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= main_~null~0.offset 0) (= main_~list~0.offset |main_#t~mem13.offset|)) (= main_~null~0.base main_~list~0.base))), 16273#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~end~0.offset 0) (or (= main_~end~0.base main_~list~0.base) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)) (= main_~null~0.base main_~list~0.base))), 16274#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~end~0.offset 0) (or (and (= main_~end~0.base main_~list~0.base) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)) (= main_~null~0.base main_~list~0.base))), 16275#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~end~0.offset 0) (or (and (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)) (= main_~null~0.base main_~list~0.base))), 16276#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base)) (not (= main_~list~0.base 0))), 16277#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (or (= main_~end~0.base main_~null~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset main_~end~0.offset)), 16278#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~list~0.base main_~null~0.base))), 16279#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16280#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16281#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|) (not (= main_~list~0.base main_~null~0.base))), 16282#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 16283#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 16284#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (or (= main_~null~0.offset |main_#t~mem35.offset|) (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))))), 16285#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~end~0.offset))), 16286#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= main_~null~0.offset main_~end~0.offset) (not (= main_~end~0.base main_~null~0.base)))), 16287#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= main_~list~0.offset main_~null~0.offset) (not (= main_~list~0.base main_~null~0.base)))), 16288#(= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 16289#(= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem33.base|)), 16290#(= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)), 16291#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:38:04,148 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 03:38:04,148 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:38:04,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:38:04,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:38:04,148 INFO L87 Difference]: Start difference. First operand 268 states and 284 transitions. Second operand 33 states. [2018-02-04 03:38:06,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:06,603 INFO L93 Difference]: Finished difference Result 298 states and 316 transitions. [2018-02-04 03:38:06,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:38:06,603 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 82 [2018-02-04 03:38:06,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:06,604 INFO L225 Difference]: With dead ends: 298 [2018-02-04 03:38:06,604 INFO L226 Difference]: Without dead ends: 298 [2018-02-04 03:38:06,604 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=763, Invalid=3929, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 03:38:06,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-02-04 03:38:06,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 272. [2018-02-04 03:38:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-02-04 03:38:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 290 transitions. [2018-02-04 03:38:06,606 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 290 transitions. Word has length 82 [2018-02-04 03:38:06,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:06,606 INFO L432 AbstractCegarLoop]: Abstraction has 272 states and 290 transitions. [2018-02-04 03:38:06,606 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:38:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 290 transitions. [2018-02-04 03:38:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:38:06,607 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:06,607 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, 1, 1, 1, 1, 1, 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 03:38:06,607 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:06,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1151367292, now seen corresponding path program 1 times [2018-02-04 03:38:06,608 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:06,617 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:07,341 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 03:38:07,342 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:07,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:38:07,342 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:07,342 INFO 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 03:38:07,342 INFO L182 omatonBuilderFactory]: Interpolants [16934#true, 16935#false, 16936#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 16937#(and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)), 16938#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.base |main_#t~malloc4.base|) (= main_~null~0.offset |main_#t~malloc4.offset|)) (= 12 (select |#length| main_~null~0.base)))), 16939#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)))), 16940#(and (= 0 main_~null~0.offset) (= (select |#valid| main_~list~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)))), 16941#(and (= 0 main_~null~0.offset) (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)))), 16942#(and (= 0 main_~null~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base |main_#t~malloc9.base|) (= 0 |main_#t~malloc9.offset|)) (= 12 (select |#length| main_~null~0.base)))), 16943#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 16944#(and (= 0 main_~null~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~null~0.base)))), 16945#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)))), 16946#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (= 0 |main_#t~mem13.offset|) (= main_~null~0.base |main_#t~mem13.base|)))), 16947#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (= 12 (select |#length| main_~null~0.base)))), 16948#(and (= 0 main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= main_~list~0.base main_~end~0.base)), 16949#(and (= 0 main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 12 (select |#length| main_~null~0.base))), 16950#(and (= 0 main_~null~0.offset) (= 12 (select |#length| main_~null~0.base)) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16951#(and (= 0 main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 16952#(and (= 0 main_~null~0.offset) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|) (= 12 (select |#length| main_~null~0.base))), 16953#(and (= 0 main_~null~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= 12 (select |#length| main_~null~0.base))), 16954#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 16955#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))), 16956#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16957#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 16958#(and (= 0 |main_#t~mem33.offset|) (= 12 (select |#length| |main_#t~mem33.base|))), 16959#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 03:38:07,342 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 03:38:07,342 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:38:07,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:38:07,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:07,343 INFO L87 Difference]: Start difference. First operand 272 states and 290 transitions. Second operand 26 states. [2018-02-04 03:38:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:08,821 INFO L93 Difference]: Finished difference Result 355 states and 378 transitions. [2018-02-04 03:38:08,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:38:08,821 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-02-04 03:38:08,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:08,822 INFO L225 Difference]: With dead ends: 355 [2018-02-04 03:38:08,822 INFO L226 Difference]: Without dead ends: 355 [2018-02-04 03:38:08,822 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=706, Invalid=3076, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:38:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-02-04 03:38:08,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 296. [2018-02-04 03:38:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 03:38:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 322 transitions. [2018-02-04 03:38:08,825 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 322 transitions. Word has length 82 [2018-02-04 03:38:08,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:08,826 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 322 transitions. [2018-02-04 03:38:08,826 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:38:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 322 transitions. [2018-02-04 03:38:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:38:08,826 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:08,826 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 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 03:38:08,826 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:08,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1287269915, now seen corresponding path program 3 times [2018-02-04 03:38:08,827 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:08,838 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:09,278 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:09,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:38:09,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:09,278 INFO 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 03:38:09,279 INFO L182 omatonBuilderFactory]: Interpolants [17683#true, 17684#false, 17685#(= (select |#valid| main_~list~0.base) 1), 17686#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 17687#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 17688#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 17689#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 17690#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 17691#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 17692#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17693#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 17694#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17695#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 17696#(and (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 17697#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 17698#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17699#(and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem26.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17700#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 17701#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 17702#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 17703#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 17704#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 17705#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 17706#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 17707#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)), 17708#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:38:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:09,279 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:38:09,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:38:09,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:09,279 INFO L87 Difference]: Start difference. First operand 296 states and 322 transitions. Second operand 26 states. [2018-02-04 03:38:10,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:10,643 INFO L93 Difference]: Finished difference Result 357 states and 385 transitions. [2018-02-04 03:38:10,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:38:10,643 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-02-04 03:38:10,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:10,644 INFO L225 Difference]: With dead ends: 357 [2018-02-04 03:38:10,644 INFO L226 Difference]: Without dead ends: 357 [2018-02-04 03:38:10,645 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=277, Invalid=2479, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:38:10,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-02-04 03:38:10,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 300. [2018-02-04 03:38:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-02-04 03:38:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 326 transitions. [2018-02-04 03:38:10,647 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 326 transitions. Word has length 82 [2018-02-04 03:38:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:10,647 INFO L432 AbstractCegarLoop]: Abstraction has 300 states and 326 transitions. [2018-02-04 03:38:10,647 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:38:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 326 transitions. [2018-02-04 03:38:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:38:10,647 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:10,647 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, 1, 1, 1, 1, 1, 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 03:38:10,647 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:10,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1856009838, now seen corresponding path program 1 times [2018-02-04 03:38:10,648 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:10,658 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:38:11,077 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:11,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:38:11,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:11,077 INFO 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 03:38:11,077 INFO L182 omatonBuilderFactory]: Interpolants [18432#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 18433#(and (not (= main_~end~0.base main_~list~0.base)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| main_~list~0.base) 1)), 18434#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| main_~list~0.base) 1)), 18435#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~malloc18.base|)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 18436#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 18437#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))))), 18438#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 18439#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 18440#(and (not (= main_~end~0.base main_~list~0.base)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))))), 18441#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 18442#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 18443#(not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 18444#(not (= main_~null~0.base |main_#t~mem31.base|)), 18445#(not (= main_~null~0.base main_~end~0.base)), 18420#true, 18421#false, 18422#(= 0 |main_#t~malloc0.offset|), 18423#(= main_~null~0.offset 0), 18424#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 18425#(and (or (not (= main_~null~0.base |main_#t~malloc4.base|)) (= main_~null~0.offset |main_#t~malloc4.offset|)) (or (= main_~null~0.base |main_#t~malloc4.base|) (= (select |#valid| main_~null~0.base) 1))), 18426#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= (select |#valid| main_~null~0.base) 1)), 18427#(and (= (select |#valid| main_~null~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 18428#(and (= main_~end~0.base main_~list~0.base) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~null~0.base) 1))) (= (select |#valid| main_~end~0.base) 1)), 18429#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (not (= main_~null~0.base |main_#t~malloc9.base|))))), 18430#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 18431#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))] [2018-02-04 03:38:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:38:11,077 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:38:11,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:38:11,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:11,078 INFO L87 Difference]: Start difference. First operand 300 states and 326 transitions. Second operand 26 states. [2018-02-04 03:38:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:12,438 INFO L93 Difference]: Finished difference Result 341 states and 368 transitions. [2018-02-04 03:38:12,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:38:12,439 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-02-04 03:38:12,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:12,439 INFO L225 Difference]: With dead ends: 341 [2018-02-04 03:38:12,439 INFO L226 Difference]: Without dead ends: 341 [2018-02-04 03:38:12,440 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=578, Invalid=2178, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:38:12,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-02-04 03:38:12,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 300. [2018-02-04 03:38:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-02-04 03:38:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2018-02-04 03:38:12,442 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 82 [2018-02-04 03:38:12,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:12,442 INFO L432 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2018-02-04 03:38:12,442 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:38:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2018-02-04 03:38:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:38:12,442 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:12,442 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:12,443 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:12,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1810644321, now seen corresponding path program 2 times [2018-02-04 03:38:12,443 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:12,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:12,833 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 03:38:12,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:12,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:38:12,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:12,833 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 03:38:12,833 INFO L182 omatonBuilderFactory]: Interpolants [19141#true, 19142#false, 19143#(= (select |#valid| main_~list~0.base) 1), 19144#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 19145#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 19146#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 19147#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 19148#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 19149#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 19150#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19151#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 19152#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19153#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 19154#(and (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 19155#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 19156#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 19157#(and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem26.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 19158#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 19159#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 19160#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 19161#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 19162#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 19163#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 19164#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 19165#(and (= main_~null~0.offset |main_#t~mem29.offset|) (= main_~null~0.base |main_#t~mem29.base|)), 19166#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:38:12,834 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 03:38:12,834 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:38:12,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:38:12,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:12,834 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 26 states. [2018-02-04 03:38:14,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:14,096 INFO L93 Difference]: Finished difference Result 351 states and 377 transitions. [2018-02-04 03:38:14,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:38:14,097 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 84 [2018-02-04 03:38:14,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:14,097 INFO L225 Difference]: With dead ends: 351 [2018-02-04 03:38:14,097 INFO L226 Difference]: Without dead ends: 347 [2018-02-04 03:38:14,098 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=259, Invalid=2291, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:38:14,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-02-04 03:38:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 299. [2018-02-04 03:38:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 03:38:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 323 transitions. [2018-02-04 03:38:14,100 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 323 transitions. Word has length 84 [2018-02-04 03:38:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:14,100 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 323 transitions. [2018-02-04 03:38:14,100 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:38:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 323 transitions. [2018-02-04 03:38:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:38:14,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:14,100 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:14,101 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1165306578, now seen corresponding path program 2 times [2018-02-04 03:38:14,101 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:14,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:14,233 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:14,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:38:14,233 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:14,233 INFO 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 03:38:14,233 INFO L182 omatonBuilderFactory]: Interpolants [19872#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|)), 19873#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)), 19874#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 19875#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))), 19876#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 19877#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 19878#(and (= main_~null~0.base |main_#t~mem35.base|) (= main_~null~0.offset |main_#t~mem35.offset|)), 19879#(and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)), 19880#(and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset)), 19867#true, 19868#false, 19869#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 19870#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19871#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:38:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:14,234 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:38:14,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:38:14,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:38:14,234 INFO L87 Difference]: Start difference. First operand 299 states and 323 transitions. Second operand 14 states. [2018-02-04 03:38:14,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:14,818 INFO L93 Difference]: Finished difference Result 342 states and 361 transitions. [2018-02-04 03:38:14,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:38:14,818 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 85 [2018-02-04 03:38:14,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:14,819 INFO L225 Difference]: With dead ends: 342 [2018-02-04 03:38:14,819 INFO L226 Difference]: Without dead ends: 342 [2018-02-04 03:38:14,819 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:38:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-02-04 03:38:14,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 299. [2018-02-04 03:38:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 03:38:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 323 transitions. [2018-02-04 03:38:14,821 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 323 transitions. Word has length 85 [2018-02-04 03:38:14,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:14,821 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 323 transitions. [2018-02-04 03:38:14,822 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:38:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 323 transitions. [2018-02-04 03:38:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:38:14,822 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:14,822 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:14,822 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:14,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1374691198, now seen corresponding path program 1 times [2018-02-04 03:38:14,823 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:14,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:15,249 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:15,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:38:15,250 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:15,250 INFO 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 03:38:15,250 INFO L182 omatonBuilderFactory]: Interpolants [20544#false, 20545#(= (select |#valid| main_~list~0.base) 1), 20546#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 20547#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 20548#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 20549#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 20550#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 20551#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 20552#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 20553#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 20554#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 20555#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 20556#(and (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 20557#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 20558#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 20559#(and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem26.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 20560#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 20561#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 20562#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 20563#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 20564#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 20565#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem29.base|) |main_#t~mem29.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem29.base|) |main_#t~mem29.offset|))), 20566#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 20567#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)), 20568#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)), 20543#true] [2018-02-04 03:38:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:15,250 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:38:15,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:38:15,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:15,251 INFO L87 Difference]: Start difference. First operand 299 states and 323 transitions. Second operand 26 states. [2018-02-04 03:38:16,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:16,400 INFO L93 Difference]: Finished difference Result 331 states and 355 transitions. [2018-02-04 03:38:16,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:38:16,400 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 85 [2018-02-04 03:38:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:16,401 INFO L225 Difference]: With dead ends: 331 [2018-02-04 03:38:16,401 INFO L226 Difference]: Without dead ends: 331 [2018-02-04 03:38:16,401 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=237, Invalid=2115, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:38:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-02-04 03:38:16,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 298. [2018-02-04 03:38:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-02-04 03:38:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 322 transitions. [2018-02-04 03:38:16,403 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 322 transitions. Word has length 85 [2018-02-04 03:38:16,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:16,403 INFO L432 AbstractCegarLoop]: Abstraction has 298 states and 322 transitions. [2018-02-04 03:38:16,403 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:38:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 322 transitions. [2018-02-04 03:38:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:38:16,404 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:16,404 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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] [2018-02-04 03:38:16,404 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:16,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1849213201, now seen corresponding path program 3 times [2018-02-04 03:38:16,404 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:16,412 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:16,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:16,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:16,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:16,615 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 03:38:16,615 INFO L182 omatonBuilderFactory]: Interpolants [21248#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 21249#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 21250#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 21251#(and (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 21252#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 21253#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 21254#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 21255#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 21256#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 21257#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 21258#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 21259#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 21260#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 21261#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 21262#(= 1 (select |#valid| |main_#t~mem31.base|)), 21263#(= 1 (select |#valid| main_~end~0.base)), 21244#true, 21245#false, 21246#(= (select |#valid| main_~list~0.base) 1), 21247#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:38:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:16,615 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:16,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:16,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:16,616 INFO L87 Difference]: Start difference. First operand 298 states and 322 transitions. Second operand 20 states. [2018-02-04 03:38:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:17,340 INFO L93 Difference]: Finished difference Result 405 states and 437 transitions. [2018-02-04 03:38:17,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:38:17,340 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 86 [2018-02-04 03:38:17,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:17,341 INFO L225 Difference]: With dead ends: 405 [2018-02-04 03:38:17,341 INFO L226 Difference]: Without dead ends: 405 [2018-02-04 03:38:17,341 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=1076, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:38:17,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-02-04 03:38:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 340. [2018-02-04 03:38:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-02-04 03:38:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 368 transitions. [2018-02-04 03:38:17,344 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 368 transitions. Word has length 86 [2018-02-04 03:38:17,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:17,344 INFO L432 AbstractCegarLoop]: Abstraction has 340 states and 368 transitions. [2018-02-04 03:38:17,344 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 368 transitions. [2018-02-04 03:38:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:38:17,344 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:17,344 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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] [2018-02-04 03:38:17,344 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:17,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1849213202, now seen corresponding path program 2 times [2018-02-04 03:38:17,345 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:17,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:17,671 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:17,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:38:17,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:17,672 INFO 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 03:38:17,672 INFO L182 omatonBuilderFactory]: Interpolants [22048#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 22049#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| |main_#t~mem11.base|)) (= 1 (select |#valid| main_~end~0.base))), 22050#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 22051#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 22052#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 22053#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 22054#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 22055#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))), 22056#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))), 22057#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22058#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 22059#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22060#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 22061#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 22062#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 22043#true, 22044#false, 22045#(= (select |#valid| main_~list~0.base) 1), 22046#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 22047#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)))] [2018-02-04 03:38:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:17,672 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:38:17,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:38:17,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:38:17,672 INFO L87 Difference]: Start difference. First operand 340 states and 368 transitions. Second operand 20 states. [2018-02-04 03:38:18,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:18,508 INFO L93 Difference]: Finished difference Result 401 states and 432 transitions. [2018-02-04 03:38:18,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:18,509 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 86 [2018-02-04 03:38:18,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:18,509 INFO L225 Difference]: With dead ends: 401 [2018-02-04 03:38:18,509 INFO L226 Difference]: Without dead ends: 401 [2018-02-04 03:38:18,510 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=911, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:38:18,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-02-04 03:38:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 343. [2018-02-04 03:38:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-02-04 03:38:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 371 transitions. [2018-02-04 03:38:18,512 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 371 transitions. Word has length 86 [2018-02-04 03:38:18,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:18,512 INFO L432 AbstractCegarLoop]: Abstraction has 343 states and 371 transitions. [2018-02-04 03:38:18,512 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:38:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 371 transitions. [2018-02-04 03:38:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 03:38:18,512 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:18,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:18,513 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:18,513 INFO L82 PathProgramCache]: Analyzing trace with hash -2091469325, now seen corresponding path program 1 times [2018-02-04 03:38:18,513 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:18,520 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:18,874 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 03:38:18,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:18,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:38:18,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:18,874 INFO 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 03:38:18,875 INFO L182 omatonBuilderFactory]: Interpolants [22848#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 22849#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 22850#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22851#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22852#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 22853#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22854#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 22855#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~mem31.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 22856#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 22857#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 22858#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22859#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem35.base|))), 22860#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 22861#(= 1 (select |#valid| main_~end~0.base)), 22862#(= 1 (select |#valid| main_~list~0.base)), 22835#true, 22836#false, 22837#(not (= |main_#t~malloc4.base| 0)), 22838#(not (= main_~list~0.base 0)), 22839#(and (not (= main_~list~0.base 0)) (= (select |#valid| main_~list~0.base) 1)), 22840#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 22841#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc9.base|))), 22842#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 22843#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 22844#(and (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 22845#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 22846#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 22847#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc18.base|)))] [2018-02-04 03:38:18,875 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 03:38:18,875 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:38:18,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:38:18,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:38:18,875 INFO L87 Difference]: Start difference. First operand 343 states and 371 transitions. Second operand 28 states. [2018-02-04 03:38:19,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:19,720 INFO L93 Difference]: Finished difference Result 387 states and 417 transitions. [2018-02-04 03:38:19,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:38:19,720 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 86 [2018-02-04 03:38:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:19,721 INFO L225 Difference]: With dead ends: 387 [2018-02-04 03:38:19,721 INFO L226 Difference]: Without dead ends: 387 [2018-02-04 03:38:19,721 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=600, Invalid=2262, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 03:38:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-02-04 03:38:19,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 365. [2018-02-04 03:38:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 03:38:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 393 transitions. [2018-02-04 03:38:19,724 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 393 transitions. Word has length 86 [2018-02-04 03:38:19,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:19,724 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 393 transitions. [2018-02-04 03:38:19,725 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:38:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 393 transitions. [2018-02-04 03:38:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:38:19,725 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:19,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:19,725 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:19,726 INFO L82 PathProgramCache]: Analyzing trace with hash -741047966, now seen corresponding path program 1 times [2018-02-04 03:38:19,726 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:19,737 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:21,041 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:21,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 03:38:21,041 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:21,041 INFO 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 03:38:21,041 INFO L182 omatonBuilderFactory]: Interpolants [23680#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (= main_~null~0.base |main_#t~mem13.base|) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= 0 |main_#t~mem13.offset|) (= main_~null~0.offset 0)), 23681#(and (= main_~null~0.offset main_~list~0.offset) (or (and (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 23682#(and (or (and (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.base|))) (= main_~null~0.offset main_~list~0.offset)), 23683#(and (= main_~null~0.offset main_~list~0.offset) (or (and (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 23684#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 23685#(and (or (and (= main_~end~0.base main_~list~0.base) (or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~end~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset main_~end~0.offset)), 23686#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23687#(or (and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23688#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23689#(or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.offset|) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23690#(or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.offset) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23691#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23692#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23693#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset |main_#t~mem35.offset|))), 23694#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)))), 23695#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset))), 23696#(or (and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)))), 23697#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))), 23698#(and (= main_~null~0.base |main_#t~mem33.base|) (= main_~null~0.offset |main_#t~mem33.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))), 23699#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)), 23700#(not (= |main_#t~mem34.base| main_~null~0.base)), 23701#(not (= main_~list~0.base main_~null~0.base)), 23702#(or (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))), 23703#(= 1 (select |#valid| main_~null~0.base)), 23667#true, 23668#false, 23669#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 23670#(and (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 23671#(and (not (= 0 main_~null~0.base)) (not (= (select (store (select |#memory_$Pointer$.base| main_~null~0.base) (+ main_~null~0.offset 4) 0) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 23672#(and (not (= 0 main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= 0 |main_#t~malloc4.offset|) (= main_~null~0.offset |main_#t~malloc4.offset|)), 23673#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 23674#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~list~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 23675#(and (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~null~0.offset 0)), 23676#(and (= 0 |main_#t~malloc9.offset|) (= main_~list~0.offset |main_#t~malloc9.offset|) (or (= main_~null~0.base main_~end~0.base) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 23677#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 23678#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~list~0.base main_~end~0.base) (or (and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~null~0.base |main_#t~mem11.base|))) (or (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.base |main_#t~mem11.base|))) (= main_~null~0.base main_~end~0.base)) (= main_~list~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 23679#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~null~0.offset 0) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-02-04 03:38:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:21,042 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 03:38:21,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 03:38:21,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1230, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:38:21,042 INFO L87 Difference]: Start difference. First operand 365 states and 393 transitions. Second operand 37 states. [2018-02-04 03:38:24,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:24,507 INFO L93 Difference]: Finished difference Result 426 states and 455 transitions. [2018-02-04 03:38:24,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 03:38:24,507 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 87 [2018-02-04 03:38:24,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:24,508 INFO L225 Difference]: With dead ends: 426 [2018-02-04 03:38:24,508 INFO L226 Difference]: Without dead ends: 426 [2018-02-04 03:38:24,508 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1577 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1162, Invalid=5978, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:38:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-02-04 03:38:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 369. [2018-02-04 03:38:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-02-04 03:38:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 397 transitions. [2018-02-04 03:38:24,511 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 397 transitions. Word has length 87 [2018-02-04 03:38:24,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:24,511 INFO L432 AbstractCegarLoop]: Abstraction has 369 states and 397 transitions. [2018-02-04 03:38:24,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 03:38:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 397 transitions. [2018-02-04 03:38:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:38:24,512 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:24,512 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:24,512 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:24,512 INFO L82 PathProgramCache]: Analyzing trace with hash -741047939, now seen corresponding path program 1 times [2018-02-04 03:38:24,513 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:24,527 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:26,860 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:26,860 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 03:38:26,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:26,860 INFO 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 03:38:26,861 INFO L182 omatonBuilderFactory]: Interpolants [24595#true, 24596#false, 24597#(= (select |#valid| 0) 0), 24598#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= (select |#valid| 0) 0)), 24599#(and (not (= 0 main_~null~0.base)) (= (select |#valid| 0) 0) (= main_~null~0.offset 0)), 24600#(and (not (= 0 main_~null~0.base)) (= (select |#valid| 0) 0) (= main_~null~0.offset 0) (= 0 (select (store (select |#memory_$Pointer$.base| main_~null~0.base) (+ main_~null~0.offset 4) 0) main_~null~0.offset))), 24601#(and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (not (= |main_#t~malloc4.base| 0)) (= 0 |main_#t~malloc4.offset|) (= main_~null~0.offset |main_#t~malloc4.offset|)), 24602#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= main_~null~0.offset 0)), 24603#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (or (= main_~list~0.base main_~null~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0)))), 24604#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~null~0.base)) (or (= main_~null~0.base main_~end~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0))) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 24605#(and (= main_~list~0.offset main_~end~0.offset) (= 0 |main_#t~malloc9.offset|) (= main_~list~0.offset |main_#t~malloc9.offset|) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0) (not (= |main_#t~malloc9.base| 0)) (or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0)) (= main_~null~0.base main_~end~0.base))), 24606#(and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= main_~null~0.base main_~end~0.base) (and (= main_~list~0.offset main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 24607#(and (or (and (= main_~list~0.offset main_~end~0.offset) (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0)) (= main_~list~0.base main_~null~0.base) (= main_~null~0.base |main_#t~mem11.base|)) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~null~0.base |main_#t~mem11.base|))) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= main_~list~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 24608#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base main_~end~0.base) (and (= main_~list~0.offset main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0))) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset 0) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 24609#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= 0 |main_#t~mem13.offset|) (or (= main_~null~0.base main_~list~0.base) (= main_~null~0.base |main_#t~mem13.base|) (and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0))) (= main_~null~0.offset 0) (= main_~list~0.offset |main_#t~mem13.offset|)), 24610#(or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 24611#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem25|)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 24612#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 24613#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.base|))), 24614#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0))), 24615#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (or (= main_~null~0.base main_~list~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0))), 24616#(or (and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (or (= main_~end~0.base main_~null~0.base) (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))))) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24617#(or (and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24618#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24619#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24620#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.offset|) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24621#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.offset) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24622#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24623#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24624#(or (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset |main_#t~mem35.offset|))), 24625#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset main_~end~0.offset))), 24626#(or (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~null~0.offset 8))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= (select |#valid| 0) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0))), 24627#(or (and (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (not (= main_~null~0.offset main_~list~0.offset)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))))) (and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset))), 24628#(and (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (not (= main_~null~0.offset main_~list~0.offset)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))))), 24629#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= 1 |main_#t~mem32|) (= (select |#valid| 0) 0)) (not (= main_~null~0.offset main_~list~0.offset))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24630#(and (or (not (= main_~null~0.offset main_~list~0.offset)) (= 1 (select |#valid| 0))) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24631#(and (not (= 0 |main_#t~mem33.base|)) (not (= main_~list~0.base 0)) (= main_~null~0.base |main_#t~mem33.base|) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.offset |main_#t~mem33.offset|) (or (= 1 (select |#valid| 0)) (<= (+ main_~null~0.offset 1) main_~list~0.offset)) (= main_~null~0.offset 0) (<= main_~null~0.offset main_~list~0.offset)), 24632#(and (not (= main_~list~0.base 0)) (not (= 0 main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (<= (+ main_~null~0.offset 1) main_~list~0.offset)) (= main_~null~0.offset 0) (<= main_~null~0.offset main_~list~0.offset)), 24633#(and (not (= 0 main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| 0)) (= main_~null~0.offset 0)), 24634#(and (= 0 |main_#t~mem34.base|) (not (= 0 main_~end~0.base)) (= 1 (select |#valid| 0)) (= main_~null~0.offset 0)), 24635#(and (not (= 0 main_~end~0.base)) (= 1 (select |#valid| 0)) (= main_~null~0.offset 0) (= 0 main_~list~0.base)), 24636#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 24637#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 03:38:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:26,861 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 03:38:26,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 03:38:26,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1660, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:38:26,861 INFO L87 Difference]: Start difference. First operand 369 states and 397 transitions. Second operand 43 states. [2018-02-04 03:38:27,611 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 153 DAG size of output 59 [2018-02-04 03:38:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:31,941 INFO L93 Difference]: Finished difference Result 391 states and 418 transitions. [2018-02-04 03:38:31,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:38:31,941 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 87 [2018-02-04 03:38:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:31,942 INFO L225 Difference]: With dead ends: 391 [2018-02-04 03:38:31,942 INFO L226 Difference]: Without dead ends: 388 [2018-02-04 03:38:31,943 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1663 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1108, Invalid=6548, Unknown=0, NotChecked=0, Total=7656 [2018-02-04 03:38:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-02-04 03:38:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 357. [2018-02-04 03:38:31,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 03:38:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 384 transitions. [2018-02-04 03:38:31,945 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 384 transitions. Word has length 87 [2018-02-04 03:38:31,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:31,946 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 384 transitions. [2018-02-04 03:38:31,946 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 03:38:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 384 transitions. [2018-02-04 03:38:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:38:31,946 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:31,947 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:31,947 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:31,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1126824467, now seen corresponding path program 3 times [2018-02-04 03:38:31,947 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:31,955 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:33,327 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:33,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:38:33,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:33,327 INFO 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 03:38:33,327 INFO L182 omatonBuilderFactory]: Interpolants [25476#true, 25477#false, 25478#(= |#valid| |old(#valid)|), 25479#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 25480#(and (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 25481#(and (or (= main_~null~0.base |main_#t~malloc4.base|) (and (= (store (store |#valid| |main_#t~malloc4.base| 0) main_~null~0.base 0) |old(#valid)|) (not (= 0 main_~null~0.base)) (not (= |main_#t~malloc4.base| 0)))) (= main_~null~0.offset 0) (= main_~null~0.offset |main_#t~malloc4.offset|)), 25482#(and (or (and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset 0)), 25483#(and (or (and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 25484#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (or (= main_~null~0.base main_~list~0.base) (and (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 25485#(and (or (= main_~null~0.base |main_#t~malloc9.base|) (and (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |main_#t~malloc9.base| 0) |old(#valid)|) (not (= |main_#t~malloc9.base| 0))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 25486#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base main_~list~0.base) (and (= main_~list~0.offset main_~end~0.offset) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 25487#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base main_~list~0.base) (and (= main_~list~0.offset main_~end~0.offset) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 25488#(and (= main_~null~0.offset main_~list~0.offset) (= 0 |main_#t~mem13.offset|) (or (= main_~null~0.base main_~list~0.base) (= main_~null~0.base |main_#t~mem13.base|) (and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)))) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 25489#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)), 25490#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (or (and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset 0)), 25491#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))), 25492#(and (or (and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 25493#(and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (not (= main_~list~0.base main_~null~0.base))), 25494#(and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))), 25495#(and (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 25496#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (not (= main_~list~0.base |main_#t~mem35.base|)) (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |main_#t~mem35.base| 0) |old(#valid)|)), 25497#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (store (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) main_~end~0.base 0) |old(#valid)|)), 25498#(and (not (= main_~end~0.base 0)) (not (= 0 main_~null~0.base)) (= |old(#valid)| (store (store |#valid| main_~null~0.base 0) main_~end~0.base 0)) (not (= main_~end~0.base main_~null~0.base))), 25499#(and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|) (not (= main_~list~0.base main_~null~0.base))), 25500#(and (not (= main_~list~0.base 0)) (not (= 0 main_~null~0.base)) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)), 25501#(and (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (not (= 0 main_~null~0.base)))] [2018-02-04 03:38:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:33,327 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:38:33,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:38:33,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:38:33,328 INFO L87 Difference]: Start difference. First operand 357 states and 384 transitions. Second operand 26 states. [2018-02-04 03:38:34,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:34,774 INFO L93 Difference]: Finished difference Result 370 states and 396 transitions. [2018-02-04 03:38:34,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:38:34,774 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 87 [2018-02-04 03:38:34,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:34,775 INFO L225 Difference]: With dead ends: 370 [2018-02-04 03:38:34,775 INFO L226 Difference]: Without dead ends: 327 [2018-02-04 03:38:34,775 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=182, Invalid=1798, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:38:34,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-02-04 03:38:34,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-02-04 03:38:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-02-04 03:38:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 353 transitions. [2018-02-04 03:38:34,777 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 353 transitions. Word has length 87 [2018-02-04 03:38:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:34,778 INFO L432 AbstractCegarLoop]: Abstraction has 327 states and 353 transitions. [2018-02-04 03:38:34,778 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:38:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 353 transitions. [2018-02-04 03:38:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:38:34,778 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:34,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:34,779 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:34,779 INFO L82 PathProgramCache]: Analyzing trace with hash -322739275, now seen corresponding path program 1 times [2018-02-04 03:38:34,779 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:34,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:35,062 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:35,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:35,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:35,062 INFO 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 03:38:35,062 INFO L182 omatonBuilderFactory]: Interpolants [26240#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 26241#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 26242#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 26243#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 26244#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 26245#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 26246#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 26247#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 26248#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 26249#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 26250#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 26251#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem22.base|))), 26252#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 26253#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 26254#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 26255#(= 0 |main_#t~mem35.offset|), 26256#(= 0 main_~end~0.offset), 26257#(= main_~list~0.offset 0), 26237#true, 26238#false, 26239#(= (select |#valid| main_~list~0.base) 1)] [2018-02-04 03:38:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:38:35,062 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:35,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:35,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:35,063 INFO L87 Difference]: Start difference. First operand 327 states and 353 transitions. Second operand 21 states. [2018-02-04 03:38:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:35,747 INFO L93 Difference]: Finished difference Result 362 states and 391 transitions. [2018-02-04 03:38:35,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:38:35,748 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 90 [2018-02-04 03:38:35,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:35,748 INFO L225 Difference]: With dead ends: 362 [2018-02-04 03:38:35,749 INFO L226 Difference]: Without dead ends: 362 [2018-02-04 03:38:35,749 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=218, Invalid=1188, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:38:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-02-04 03:38:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 341. [2018-02-04 03:38:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-02-04 03:38:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 369 transitions. [2018-02-04 03:38:35,751 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 369 transitions. Word has length 90 [2018-02-04 03:38:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:35,751 INFO L432 AbstractCegarLoop]: Abstraction has 341 states and 369 transitions. [2018-02-04 03:38:35,751 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 369 transitions. [2018-02-04 03:38:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 03:38:35,752 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:35,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:35,752 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:35,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1414982689, now seen corresponding path program 1 times [2018-02-04 03:38:35,752 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:35,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:37,205 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 03:38:37,205 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:37,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:38:37,205 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:37,205 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 03:38:37,206 INFO L182 omatonBuilderFactory]: Interpolants [27008#(and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))) (= main_~null~0.base main_~list~0.base))), 27009#(and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (or (= main_~null~0.base main_~list~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0))))), 27010#(and (= main_~null~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 27011#(and (= main_~null~0.offset main_~list~0.offset) (= 0 |main_#t~malloc18.offset|) (= main_~null~0.offset 0) (or (= main_~null~0.base main_~list~0.base) (and (not (= main_~list~0.base 0)) (or (= main_~null~0.base |main_#t~malloc18.base|) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))))))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 27012#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1))) (not (= main_~list~0.base 0)))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 27013#(and (= main_~null~0.offset main_~list~0.offset) (or (and (not (= main_~list~0.base 0)) (or (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)) (and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~null~0.base)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)))))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem20.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 27014#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (and (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)))) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 27015#(and (= main_~null~0.offset main_~list~0.offset) (or (and (not (= main_~list~0.base 0)) (or (= main_~null~0.base |main_#t~mem22.base|) (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem22.base|))))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (= 0 |main_#t~mem22.offset|)), 27016#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (= main_~null~0.offset 0) (or (and (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base 0))) (= main_~null~0.base main_~list~0.base))), 27017#(and (or (= main_~null~0.base main_~list~0.base) (and (not (= main_~list~0.base 0)) (or (= main_~end~0.base main_~null~0.base) (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))))) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (= main_~null~0.offset 0)), 27018#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base))), 27019#(and (= main_~end~0.base main_~list~0.base) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 27020#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))), 27021#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 27022#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 27023#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|) (not (= main_~list~0.base main_~null~0.base))), 27024#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)), 27025#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 27026#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~null~0.base |main_#t~mem35.base|)) (not (= main_~list~0.base 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))), 27027#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~null~0.base main_~end~0.base))), 27028#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~null~0.base main_~end~0.base))), 27029#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~null~0.base main_~list~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 27030#(= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 27031#(= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem33.base|)), 27032#(= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)), 27033#(= 1 (select |#valid| main_~end~0.base)), 26995#true, 26996#false, 26997#(= 0 |main_#t~malloc0.offset|), 26998#(= main_~null~0.offset 0), 26999#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 27000#(and (or (= main_~null~0.base |main_#t~malloc4.base|) (and (= (select |#valid| main_~null~0.base) 1) (not (= |main_#t~malloc4.base| 0)))) (= main_~null~0.offset 0) (= main_~null~0.offset |main_#t~malloc4.offset|)), 27001#(and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (or (and (not (= main_~list~0.base 0)) (= (select |#valid| main_~null~0.base) 1)) (= main_~null~0.base main_~list~0.base))), 27002#(and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (or (and (not (= main_~list~0.base 0)) (= (select |#valid| main_~null~0.base) 1)) (= main_~null~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 27003#(and (or (and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~null~0.base) 1)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 27004#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~null~0.base |main_#t~malloc9.base|))) (= main_~null~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 27005#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27006#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (= main_~null~0.base main_~list~0.base)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0)), 27007#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0))] [2018-02-04 03:38:37,206 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 03:38:37,206 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:38:37,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:38:37,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:38:37,206 INFO L87 Difference]: Start difference. First operand 341 states and 369 transitions. Second operand 39 states. [2018-02-04 03:38:41,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:41,196 INFO L93 Difference]: Finished difference Result 357 states and 385 transitions. [2018-02-04 03:38:41,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-02-04 03:38:41,197 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 91 [2018-02-04 03:38:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:41,199 INFO L225 Difference]: With dead ends: 357 [2018-02-04 03:38:41,199 INFO L226 Difference]: Without dead ends: 357 [2018-02-04 03:38:41,199 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1757 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1193, Invalid=6639, Unknown=0, NotChecked=0, Total=7832 [2018-02-04 03:38:41,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-02-04 03:38:41,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 339. [2018-02-04 03:38:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-02-04 03:38:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 367 transitions. [2018-02-04 03:38:41,203 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 367 transitions. Word has length 91 [2018-02-04 03:38:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:41,203 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 367 transitions. [2018-02-04 03:38:41,203 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:38:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 367 transitions. [2018-02-04 03:38:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 03:38:41,203 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:41,204 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:41,204 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1910596759, now seen corresponding path program 4 times [2018-02-04 03:38:41,204 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:41,212 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:41,525 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:41,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:41,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:41,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:41,526 INFO 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 03:38:41,526 INFO L182 omatonBuilderFactory]: Interpolants [27840#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 27841#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27842#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))), 27843#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 27844#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 27845#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 27846#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 27847#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 27848#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 27849#(= 1 (select |#valid| |main_#t~mem31.base|)), 27850#(= 1 (select |#valid| main_~end~0.base)), 27830#true, 27831#false, 27832#(= (select |#valid| main_~list~0.base) 1), 27833#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 27834#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 27835#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 27836#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 27837#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 27838#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 27839#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:38:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:41,526 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:41,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:41,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:41,527 INFO L87 Difference]: Start difference. First operand 339 states and 367 transitions. Second operand 21 states. [2018-02-04 03:38:42,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:42,435 INFO L93 Difference]: Finished difference Result 396 states and 427 transitions. [2018-02-04 03:38:42,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:38:42,435 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2018-02-04 03:38:42,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:42,436 INFO L225 Difference]: With dead ends: 396 [2018-02-04 03:38:42,436 INFO L226 Difference]: Without dead ends: 396 [2018-02-04 03:38:42,436 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1241, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:38:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-02-04 03:38:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 343. [2018-02-04 03:38:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-02-04 03:38:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 373 transitions. [2018-02-04 03:38:42,439 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 373 transitions. Word has length 92 [2018-02-04 03:38:42,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:42,439 INFO L432 AbstractCegarLoop]: Abstraction has 343 states and 373 transitions. [2018-02-04 03:38:42,439 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 373 transitions. [2018-02-04 03:38:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 03:38:42,440 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:42,440 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:42,440 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:42,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1910596760, now seen corresponding path program 3 times [2018-02-04 03:38:42,440 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:42,450 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:42,810 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:42,810 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:42,810 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:42,810 INFO 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 03:38:42,811 INFO L182 omatonBuilderFactory]: Interpolants [28640#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 28641#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 28642#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 28643#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 28644#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 28645#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 28646#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 28626#true, 28627#false, 28628#(= (select |#valid| main_~list~0.base) 1), 28629#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 28630#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 28631#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 28632#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 28633#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 28634#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 28635#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 28636#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 28637#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 28638#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))), 28639#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|)))] [2018-02-04 03:38:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:42,811 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:42,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:42,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:42,811 INFO L87 Difference]: Start difference. First operand 343 states and 373 transitions. Second operand 21 states. [2018-02-04 03:38:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:43,743 INFO L93 Difference]: Finished difference Result 403 states and 435 transitions. [2018-02-04 03:38:43,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:43,744 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2018-02-04 03:38:43,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:43,744 INFO L225 Difference]: With dead ends: 403 [2018-02-04 03:38:43,744 INFO L226 Difference]: Without dead ends: 403 [2018-02-04 03:38:43,745 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=1084, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:38:43,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-02-04 03:38:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 345. [2018-02-04 03:38:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-02-04 03:38:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 375 transitions. [2018-02-04 03:38:43,748 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 375 transitions. Word has length 92 [2018-02-04 03:38:43,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:43,748 INFO L432 AbstractCegarLoop]: Abstraction has 345 states and 375 transitions. [2018-02-04 03:38:43,748 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 375 transitions. [2018-02-04 03:38:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 03:38:43,749 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:43,749 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2018-02-04 03:38:43,749 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:43,749 INFO L82 PathProgramCache]: Analyzing trace with hash 205998619, now seen corresponding path program 2 times [2018-02-04 03:38:43,750 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:43,763 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:44,039 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 03:38:44,039 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:44,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:44,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:44,040 INFO 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 03:38:44,040 INFO L182 omatonBuilderFactory]: Interpolants [29440#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 29441#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 29442#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 29443#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 29444#(= 1 (select |#valid| |main_#t~mem29.base|)), 29445#(= 1 (select |#valid| main_~end~0.base)), 29425#true, 29426#false, 29427#(= (select |#valid| main_~list~0.base) 1), 29428#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 29429#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 29430#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 29431#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 29432#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 29433#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 29434#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 29435#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 29436#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 29437#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))), 29438#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))), 29439#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))))] [2018-02-04 03:38:44,040 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 03:38:44,040 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:44,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:44,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:44,040 INFO L87 Difference]: Start difference. First operand 345 states and 375 transitions. Second operand 21 states. [2018-02-04 03:38:44,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:44,824 INFO L93 Difference]: Finished difference Result 404 states and 436 transitions. [2018-02-04 03:38:44,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:38:44,824 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 94 [2018-02-04 03:38:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:44,825 INFO L225 Difference]: With dead ends: 404 [2018-02-04 03:38:44,825 INFO L226 Difference]: Without dead ends: 404 [2018-02-04 03:38:44,826 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=1241, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:38:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-02-04 03:38:44,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 352. [2018-02-04 03:38:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-02-04 03:38:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 383 transitions. [2018-02-04 03:38:44,829 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 383 transitions. Word has length 94 [2018-02-04 03:38:44,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:44,830 INFO L432 AbstractCegarLoop]: Abstraction has 352 states and 383 transitions. [2018-02-04 03:38:44,830 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 383 transitions. [2018-02-04 03:38:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 03:38:44,830 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:44,830 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2018-02-04 03:38:44,831 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:44,831 INFO L82 PathProgramCache]: Analyzing trace with hash 205998620, now seen corresponding path program 1 times [2018-02-04 03:38:44,831 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:44,846 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:45,233 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 03:38:45,233 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:45,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:38:45,233 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:45,234 INFO 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 03:38:45,234 INFO L182 omatonBuilderFactory]: Interpolants [30240#(= (select |#valid| main_~list~0.base) 1), 30241#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 30242#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 30243#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 30244#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 30245#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 30246#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 30247#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 30248#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 30249#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 30250#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))), 30251#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))), 30252#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 30253#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 30254#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 30255#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 30256#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30257#(and (= 0 |main_#t~mem29.offset|) (= 12 (select |#length| |main_#t~mem29.base|))), 30258#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 30238#true, 30239#false] [2018-02-04 03:38:45,234 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 03:38:45,234 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:38:45,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:38:45,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:38:45,234 INFO L87 Difference]: Start difference. First operand 352 states and 383 transitions. Second operand 21 states. [2018-02-04 03:38:46,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:46,201 INFO L93 Difference]: Finished difference Result 410 states and 442 transitions. [2018-02-04 03:38:46,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:38:46,202 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 94 [2018-02-04 03:38:46,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:46,203 INFO L225 Difference]: With dead ends: 410 [2018-02-04 03:38:46,203 INFO L226 Difference]: Without dead ends: 410 [2018-02-04 03:38:46,203 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=1084, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:38:46,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-02-04 03:38:46,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 354. [2018-02-04 03:38:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-02-04 03:38:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 384 transitions. [2018-02-04 03:38:46,205 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 384 transitions. Word has length 94 [2018-02-04 03:38:46,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:46,206 INFO L432 AbstractCegarLoop]: Abstraction has 354 states and 384 transitions. [2018-02-04 03:38:46,206 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:38:46,206 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 384 transitions. [2018-02-04 03:38:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:38:46,206 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:46,206 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:46,206 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:46,206 INFO L82 PathProgramCache]: Analyzing trace with hash 119261353, now seen corresponding path program 1 times [2018-02-04 03:38:46,207 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:46,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:46,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:46,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:38:46,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:46,817 INFO 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 03:38:46,817 INFO L182 omatonBuilderFactory]: Interpolants [31053#true, 31054#false, 31055#(= 0 |main_#t~malloc4.offset|), 31056#(= 0 main_~list~0.offset), 31057#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 31058#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 31059#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 31060#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 31061#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 31062#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 31063#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 31064#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 31065#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 31066#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 31067#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 31068#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 31069#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 31070#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 31071#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 31072#(and (or (and (= |main_#t~malloc18.offset| main_~list~0.offset) (= |main_#t~malloc18.base| main_~list~0.base)) (and (not (= main_~list~0.base |main_#t~malloc18.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc18.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 31073#(and (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 31074#(and (or (and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))) (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 31075#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 31076#(or (and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset))), 31077#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 31078#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 31079#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 31080#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 31081#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 31082#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 31083#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (= 1 (select |#valid| |main_#t~mem31.base|))), 31084#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 31085#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:38:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:46,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:38:46,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:38:46,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=903, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:38:46,818 INFO L87 Difference]: Start difference. First operand 354 states and 384 transitions. Second operand 33 states. [2018-02-04 03:38:48,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:48,977 INFO L93 Difference]: Finished difference Result 479 states and 519 transitions. [2018-02-04 03:38:48,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:38:48,977 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-02-04 03:38:48,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:48,978 INFO L225 Difference]: With dead ends: 479 [2018-02-04 03:38:48,978 INFO L226 Difference]: Without dead ends: 479 [2018-02-04 03:38:48,978 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1548 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1184, Invalid=4516, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:38:48,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-02-04 03:38:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 395. [2018-02-04 03:38:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-02-04 03:38:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 428 transitions. [2018-02-04 03:38:48,982 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 428 transitions. Word has length 95 [2018-02-04 03:38:48,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:48,982 INFO L432 AbstractCegarLoop]: Abstraction has 395 states and 428 transitions. [2018-02-04 03:38:48,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:38:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 428 transitions. [2018-02-04 03:38:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:38:48,982 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:48,983 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:48,983 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:48,983 INFO L82 PathProgramCache]: Analyzing trace with hash 119261354, now seen corresponding path program 1 times [2018-02-04 03:38:48,983 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:48,993 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:50,110 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:50,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:38:50,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:50,110 INFO 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 03:38:50,111 INFO L182 omatonBuilderFactory]: Interpolants [32064#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 32065#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1)), 32066#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 32067#(and (= |main_#t~malloc18.offset| main_~list~0.offset) (= main_~null~0.offset 0) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 32068#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 32069#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= main_~null~0.offset 0) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 32070#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= main_~null~0.offset 0)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= main_~null~0.offset 0))), 32071#(or (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset) (= main_~null~0.offset 0)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem22.offset| main_~list~0.offset) (= main_~null~0.offset 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 32072#(or (and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0))), 32073#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0))), 32074#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem26.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))), 32075#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 32076#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 32077#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 32078#(and (= 0 |main_#t~mem31.offset|) (= main_~null~0.offset |main_#t~mem31.offset|) (or (<= 12 (select |#length| |main_#t~mem31.base|)) (= main_~null~0.base |main_#t~mem31.base|))), 32079#(or (and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))), 32080#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base))), 32046#true, 32047#false, 32048#(= 0 |main_#t~malloc0.offset|), 32049#(= main_~null~0.offset 0), 32050#(and (= main_~null~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 32051#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 32052#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 32053#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 32054#(and (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~null~0.offset |main_#t~malloc9.offset|) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 32055#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 32056#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 12 (select |#length| |main_#t~mem11.base|)) (= 1 (select |#valid| main_~end~0.base))), 32057#(and (= 12 (select |#length| |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 32058#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 32059#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 32060#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~malloc9.base|))), 32061#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 32062#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 32063#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)))] [2018-02-04 03:38:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:50,111 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:38:50,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:38:50,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=994, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:38:50,111 INFO L87 Difference]: Start difference. First operand 395 states and 428 transitions. Second operand 35 states. [2018-02-04 03:38:53,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:53,478 INFO L93 Difference]: Finished difference Result 481 states and 518 transitions. [2018-02-04 03:38:53,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 03:38:53,478 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 95 [2018-02-04 03:38:53,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:53,479 INFO L225 Difference]: With dead ends: 481 [2018-02-04 03:38:53,479 INFO L226 Difference]: Without dead ends: 481 [2018-02-04 03:38:53,480 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1326, Invalid=5316, Unknown=0, NotChecked=0, Total=6642 [2018-02-04 03:38:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-02-04 03:38:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 397. [2018-02-04 03:38:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-02-04 03:38:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 430 transitions. [2018-02-04 03:38:53,484 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 430 transitions. Word has length 95 [2018-02-04 03:38:53,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:53,484 INFO L432 AbstractCegarLoop]: Abstraction has 397 states and 430 transitions. [2018-02-04 03:38:53,484 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:38:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 430 transitions. [2018-02-04 03:38:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:38:53,485 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:53,485 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:53,485 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:53,486 INFO L82 PathProgramCache]: Analyzing trace with hash -873676947, now seen corresponding path program 2 times [2018-02-04 03:38:53,486 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:53,508 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:54,080 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:54,080 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:38:54,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:54,080 INFO 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 03:38:54,080 INFO L182 omatonBuilderFactory]: Interpolants [33053#true, 33054#false, 33055#(= 0 |main_#t~malloc4.offset|), 33056#(= 0 main_~list~0.offset), 33057#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 33058#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 33059#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 33060#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 33061#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 33062#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 33063#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 33064#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 33065#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 33066#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33067#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 33068#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 33069#(and (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 33070#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1)), 33071#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 33072#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (= |main_#t~malloc9.offset| main_~list~0.offset) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)))), 33073#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33074#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))))), 33075#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 33076#(or (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|)))), 33077#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 33078#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 33079#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 33080#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33081#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 33082#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33083#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (= 1 (select |#valid| |main_#t~mem31.base|))), 33084#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 33085#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:38:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:54,081 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:38:54,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:38:54,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=893, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:38:54,081 INFO L87 Difference]: Start difference. First operand 397 states and 430 transitions. Second operand 33 states. [2018-02-04 03:38:56,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:56,206 INFO L93 Difference]: Finished difference Result 520 states and 563 transitions. [2018-02-04 03:38:56,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:38:56,206 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-02-04 03:38:56,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:56,207 INFO L225 Difference]: With dead ends: 520 [2018-02-04 03:38:56,207 INFO L226 Difference]: Without dead ends: 520 [2018-02-04 03:38:56,207 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1384, Invalid=4778, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:38:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-02-04 03:38:56,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 439. [2018-02-04 03:38:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-02-04 03:38:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 476 transitions. [2018-02-04 03:38:56,211 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 476 transitions. Word has length 95 [2018-02-04 03:38:56,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:56,211 INFO L432 AbstractCegarLoop]: Abstraction has 439 states and 476 transitions. [2018-02-04 03:38:56,211 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:38:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 476 transitions. [2018-02-04 03:38:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 03:38:56,211 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:56,211 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:38:56,211 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:56,212 INFO L82 PathProgramCache]: Analyzing trace with hash -873676946, now seen corresponding path program 2 times [2018-02-04 03:38:56,212 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:56,223 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:38:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:56,869 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:38:56,869 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:38:56,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:38:56,870 INFO 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 03:38:56,870 INFO L182 omatonBuilderFactory]: Interpolants [34137#true, 34138#false, 34139#(= 0 |main_#t~malloc4.offset|), 34140#(= 0 main_~list~0.offset), 34141#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 34142#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 34143#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 34144#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 34145#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| |main_#t~mem11.base|)) (= 1 (select |#valid| main_~end~0.base))), 34146#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 34147#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 34148#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 34149#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 34150#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34151#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 34152#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 34153#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem22.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34154#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1)), 34155#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34156#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= |main_#t~malloc9.base| main_~list~0.base) (= |main_#t~malloc9.offset| main_~list~0.offset)) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))))), 34157#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34158#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)))))), 34159#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 34160#(or (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 34161#(or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 34162#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 34163#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 34164#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 34165#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34166#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 34167#(or (and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))) (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|))), 34168#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))), 34169#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 03:38:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:38:56,870 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:38:56,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:38:56,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=892, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:38:56,870 INFO L87 Difference]: Start difference. First operand 439 states and 476 transitions. Second operand 33 states. [2018-02-04 03:38:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:38:59,043 INFO L93 Difference]: Finished difference Result 563 states and 608 transitions. [2018-02-04 03:38:59,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:38:59,044 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-02-04 03:38:59,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:38:59,045 INFO L225 Difference]: With dead ends: 563 [2018-02-04 03:38:59,045 INFO L226 Difference]: Without dead ends: 563 [2018-02-04 03:38:59,045 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=905, Invalid=4065, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 03:38:59,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-02-04 03:38:59,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 464. [2018-02-04 03:38:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-02-04 03:38:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 503 transitions. [2018-02-04 03:38:59,048 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 503 transitions. Word has length 95 [2018-02-04 03:38:59,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:38:59,048 INFO L432 AbstractCegarLoop]: Abstraction has 464 states and 503 transitions. [2018-02-04 03:38:59,048 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:38:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 503 transitions. [2018-02-04 03:38:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:38:59,049 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:38:59,049 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, 1, 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 03:38:59,049 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:38:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash 748703366, now seen corresponding path program 1 times [2018-02-04 03:38:59,049 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:38:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:38:59,059 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:01,111 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:01,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 03:39:01,112 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:01,112 INFO 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 03:39:01,112 INFO L182 omatonBuilderFactory]: Interpolants [35273#true, 35274#false, 35275#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 35276#(and (not (= 0 main_~null~0.base)) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)), 35277#(and (not (= 0 main_~null~0.base)) (not (= (select (store (select |#memory_$Pointer$.base| main_~null~0.base) (+ main_~null~0.offset 4) 0) main_~null~0.offset) main_~null~0.base)) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)), 35278#(and (not (= 0 main_~null~0.base)) (or (= main_~null~0.base |main_#t~malloc4.base|) (= 12 (select |#length| main_~null~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.offset |main_#t~malloc4.offset|)), 35279#(and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 35280#(and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (= main_~null~0.offset main_~list~0.offset) (or (= main_~list~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 35281#(and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (or (= main_~list~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0)), 35282#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0) (or (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (not (= main_~null~0.base main_~end~0.base))) (not (= main_~null~0.base |main_#t~malloc9.base|)) (or (= main_~list~0.base main_~null~0.base) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~null~0.base) main_~null~0.offset) main_~null~0.base)))) (and (= main_~null~0.base |main_#t~malloc9.base|) (= main_~null~0.offset |main_#t~malloc9.offset|)))), 35283#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (not (= main_~null~0.base main_~end~0.base))) (or (= main_~list~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 35284#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= 0 main_~null~0.base)) (or (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (not (= main_~null~0.base main_~end~0.base))) (or (and (not (= main_~null~0.base |main_#t~mem11.base|)) (or (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~list~0.base main_~null~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.base main_~end~0.base))) (and (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0)), 35285#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (not (= main_~null~0.base main_~end~0.base))) (or (and (or (= main_~list~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.base main_~end~0.base)))) (= main_~null~0.offset 0)), 35286#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (and (not (= main_~null~0.base |main_#t~mem13.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~null~0.base main_~list~0.base))) (and (= main_~null~0.offset |main_#t~mem13.offset|) (= main_~null~0.base |main_#t~mem13.base|))) (= main_~null~0.offset 0)), 35287#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base main_~null~0.base)) (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~null~0.base main_~end~0.base))) (= main_~null~0.base main_~list~0.base)))) (= main_~null~0.offset 0)), 35288#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (= main_~end~0.offset main_~null~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base main_~null~0.base)) (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~null~0.base main_~end~0.base))) (= main_~null~0.base main_~list~0.base)))) (= main_~null~0.offset 0)), 35289#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (or (and (= main_~end~0.offset main_~null~0.offset) (= 0 |main_#t~malloc18.offset|) (= main_~end~0.base main_~null~0.base) (not (= main_~end~0.base |main_#t~malloc18.base|))) (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~null~0.base main_~end~0.base))))))), 35290#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (or (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (not (= main_~null~0.base main_~end~0.base))) (= main_~null~0.base main_~list~0.base))) (and (= main_~end~0.base main_~null~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~null~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 35291#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (and (or (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~null~0.base) main_~null~0.offset) main_~null~0.base)) (= main_~null~0.base |main_#t~mem20.base|)) (or (not (= main_~null~0.base |main_#t~mem20.base|)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base main_~end~0.base))))) (and (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~null~0.offset))) (= main_~end~0.base main_~null~0.base) (not (= main_~end~0.base |main_#t~mem20.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0)), 35292#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~end~0.base main_~null~0.base) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~null~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= main_~null~0.base main_~end~0.base)))))) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 35293#(and (= main_~null~0.offset main_~list~0.offset) (or (and (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base |main_#t~mem22.base|) (= main_~null~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)))) (and (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= 0 |main_#t~mem22.offset|))) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 35294#(and (= main_~null~0.offset 0) (or (< main_~end~0.offset main_~null~0.offset) (and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (= main_~end~0.offset 0) (or (not (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~null~0.base) main_~null~0.offset))) (= main_~end~0.base main_~null~0.base))) (and (or (= (select |#length| main_~end~0.base) 12) (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)))))))), 35295#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (or (and (= main_~end~0.offset 0) (or (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= main_~end~0.base main_~null~0.base))) (and (or (= (select |#length| main_~end~0.base) 12) (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))))) (<= 0 main_~end~0.offset) (= main_~null~0.offset 0)), 35296#(and (or (and (= main_~end~0.offset 0) (or (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= main_~end~0.base main_~null~0.base))) (and (or (= main_~null~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (or (= main_~null~0.base main_~list~0.base) (and (= 12 (select |#length| main_~null~0.base)) (not (= (select |#length| main_~end~0.base) 12)))))) (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (<= 0 main_~end~0.offset) (= main_~null~0.offset 0)), 35297#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 35298#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (or (= main_~end~0.base main_~null~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base))) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset)), 35299#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= main_~null~0.offset 0)), 35300#(and (not (= 0 main_~null~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= main_~null~0.offset 0) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 35301#(and (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 35302#(and (not (= 0 main_~null~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= main_~null~0.offset 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.offset|) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 35303#(and (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.offset) (= main_~null~0.offset 0)), 35304#(and (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 35305#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|)))) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 35306#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 35307#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0)), 35308#(and (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35309#(and (not (= 0 |main_#t~mem33.base|)) (or (and (= |main_#t~mem33.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem33.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.base |main_#t~mem33.base|) (= main_~null~0.offset |main_#t~mem33.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset) main_~null~0.base)))) (= main_~null~0.offset 0)), 35310#(and (not (= 0 main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 35311#(and (not (= 0 main_~end~0.base)) (= main_~null~0.offset 0) (not (= main_~null~0.base |main_#t~mem34.base|))), 35312#(and (not (= 0 main_~end~0.base)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 35313#(and (or (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (= main_~null~0.offset 0)), 35314#(= 1 (select |#valid| main_~null~0.base))] [2018-02-04 03:39:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:01,112 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 03:39:01,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 03:39:01,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1602, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:39:01,113 INFO L87 Difference]: Start difference. First operand 464 states and 503 transitions. Second operand 42 states. [2018-02-04 03:39:02,087 WARN L146 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 75 DAG size of output 55 [2018-02-04 03:39:02,656 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 130 DAG size of output 65 [2018-02-04 03:39:06,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:06,469 INFO L93 Difference]: Finished difference Result 532 states and 574 transitions. [2018-02-04 03:39:06,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-02-04 03:39:06,469 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 96 [2018-02-04 03:39:06,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:06,470 INFO L225 Difference]: With dead ends: 532 [2018-02-04 03:39:06,470 INFO L226 Difference]: Without dead ends: 532 [2018-02-04 03:39:06,470 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2584 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1456, Invalid=9050, Unknown=0, NotChecked=0, Total=10506 [2018-02-04 03:39:06,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2018-02-04 03:39:06,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 468. [2018-02-04 03:39:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-02-04 03:39:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 507 transitions. [2018-02-04 03:39:06,474 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 507 transitions. Word has length 96 [2018-02-04 03:39:06,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:06,474 INFO L432 AbstractCegarLoop]: Abstraction has 468 states and 507 transitions. [2018-02-04 03:39:06,474 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 03:39:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 507 transitions. [2018-02-04 03:39:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:39:06,474 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:06,474 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:06,474 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:06,474 INFO L82 PathProgramCache]: Analyzing trace with hash 748703393, now seen corresponding path program 1 times [2018-02-04 03:39:06,475 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:06,485 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 03:39:06,861 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:06,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:39:06,861 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:06,861 INFO 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 03:39:06,862 INFO L182 omatonBuilderFactory]: Interpolants [36437#true, 36438#false, 36439#(= 0 |main_#t~malloc0.offset|), 36440#(= main_~null~0.offset 0), 36441#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 36442#(and (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 36443#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 36444#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 36445#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 36446#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base))), 36447#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (not (= (select |#valid| main_~list~0.base) 0)) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 36448#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= (select |#valid| main_~list~0.base) 0)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 36449#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= (select |#valid| main_~list~0.base) 0)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 36450#(and (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~null~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 36451#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 36452#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 36453#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= main_~null~0.offset 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem22.base|) (= 0 |main_#t~mem22.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 36454#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset 0) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 36455#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)), 36456#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)), 36457#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)), 36458#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|) main_~null~0.base)), 36459#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)), 36460#(not (= |main_#t~mem31.base| main_~null~0.base)), 36461#(not (= main_~end~0.base main_~null~0.base))] [2018-02-04 03:39:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 03:39:06,862 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:39:06,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:39:06,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:39:06,862 INFO L87 Difference]: Start difference. First operand 468 states and 507 transitions. Second operand 25 states. [2018-02-04 03:39:08,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:08,021 INFO L93 Difference]: Finished difference Result 450 states and 487 transitions. [2018-02-04 03:39:08,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:39:08,021 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 96 [2018-02-04 03:39:08,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:08,022 INFO L225 Difference]: With dead ends: 450 [2018-02-04 03:39:08,022 INFO L226 Difference]: Without dead ends: 450 [2018-02-04 03:39:08,022 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=401, Invalid=2049, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:39:08,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-02-04 03:39:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 448. [2018-02-04 03:39:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-02-04 03:39:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 485 transitions. [2018-02-04 03:39:08,025 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 485 transitions. Word has length 96 [2018-02-04 03:39:08,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:08,025 INFO L432 AbstractCegarLoop]: Abstraction has 448 states and 485 transitions. [2018-02-04 03:39:08,025 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:39:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 485 transitions. [2018-02-04 03:39:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:39:08,025 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:08,026 INFO L351 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:08,026 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:08,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1314588313, now seen corresponding path program 2 times [2018-02-04 03:39:08,026 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:08,034 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:08,657 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:08,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:39:08,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:08,657 INFO 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 03:39:08,657 INFO L182 omatonBuilderFactory]: Interpolants [37410#true, 37411#false, 37412#(not (= |main_#t~malloc4.base| 0)), 37413#(not (= main_~list~0.base 0)), 37414#(and (not (= main_~list~0.base 0)) (= (select |#valid| main_~list~0.base) 1)), 37415#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 37416#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (not (= |main_#t~malloc9.base| 0))), 37417#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 37418#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= 1 (select |#valid| main_~end~0.base))), 37419#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (not (= main_~list~0.base 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 37420#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 37421#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 37422#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 37423#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 37424#(and (not (= main_~list~0.base 0)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= |main_#t~mem20.base| main_~list~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 37425#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 37426#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 37427#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 37428#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 37429#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 37430#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 37431#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 37432#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)))), 37433#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37434#(and (not (= main_~end~0.base 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37435#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 37436#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem33.base|))), 37437#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 37438#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:39:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:08,657 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:39:08,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:39:08,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:39:08,658 INFO L87 Difference]: Start difference. First operand 448 states and 485 transitions. Second operand 29 states. [2018-02-04 03:39:10,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:10,044 INFO L93 Difference]: Finished difference Result 452 states and 489 transitions. [2018-02-04 03:39:10,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:39:10,044 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 97 [2018-02-04 03:39:10,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:10,045 INFO L225 Difference]: With dead ends: 452 [2018-02-04 03:39:10,045 INFO L226 Difference]: Without dead ends: 452 [2018-02-04 03:39:10,045 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 973 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=694, Invalid=3212, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:39:10,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2018-02-04 03:39:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 449. [2018-02-04 03:39:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-02-04 03:39:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 487 transitions. [2018-02-04 03:39:10,048 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 487 transitions. Word has length 97 [2018-02-04 03:39:10,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:10,048 INFO L432 AbstractCegarLoop]: Abstraction has 449 states and 487 transitions. [2018-02-04 03:39:10,049 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:39:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 487 transitions. [2018-02-04 03:39:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:39:10,049 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:10,049 INFO L351 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:10,050 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:10,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1314588314, now seen corresponding path program 1 times [2018-02-04 03:39:10,050 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:10,064 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:10,233 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:10,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:39:10,233 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:10,233 INFO 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 03:39:10,233 INFO L182 omatonBuilderFactory]: Interpolants [38408#true, 38409#false, 38410#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 38411#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 38412#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 38413#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|)), 38414#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 38415#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 38416#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 38417#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))), 38418#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 38419#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 38420#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 38421#(and (<= 0 |main_#t~mem33.offset|) (<= (+ |main_#t~mem33.offset| 12) (select |#length| |main_#t~mem33.base|))), 38422#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-02-04 03:39:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:10,234 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:39:10,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:39:10,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:39:10,234 INFO L87 Difference]: Start difference. First operand 449 states and 487 transitions. Second operand 15 states. [2018-02-04 03:39:10,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:10,707 INFO L93 Difference]: Finished difference Result 572 states and 614 transitions. [2018-02-04 03:39:10,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:39:10,708 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 97 [2018-02-04 03:39:10,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:10,709 INFO L225 Difference]: With dead ends: 572 [2018-02-04 03:39:10,709 INFO L226 Difference]: Without dead ends: 572 [2018-02-04 03:39:10,709 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:39:10,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-02-04 03:39:10,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 502. [2018-02-04 03:39:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-02-04 03:39:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 553 transitions. [2018-02-04 03:39:10,712 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 553 transitions. Word has length 97 [2018-02-04 03:39:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:10,713 INFO L432 AbstractCegarLoop]: Abstraction has 502 states and 553 transitions. [2018-02-04 03:39:10,713 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:39:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 553 transitions. [2018-02-04 03:39:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 03:39:10,713 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:10,713 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:10,713 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:10,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1606863773, now seen corresponding path program 5 times [2018-02-04 03:39:10,714 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:10,723 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:11,122 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:11,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:39:11,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:11,122 INFO 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 03:39:11,122 INFO L182 omatonBuilderFactory]: Interpolants [39509#true, 39510#false, 39511#(= (select |#valid| main_~list~0.base) 1), 39512#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 39513#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 39514#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 39515#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 39516#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 39517#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 39518#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 39519#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 39520#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 39521#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39522#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 39523#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 39524#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 39525#(and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem26.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 39526#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 39527#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 39528#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 39529#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 39530#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 39531#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 39532#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 39533#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)), 39534#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:39:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:11,123 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:39:11,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:39:11,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:39:11,123 INFO L87 Difference]: Start difference. First operand 502 states and 553 transitions. Second operand 26 states. [2018-02-04 03:39:12,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:12,464 INFO L93 Difference]: Finished difference Result 578 states and 639 transitions. [2018-02-04 03:39:12,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:39:12,465 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 98 [2018-02-04 03:39:12,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:12,466 INFO L225 Difference]: With dead ends: 578 [2018-02-04 03:39:12,466 INFO L226 Difference]: Without dead ends: 578 [2018-02-04 03:39:12,466 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=256, Invalid=2194, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:39:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-02-04 03:39:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 505. [2018-02-04 03:39:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-02-04 03:39:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 556 transitions. [2018-02-04 03:39:12,469 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 556 transitions. Word has length 98 [2018-02-04 03:39:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:12,469 INFO L432 AbstractCegarLoop]: Abstraction has 505 states and 556 transitions. [2018-02-04 03:39:12,469 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:39:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 556 transitions. [2018-02-04 03:39:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 03:39:12,470 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:12,470 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:12,470 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:12,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1536415980, now seen corresponding path program 4 times [2018-02-04 03:39:12,470 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:12,477 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:39:12,842 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:12,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:39:12,842 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:12,842 INFO 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 03:39:12,842 INFO L182 omatonBuilderFactory]: Interpolants [40672#(and (= main_~list~0.offset main_~end~0.offset) (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 40673#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 40674#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 40675#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 |main_#t~mem13.offset|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 40676#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 40677#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 40678#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 40679#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 40680#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 40681#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) main_~null~0.base))), 40682#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 40683#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base |main_#t~mem13.base|))), 40684#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~null~0.base))), 40685#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)), 40686#(not (= |main_#t~mem35.base| main_~null~0.base)), 40687#(not (= main_~end~0.base main_~null~0.base)), 40688#(not (= main_~list~0.base main_~null~0.base)), 40666#true, 40667#false, 40668#(= 0 |main_#t~malloc0.offset|), 40669#(= main_~null~0.offset 0), 40670#(and (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 40671#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0))] [2018-02-04 03:39:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:39:12,843 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:39:12,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:39:12,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:39:12,843 INFO L87 Difference]: Start difference. First operand 505 states and 556 transitions. Second operand 23 states. [2018-02-04 03:39:14,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:14,006 INFO L93 Difference]: Finished difference Result 666 states and 743 transitions. [2018-02-04 03:39:14,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:39:14,007 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 98 [2018-02-04 03:39:14,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:14,008 INFO L225 Difference]: With dead ends: 666 [2018-02-04 03:39:14,008 INFO L226 Difference]: Without dead ends: 656 [2018-02-04 03:39:14,008 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=457, Invalid=2195, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:39:14,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-02-04 03:39:14,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 546. [2018-02-04 03:39:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-02-04 03:39:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 598 transitions. [2018-02-04 03:39:14,011 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 598 transitions. Word has length 98 [2018-02-04 03:39:14,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:14,011 INFO L432 AbstractCegarLoop]: Abstraction has 546 states and 598 transitions. [2018-02-04 03:39:14,011 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:39:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 598 transitions. [2018-02-04 03:39:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 03:39:14,012 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:14,012 INFO L351 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:14,012 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:14,012 INFO L82 PathProgramCache]: Analyzing trace with hash 598991674, now seen corresponding path program 1 times [2018-02-04 03:39:14,013 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:14,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:14,537 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:14,537 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:39:14,538 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:14,538 INFO 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 03:39:14,538 INFO L182 omatonBuilderFactory]: Interpolants [41984#(or (not (= main_~end~0.offset 0)) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)), 41985#(or (not (= main_~list~0.offset 0)) (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)), 41986#(or (not (= main_~list~0.offset 0)) (<= |main_#t~mem33.offset| 0)), 41987#(or (not (= main_~list~0.offset 0)) (<= main_~end~0.offset 0)), 41988#(<= main_~end~0.offset 0), 41989#(and (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset)), 41959#true, 41960#false, 41961#(= (select |#valid| main_~list~0.base) 1), 41962#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 41963#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc9.offset| 0) (not (= main_~end~0.base |main_#t~malloc9.base|))), 41964#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 41965#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) 0) (= 1 (select |#valid| main_~end~0.base))), 41966#(and (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= |main_#t~mem13.offset| 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 41967#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))), 41968#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 41969#(and (= main_~end~0.offset 0) (not (= |main_#t~malloc18.base| main_~list~0.base)) (= 0 |main_#t~malloc18.offset|) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 41970#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 41971#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 41972#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= |main_#t~mem22.base| main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 41973#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 41974#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)), 41975#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 41976#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0))), 41977#(or (not (= 1 (select |#valid| main_~end~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 41978#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41979#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (= 0 |main_#t~mem31.offset|) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)))), 41980#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.offset 0)) (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 41981#(or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)), 41982#(or (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|) 0)), 41983#(or (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0))] [2018-02-04 03:39:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:14,538 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:39:14,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:39:14,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:39:14,539 INFO L87 Difference]: Start difference. First operand 546 states and 598 transitions. Second operand 31 states. [2018-02-04 03:39:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:15,832 INFO L93 Difference]: Finished difference Result 567 states and 619 transitions. [2018-02-04 03:39:15,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:39:15,832 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 99 [2018-02-04 03:39:15,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:15,833 INFO L225 Difference]: With dead ends: 567 [2018-02-04 03:39:15,833 INFO L226 Difference]: Without dead ends: 567 [2018-02-04 03:39:15,833 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=557, Invalid=3349, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:39:15,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2018-02-04 03:39:15,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 546. [2018-02-04 03:39:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-02-04 03:39:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 598 transitions. [2018-02-04 03:39:15,836 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 598 transitions. Word has length 99 [2018-02-04 03:39:15,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:15,836 INFO L432 AbstractCegarLoop]: Abstraction has 546 states and 598 transitions. [2018-02-04 03:39:15,836 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:39:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 598 transitions. [2018-02-04 03:39:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:39:15,837 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:15,837 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, 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 03:39:15,837 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash 376375201, now seen corresponding path program 3 times [2018-02-04 03:39:15,837 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:15,846 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:16,228 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 03:39:16,228 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:16,228 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:39:16,228 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:16,229 INFO L182 omatonBuilderFactory]: Interpolants [43167#true, 43168#false, 43169#(= (select |#valid| main_~list~0.base) 1), 43170#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 43171#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 43172#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 43173#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 43174#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 43175#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 43176#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 43177#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 43178#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 43179#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43180#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 43181#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 43182#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 43183#(and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem26.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 43184#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 43185#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 43186#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 43187#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 43188#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 43189#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 43190#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 43191#(and (= main_~null~0.offset |main_#t~mem29.offset|) (= main_~null~0.base |main_#t~mem29.base|)), 43192#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-02-04 03:39:16,229 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 03:39:16,229 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:39:16,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:39:16,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:39:16,229 INFO L87 Difference]: Start difference. First operand 546 states and 598 transitions. Second operand 26 states. [2018-02-04 03:39:17,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:17,552 INFO L93 Difference]: Finished difference Result 598 states and 651 transitions. [2018-02-04 03:39:17,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:39:17,552 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 100 [2018-02-04 03:39:17,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:17,553 INFO L225 Difference]: With dead ends: 598 [2018-02-04 03:39:17,553 INFO L226 Difference]: Without dead ends: 594 [2018-02-04 03:39:17,553 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=245, Invalid=2107, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:39:17,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2018-02-04 03:39:17,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 545. [2018-02-04 03:39:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2018-02-04 03:39:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 596 transitions. [2018-02-04 03:39:17,556 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 596 transitions. Word has length 100 [2018-02-04 03:39:17,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:17,556 INFO L432 AbstractCegarLoop]: Abstraction has 545 states and 596 transitions. [2018-02-04 03:39:17,556 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:39:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 596 transitions. [2018-02-04 03:39:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:39:17,557 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:17,557 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:17,557 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:17,557 INFO L82 PathProgramCache]: Analyzing trace with hash 997520957, now seen corresponding path program 1 times [2018-02-04 03:39:17,557 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:17,564 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:17,686 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:17,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:39:17,686 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:17,687 INFO 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 03:39:17,687 INFO L182 omatonBuilderFactory]: Interpolants [44384#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 44385#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 44386#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 44387#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.base|)), 44388#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 44389#(or (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))), 44390#(or (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 44391#(or (and (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 44392#(or (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))), 44393#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 44394#(or (not (= |main_#t~mem35.base| main_~null~0.base)) (not (= main_~null~0.offset |main_#t~mem35.offset|))), 44395#(or (not (= main_~end~0.base main_~null~0.base)) (not (= main_~null~0.offset main_~end~0.offset))), 44396#(or (not (= main_~null~0.offset main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))), 44382#true, 44383#false] [2018-02-04 03:39:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:17,687 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:39:17,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:39:17,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:39:17,687 INFO L87 Difference]: Start difference. First operand 545 states and 596 transitions. Second operand 15 states. [2018-02-04 03:39:18,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:18,402 INFO L93 Difference]: Finished difference Result 599 states and 640 transitions. [2018-02-04 03:39:18,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:39:18,403 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2018-02-04 03:39:18,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:18,404 INFO L225 Difference]: With dead ends: 599 [2018-02-04 03:39:18,404 INFO L226 Difference]: Without dead ends: 599 [2018-02-04 03:39:18,404 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:39:18,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2018-02-04 03:39:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 554. [2018-02-04 03:39:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-02-04 03:39:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 606 transitions. [2018-02-04 03:39:18,407 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 606 transitions. Word has length 100 [2018-02-04 03:39:18,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:18,407 INFO L432 AbstractCegarLoop]: Abstraction has 554 states and 606 transitions. [2018-02-04 03:39:18,407 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:39:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 606 transitions. [2018-02-04 03:39:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:39:18,408 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:18,408 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:18,408 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:18,408 INFO L82 PathProgramCache]: Analyzing trace with hash 997520984, now seen corresponding path program 2 times [2018-02-04 03:39:18,408 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:18,418 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:19,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:19,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:39:19,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:19,050 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 03:39:19,050 INFO L182 omatonBuilderFactory]: Interpolants [45584#true, 45585#false, 45586#(not (= |main_#t~malloc4.base| 0)), 45587#(not (= main_~list~0.base 0)), 45588#(and (not (= main_~list~0.base 0)) (= (select |#valid| main_~list~0.base) 1)), 45589#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 45590#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (not (= |main_#t~malloc9.base| 0))), 45591#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 45592#(and (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= 1 (select |#valid| main_~end~0.base))), 45593#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (not (= main_~list~0.base 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 45594#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 45595#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45596#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 45597#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45598#(and (not (= main_~list~0.base 0)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= |main_#t~mem20.base| main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base |main_#t~mem20.base|))), 45599#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45600#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 45601#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 45602#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 45603#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 45604#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 45605#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 45606#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)))), 45607#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 45608#(and (not (= main_~end~0.base 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 45609#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 45610#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem35.base|))), 45611#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 45612#(= 1 (select |#valid| main_~end~0.base)), 45613#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 03:39:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:19,050 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:39:19,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:39:19,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:39:19,051 INFO L87 Difference]: Start difference. First operand 554 states and 606 transitions. Second operand 30 states. [2018-02-04 03:39:20,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:20,455 INFO L93 Difference]: Finished difference Result 573 states and 626 transitions. [2018-02-04 03:39:20,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:39:20,455 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 100 [2018-02-04 03:39:20,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:20,456 INFO L225 Difference]: With dead ends: 573 [2018-02-04 03:39:20,456 INFO L226 Difference]: Without dead ends: 573 [2018-02-04 03:39:20,456 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=827, Invalid=3595, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:39:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-02-04 03:39:20,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 561. [2018-02-04 03:39:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-02-04 03:39:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 615 transitions. [2018-02-04 03:39:20,459 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 615 transitions. Word has length 100 [2018-02-04 03:39:20,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:20,459 INFO L432 AbstractCegarLoop]: Abstraction has 561 states and 615 transitions. [2018-02-04 03:39:20,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:39:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 615 transitions. [2018-02-04 03:39:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:39:20,460 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:20,460 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:20,460 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:20,460 INFO L82 PathProgramCache]: Analyzing trace with hash 997520985, now seen corresponding path program 1 times [2018-02-04 03:39:20,460 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:20,468 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:20,639 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:20,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:39:20,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:20,639 INFO L182 omatonBuilderFactory]: Interpolants [46822#true, 46823#false, 46824#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 46825#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 46826#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46827#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem31.offset|) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 46828#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 46829#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 46830#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 46831#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 46832#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 46833#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 46834#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46835#(and (<= 0 |main_#t~mem35.offset|) (<= (+ |main_#t~mem35.offset| 12) (select |#length| |main_#t~mem35.base|))), 46836#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 46837#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base)))] [2018-02-04 03:39:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:20,640 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:39:20,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:39:20,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:39:20,640 INFO L87 Difference]: Start difference. First operand 561 states and 615 transitions. Second operand 16 states. [2018-02-04 03:39:21,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:21,252 INFO L93 Difference]: Finished difference Result 623 states and 667 transitions. [2018-02-04 03:39:21,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:39:21,252 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 100 [2018-02-04 03:39:21,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:21,253 INFO L225 Difference]: With dead ends: 623 [2018-02-04 03:39:21,253 INFO L226 Difference]: Without dead ends: 623 [2018-02-04 03:39:21,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:39:21,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2018-02-04 03:39:21,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 559. [2018-02-04 03:39:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2018-02-04 03:39:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 613 transitions. [2018-02-04 03:39:21,257 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 613 transitions. Word has length 100 [2018-02-04 03:39:21,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:21,257 INFO L432 AbstractCegarLoop]: Abstraction has 559 states and 613 transitions. [2018-02-04 03:39:21,257 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:39:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 613 transitions. [2018-02-04 03:39:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:39:21,257 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:21,257 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, 1, 1, 1, 1, 1, 1, 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 03:39:21,257 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:21,258 INFO L82 PathProgramCache]: Analyzing trace with hash 634241751, now seen corresponding path program 1 times [2018-02-04 03:39:21,258 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:21,271 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:21,402 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:21,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:39:21,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:21,402 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 03:39:21,402 INFO L182 omatonBuilderFactory]: Interpolants [48034#true, 48035#false, 48036#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 48037#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48038#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48039#(and (= |main_#t~mem29.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem29.base|)), 48040#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 48041#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 48042#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 48043#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))), 48044#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 48045#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48046#(and (<= 0 |main_#t~mem33.offset|) (<= (+ |main_#t~mem33.offset| 12) (select |#length| |main_#t~mem33.base|))), 48047#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-02-04 03:39:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:21,402 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:39:21,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:39:21,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:39:21,403 INFO L87 Difference]: Start difference. First operand 559 states and 613 transitions. Second operand 14 states. [2018-02-04 03:39:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:21,975 INFO L93 Difference]: Finished difference Result 639 states and 686 transitions. [2018-02-04 03:39:21,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:39:21,975 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-02-04 03:39:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:21,976 INFO L225 Difference]: With dead ends: 639 [2018-02-04 03:39:21,976 INFO L226 Difference]: Without dead ends: 639 [2018-02-04 03:39:21,977 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:39:21,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2018-02-04 03:39:21,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 560. [2018-02-04 03:39:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2018-02-04 03:39:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 615 transitions. [2018-02-04 03:39:21,980 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 615 transitions. Word has length 100 [2018-02-04 03:39:21,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:21,980 INFO L432 AbstractCegarLoop]: Abstraction has 560 states and 615 transitions. [2018-02-04 03:39:21,980 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:39:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 615 transitions. [2018-02-04 03:39:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:39:21,980 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:21,981 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:21,981 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:21,981 INFO L82 PathProgramCache]: Analyzing trace with hash 452819644, now seen corresponding path program 1 times [2018-02-04 03:39:21,981 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:21,989 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:22,389 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:22,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:39:22,389 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:22,390 INFO 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 03:39:22,390 INFO L182 omatonBuilderFactory]: Interpolants [49280#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 49281#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 49282#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 49283#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 49284#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 49285#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem29.base|) |main_#t~mem29.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem29.base|) |main_#t~mem29.offset|))), 49286#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 49287#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)), 49288#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)), 49263#true, 49264#false, 49265#(= (select |#valid| main_~list~0.base) 1), 49266#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 49267#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 49268#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 49269#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 49270#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 49271#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 49272#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 49273#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 49274#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 49275#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 49276#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 49277#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 49278#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 49279#(and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem26.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))] [2018-02-04 03:39:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:22,390 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:39:22,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:39:22,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:39:22,390 INFO L87 Difference]: Start difference. First operand 560 states and 615 transitions. Second operand 26 states. [2018-02-04 03:39:23,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:23,650 INFO L93 Difference]: Finished difference Result 591 states and 646 transitions. [2018-02-04 03:39:23,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:39:23,650 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 101 [2018-02-04 03:39:23,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:23,651 INFO L225 Difference]: With dead ends: 591 [2018-02-04 03:39:23,651 INFO L226 Difference]: Without dead ends: 591 [2018-02-04 03:39:23,651 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=231, Invalid=2025, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:39:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-02-04 03:39:23,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 563. [2018-02-04 03:39:23,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2018-02-04 03:39:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 618 transitions. [2018-02-04 03:39:23,655 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 618 transitions. Word has length 101 [2018-02-04 03:39:23,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:23,655 INFO L432 AbstractCegarLoop]: Abstraction has 563 states and 618 transitions. [2018-02-04 03:39:23,655 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:39:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 618 transitions. [2018-02-04 03:39:23,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:39:23,656 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:23,656 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, 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 03:39:23,656 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:23,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1222007343, now seen corresponding path program 3 times [2018-02-04 03:39:23,657 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:23,669 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:24,303 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 03:39:24,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:24,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:24,304 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:24,304 INFO 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 03:39:24,304 INFO L182 omatonBuilderFactory]: Interpolants [50496#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 50497#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 50498#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 50499#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 50500#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 50501#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 50502#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 50503#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 50504#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 50505#(and (or (and (= |main_#t~malloc18.offset| main_~list~0.offset) (= |main_#t~malloc18.base| main_~list~0.base)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc18.base|)) (not (= main_~list~0.base |main_#t~malloc18.base|)))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 50506#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 50507#(and (or (and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))))) (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 50508#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 50509#(or (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|)))), 50510#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 50511#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 50512#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|))), 50513#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 50514#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 50515#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 50516#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 50517#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 50518#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 50519#(= 1 (select |#valid| |main_#t~mem31.base|)), 50520#(= 1 (select |#valid| main_~end~0.base)), 50487#true, 50488#false, 50489#(= 0 |main_#t~malloc4.offset|), 50490#(= 0 main_~list~0.offset), 50491#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 50492#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 50493#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 50494#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 50495#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))] [2018-02-04 03:39:24,304 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 03:39:24,304 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:24,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:24,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:24,305 INFO L87 Difference]: Start difference. First operand 563 states and 618 transitions. Second operand 34 states. [2018-02-04 03:39:26,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:26,941 INFO L93 Difference]: Finished difference Result 675 states and 745 transitions. [2018-02-04 03:39:26,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 03:39:26,941 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 101 [2018-02-04 03:39:26,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:26,943 INFO L225 Difference]: With dead ends: 675 [2018-02-04 03:39:26,943 INFO L226 Difference]: Without dead ends: 675 [2018-02-04 03:39:26,943 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1601 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=959, Invalid=5361, Unknown=0, NotChecked=0, Total=6320 [2018-02-04 03:39:26,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-02-04 03:39:26,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 586. [2018-02-04 03:39:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-02-04 03:39:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 645 transitions. [2018-02-04 03:39:26,946 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 645 transitions. Word has length 101 [2018-02-04 03:39:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:26,946 INFO L432 AbstractCegarLoop]: Abstraction has 586 states and 645 transitions. [2018-02-04 03:39:26,946 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 645 transitions. [2018-02-04 03:39:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:39:26,947 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:26,947 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, 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 03:39:26,947 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:26,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1222007344, now seen corresponding path program 3 times [2018-02-04 03:39:26,947 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:26,961 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:27,812 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 03:39:27,812 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:27,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:27,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:27,812 INFO 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 03:39:27,813 INFO L182 omatonBuilderFactory]: Interpolants [51904#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 51905#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 51906#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 51907#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 51874#true, 51875#false, 51876#(= 0 |main_#t~malloc4.offset|), 51877#(= 0 main_~list~0.offset), 51878#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 51879#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 51880#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 51881#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 51882#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 51883#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 51884#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 51885#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 51886#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 51887#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 51888#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 51889#(and (= 12 (select |#length| |main_#t~mem13.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 51890#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 51891#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 51892#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc18.base|)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 12 (select |#length| main_~end~0.base))) (and (= |main_#t~malloc18.offset| main_~list~0.offset) (= |main_#t~malloc18.base| main_~list~0.base))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 51893#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 51894#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 51895#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 51896#(or (and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))) (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset))), 51897#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 51898#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 51899#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 51900#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 51901#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 51902#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 51903#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))))] [2018-02-04 03:39:27,813 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 03:39:27,813 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:27,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:27,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:27,813 INFO L87 Difference]: Start difference. First operand 586 states and 645 transitions. Second operand 34 states. [2018-02-04 03:39:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:30,609 INFO L93 Difference]: Finished difference Result 686 states and 756 transitions. [2018-02-04 03:39:30,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:39:30,609 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 101 [2018-02-04 03:39:30,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:30,610 INFO L225 Difference]: With dead ends: 686 [2018-02-04 03:39:30,610 INFO L226 Difference]: Without dead ends: 686 [2018-02-04 03:39:30,611 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=766, Invalid=4784, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:39:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-02-04 03:39:30,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 589. [2018-02-04 03:39:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2018-02-04 03:39:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 648 transitions. [2018-02-04 03:39:30,614 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 648 transitions. Word has length 101 [2018-02-04 03:39:30,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:30,614 INFO L432 AbstractCegarLoop]: Abstraction has 589 states and 648 transitions. [2018-02-04 03:39:30,614 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 648 transitions. [2018-02-04 03:39:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:39:30,615 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:30,615 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, 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 03:39:30,615 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash -287560205, now seen corresponding path program 4 times [2018-02-04 03:39:30,615 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:30,627 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:31,580 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 03:39:31,580 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:31,580 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:39:31,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:31,580 INFO 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 03:39:31,581 INFO L182 omatonBuilderFactory]: Interpolants [53265#true, 53266#false, 53267#(= 0 |main_#t~malloc0.offset|), 53268#(= main_~null~0.offset 0), 53269#(and (= main_~null~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 53270#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 53271#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 53272#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 53273#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc9.offset| main_~null~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 53274#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 53275#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 53276#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem13.offset| main_~null~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 53277#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 53278#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 53279#(and (= main_~end~0.offset main_~null~0.offset) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 53280#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 53281#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~null~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 53282#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 53283#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 53284#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 53285#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))) (and (= |main_#t~malloc9.base| main_~list~0.base) (= |main_#t~malloc9.offset| main_~list~0.offset))) (or (and (= |main_#t~malloc9.base| main_~list~0.base) (= |main_#t~malloc9.offset| main_~list~0.offset)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc9.base|))))), 53286#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 53287#(and (or (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))) (not (= main_~end~0.base |main_#t~mem11.base|)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))))), 53288#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 53289#(and (or (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))))) (or (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))))), 53290#(and (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 53291#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 53292#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 53293#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 53294#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 53295#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 53296#(and (= main_~null~0.offset |main_#t~mem31.offset|) (or (= main_~null~0.base |main_#t~mem31.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) main_~null~0.offset))))), 53297#(and (or (= main_~end~0.base main_~null~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~null~0.offset)))) (= main_~null~0.offset main_~end~0.offset)), 53298#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 53299#(= 1 (select |#valid| |main_#t~mem31.base|)), 53300#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 03:39:31,581 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 03:39:31,581 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:39:31,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:39:31,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1157, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:39:31,581 INFO L87 Difference]: Start difference. First operand 589 states and 648 transitions. Second operand 36 states. [2018-02-04 03:39:33,253 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 109 DAG size of output 90 [2018-02-04 03:39:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:35,080 INFO L93 Difference]: Finished difference Result 683 states and 755 transitions. [2018-02-04 03:39:35,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 03:39:35,080 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 101 [2018-02-04 03:39:35,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:35,081 INFO L225 Difference]: With dead ends: 683 [2018-02-04 03:39:35,081 INFO L226 Difference]: Without dead ends: 683 [2018-02-04 03:39:35,081 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1530 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1178, Invalid=5962, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:39:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-02-04 03:39:35,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 593. [2018-02-04 03:39:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-02-04 03:39:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 654 transitions. [2018-02-04 03:39:35,085 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 654 transitions. Word has length 101 [2018-02-04 03:39:35,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:35,085 INFO L432 AbstractCegarLoop]: Abstraction has 593 states and 654 transitions. [2018-02-04 03:39:35,085 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:39:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 654 transitions. [2018-02-04 03:39:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:39:35,085 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:35,085 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, 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 03:39:35,086 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:35,086 INFO L82 PathProgramCache]: Analyzing trace with hash -287560204, now seen corresponding path program 4 times [2018-02-04 03:39:35,086 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:35,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:35,888 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 03:39:35,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:35,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:35,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:35,889 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 03:39:35,889 INFO L182 omatonBuilderFactory]: Interpolants [54675#true, 54676#false, 54677#(= 0 |main_#t~malloc4.offset|), 54678#(= 0 main_~list~0.offset), 54679#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 54680#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 54681#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 54682#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 54683#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 54684#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 54685#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 54686#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 54687#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 54688#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 54689#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 54690#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 54691#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 54692#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 54693#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= |main_#t~malloc9.base| main_~list~0.base) (= |main_#t~malloc9.offset| main_~list~0.offset)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc9.base|)) (not (= main_~list~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)))))), 54694#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 54695#(and (or (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base |main_#t~mem11.base|))), 54696#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 54697#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))) (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset))), 54698#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 54699#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 54700#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 54701#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 54702#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 54703#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 54704#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))))), 54705#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 54706#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 54707#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 54708#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 03:39:35,889 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 03:39:35,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:35,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:35,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:35,889 INFO L87 Difference]: Start difference. First operand 593 states and 654 transitions. Second operand 34 states. [2018-02-04 03:39:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:38,753 INFO L93 Difference]: Finished difference Result 694 states and 766 transitions. [2018-02-04 03:39:38,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:39:38,754 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 101 [2018-02-04 03:39:38,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:38,755 INFO L225 Difference]: With dead ends: 694 [2018-02-04 03:39:38,755 INFO L226 Difference]: Without dead ends: 694 [2018-02-04 03:39:38,756 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=766, Invalid=4784, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:39:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2018-02-04 03:39:38,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 570. [2018-02-04 03:39:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2018-02-04 03:39:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 627 transitions. [2018-02-04 03:39:38,759 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 627 transitions. Word has length 101 [2018-02-04 03:39:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:38,760 INFO L432 AbstractCegarLoop]: Abstraction has 570 states and 627 transitions. [2018-02-04 03:39:38,760 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 627 transitions. [2018-02-04 03:39:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:39:38,760 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:38,760 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, 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 03:39:38,760 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:38,761 INFO L82 PathProgramCache]: Analyzing trace with hash -604716427, now seen corresponding path program 3 times [2018-02-04 03:39:38,761 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:38,772 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:39,386 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 03:39:39,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:39,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:39:39,387 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:39,387 INFO 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 03:39:39,387 INFO L182 omatonBuilderFactory]: Interpolants [56064#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 56065#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 56066#(and (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 56067#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0)), 56068#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~malloc9.base|))), 56069#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0)), 56070#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (<= main_~list~0.offset 0)), 56071#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0)), 56072#(and (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset main_~list~0.offset) (or (<= (+ main_~end~0.offset 8) 0) (and (not (= main_~list~0.base (select (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base) main_~list~0.offset))) (= main_~end~0.base main_~list~0.base) (not (= (+ main_~end~0.offset 8) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))))), 56073#(and (or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~end~0.base main_~list~0.base) (not (= (+ main_~end~0.offset 8) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (not (= main_~list~0.base 0))), 56074#(and (not (= main_~list~0.base 0)) (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 56075#(and (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset main_~list~0.offset) (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 56076#(and (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (not (= main_~list~0.base 0))), 56077#(and (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 56078#(and (or (and (= main_~end~0.base main_~list~0.base) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset main_~end~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 56079#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 56080#(and (not (= main_~list~0.base 0)) (not (= main_~list~0.base |main_#t~mem31.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 56081#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 56082#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 56083#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 56084#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem35.base|))), 56085#(and (not (= main_~list~0.base 0)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 56086#(= 1 (select |#valid| main_~end~0.base)), 56087#(= 1 (select |#valid| main_~list~0.base)), 56055#true, 56056#false, 56057#(= 0 |main_#t~malloc0.offset|), 56058#(= main_~null~0.offset 0), 56059#(and (not (= |main_#t~malloc4.base| 0)) (= 0 |main_#t~malloc4.offset|) (= main_~null~0.offset |main_#t~malloc4.offset|)), 56060#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= 0 main_~list~0.offset)), 56061#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 56062#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base))), 56063#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base |main_#t~malloc9.base|)))] [2018-02-04 03:39:39,387 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 03:39:39,387 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:39:39,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:39:39,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=876, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:39:39,388 INFO L87 Difference]: Start difference. First operand 570 states and 627 transitions. Second operand 33 states. [2018-02-04 03:39:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:41,349 INFO L93 Difference]: Finished difference Result 728 states and 803 transitions. [2018-02-04 03:39:41,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:39:41,349 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 102 [2018-02-04 03:39:41,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:41,351 INFO L225 Difference]: With dead ends: 728 [2018-02-04 03:39:41,351 INFO L226 Difference]: Without dead ends: 728 [2018-02-04 03:39:41,351 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1231, Invalid=3881, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:39:41,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2018-02-04 03:39:41,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 690. [2018-02-04 03:39:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2018-02-04 03:39:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 771 transitions. [2018-02-04 03:39:41,356 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 771 transitions. Word has length 102 [2018-02-04 03:39:41,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:41,357 INFO L432 AbstractCegarLoop]: Abstraction has 690 states and 771 transitions. [2018-02-04 03:39:41,357 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:39:41,357 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 771 transitions. [2018-02-04 03:39:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:39:41,357 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:41,357 INFO L351 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:41,357 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:41,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1027932148, now seen corresponding path program 2 times [2018-02-04 03:39:41,358 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:41,366 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 03:39:42,623 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:42,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:39:42,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:42,624 INFO 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 03:39:42,624 INFO L182 omatonBuilderFactory]: Interpolants [57600#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 57601#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 57602#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem22.base|) (= 0 |main_#t~mem22.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~mem22.base|) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base))), 57603#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 57604#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base))), 57605#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 57606#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 57607#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))), 57608#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))), 57609#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base main_~null~0.base))), 57610#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 57611#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset |main_#t~mem35.offset|) (or (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))), 57612#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~end~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 57613#(and (not (= main_~end~0.base 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~end~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 57614#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset main_~null~0.offset)), 57615#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 57616#(and (not (= 0 |main_#t~mem33.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 57617#(and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (not (= 0 main_~end~0.base)) (not (= main_~null~0.base main_~end~0.base))), 57618#(and (= 1 (select (store |#valid| main_~end~0.base 0) main_~null~0.base)) (not (= 0 main_~end~0.base))), 57619#(= (select |#valid| main_~null~0.base) 1), 57584#true, 57585#false, 57586#(= |main_#t~malloc0.offset| 0), 57587#(= main_~null~0.offset 0), 57588#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 57589#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0)) (= main_~null~0.offset 0) (= main_~null~0.offset |main_#t~malloc4.offset|)), 57590#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 57591#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 57592#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 57593#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~null~0.offset |main_#t~malloc9.offset|) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0) (not (= |main_#t~malloc9.base| 0)) (or (= main_~null~0.base |main_#t~malloc9.base|) (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base))), 57594#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 57595#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base))), 57596#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 57597#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 57598#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 57599#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 |main_#t~malloc18.base|)) (not (= main_~list~0.base 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc18.base|) (= main_~null~0.base main_~list~0.base) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:39:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 03:39:42,624 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:39:42,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:39:42,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1144, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:39:42,625 INFO L87 Difference]: Start difference. First operand 690 states and 771 transitions. Second operand 36 states. [2018-02-04 03:39:45,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:45,467 INFO L93 Difference]: Finished difference Result 721 states and 805 transitions. [2018-02-04 03:39:45,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:39:45,467 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 102 [2018-02-04 03:39:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:45,469 INFO L225 Difference]: With dead ends: 721 [2018-02-04 03:39:45,469 INFO L226 Difference]: Without dead ends: 721 [2018-02-04 03:39:45,469 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=837, Invalid=4713, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:39:45,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-02-04 03:39:45,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 694. [2018-02-04 03:39:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2018-02-04 03:39:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 776 transitions. [2018-02-04 03:39:45,473 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 776 transitions. Word has length 102 [2018-02-04 03:39:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:45,473 INFO L432 AbstractCegarLoop]: Abstraction has 694 states and 776 transitions. [2018-02-04 03:39:45,473 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:39:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 776 transitions. [2018-02-04 03:39:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:39:45,473 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:45,473 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:45,473 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:45,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1027932121, now seen corresponding path program 2 times [2018-02-04 03:39:45,474 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:45,480 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:45,657 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:45,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:39:45,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:45,658 INFO 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 03:39:45,658 INFO L182 omatonBuilderFactory]: Interpolants [59113#true, 59114#false, 59115#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 59116#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59117#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59118#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 59119#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 59120#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem31.base|)), 59121#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) main_~end~0.base)), 59122#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 59123#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|)))), 59124#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 59125#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 59126#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem33.base|) |main_#t~mem33.offset|)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem33.base|) |main_#t~mem33.offset|))), 59127#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 59128#(and (= main_~null~0.offset |main_#t~mem34.offset|) (= main_~null~0.base |main_#t~mem34.base|)), 59129#(and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset))] [2018-02-04 03:39:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:45,658 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:39:45,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:39:45,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:39:45,658 INFO L87 Difference]: Start difference. First operand 694 states and 776 transitions. Second operand 17 states. [2018-02-04 03:39:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:46,401 INFO L93 Difference]: Finished difference Result 810 states and 905 transitions. [2018-02-04 03:39:46,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:39:46,401 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 102 [2018-02-04 03:39:46,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:46,403 INFO L225 Difference]: With dead ends: 810 [2018-02-04 03:39:46,403 INFO L226 Difference]: Without dead ends: 810 [2018-02-04 03:39:46,403 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:39:46,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-02-04 03:39:46,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 741. [2018-02-04 03:39:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-02-04 03:39:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 838 transitions. [2018-02-04 03:39:46,408 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 838 transitions. Word has length 102 [2018-02-04 03:39:46,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:46,408 INFO L432 AbstractCegarLoop]: Abstraction has 741 states and 838 transitions. [2018-02-04 03:39:46,408 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:39:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 838 transitions. [2018-02-04 03:39:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 03:39:46,408 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:46,408 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:46,408 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:46,409 INFO L82 PathProgramCache]: Analyzing trace with hash -103466573, now seen corresponding path program 1 times [2018-02-04 03:39:46,409 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:46,428 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:47,062 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:47,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:47,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:47,063 INFO 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 03:39:47,063 INFO L182 omatonBuilderFactory]: Interpolants [60736#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 60737#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 60738#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 60739#(= 1 (select |#valid| |main_#t~mem29.base|)), 60740#(= 1 (select |#valid| main_~end~0.base)), 60707#true, 60708#false, 60709#(= 0 |main_#t~malloc4.offset|), 60710#(= 0 main_~list~0.offset), 60711#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 60712#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 60713#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 60714#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 60715#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 60716#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 60717#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 60718#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 60719#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 60720#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 60721#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 60722#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 60723#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 60724#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 60725#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc18.base|)) (= |main_#t~malloc18.offset| main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc18.base|))), 60726#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 60727#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)) (and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 60728#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 60729#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem22.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))) (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset))), 60730#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 60731#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 60732#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|))), 60733#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 60734#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 60735#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))] [2018-02-04 03:39:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:47,063 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:47,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:47,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:47,064 INFO L87 Difference]: Start difference. First operand 741 states and 838 transitions. Second operand 34 states. [2018-02-04 03:39:49,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:49,494 INFO L93 Difference]: Finished difference Result 876 states and 990 transitions. [2018-02-04 03:39:49,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:39:49,494 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-02-04 03:39:49,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:49,496 INFO L225 Difference]: With dead ends: 876 [2018-02-04 03:39:49,496 INFO L226 Difference]: Without dead ends: 876 [2018-02-04 03:39:49,496 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=941, Invalid=5221, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:39:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2018-02-04 03:39:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 766. [2018-02-04 03:39:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2018-02-04 03:39:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 866 transitions. [2018-02-04 03:39:49,500 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 866 transitions. Word has length 103 [2018-02-04 03:39:49,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:49,500 INFO L432 AbstractCegarLoop]: Abstraction has 766 states and 866 transitions. [2018-02-04 03:39:49,500 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 866 transitions. [2018-02-04 03:39:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 03:39:49,501 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:49,501 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:49,501 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:49,501 INFO L82 PathProgramCache]: Analyzing trace with hash -103466572, now seen corresponding path program 1 times [2018-02-04 03:39:49,501 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:49,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:50,289 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:50,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:50,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:50,289 INFO 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 03:39:50,289 INFO L182 omatonBuilderFactory]: Interpolants [62473#true, 62474#false, 62475#(= 0 |main_#t~malloc4.offset|), 62476#(= 0 main_~list~0.offset), 62477#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 62478#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 62479#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 62480#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 62481#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 62482#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 62483#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 62484#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 62485#(and (= 0 |main_#t~malloc9.offset|) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 62486#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 62487#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 62488#(and (= 12 (select |#length| |main_#t~mem13.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem13.base|))), 62489#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 62490#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 62491#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc18.base|)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 12 (select |#length| main_~end~0.base))) (and (= |main_#t~malloc18.offset| main_~list~0.offset) (= |main_#t~malloc18.base| main_~list~0.base))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 62492#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 62493#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 62494#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 62495#(or (and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))) (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset))), 62496#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 62497#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 62498#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 62499#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 62500#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62501#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 62502#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))))), 62503#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 62504#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 62505#(and (= 0 |main_#t~mem29.offset|) (= 12 (select |#length| |main_#t~mem29.base|))), 62506#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 03:39:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:50,290 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:50,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:50,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:50,290 INFO L87 Difference]: Start difference. First operand 766 states and 866 transitions. Second operand 34 states. [2018-02-04 03:39:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:53,093 INFO L93 Difference]: Finished difference Result 887 states and 1000 transitions. [2018-02-04 03:39:53,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:39:53,094 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-02-04 03:39:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:53,095 INFO L225 Difference]: With dead ends: 887 [2018-02-04 03:39:53,095 INFO L226 Difference]: Without dead ends: 887 [2018-02-04 03:39:53,095 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1287 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=751, Invalid=4651, Unknown=0, NotChecked=0, Total=5402 [2018-02-04 03:39:53,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-02-04 03:39:53,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 769. [2018-02-04 03:39:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-02-04 03:39:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 868 transitions. [2018-02-04 03:39:53,099 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 868 transitions. Word has length 103 [2018-02-04 03:39:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:53,099 INFO L432 AbstractCegarLoop]: Abstraction has 769 states and 868 transitions. [2018-02-04 03:39:53,099 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 868 transitions. [2018-02-04 03:39:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 03:39:53,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:53,100 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:53,100 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:53,100 INFO L82 PathProgramCache]: Analyzing trace with hash 901065847, now seen corresponding path program 2 times [2018-02-04 03:39:53,100 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:53,109 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:53,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:53,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:53,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:53,779 INFO 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 03:39:53,779 INFO L182 omatonBuilderFactory]: Interpolants [64256#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64257#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 64258#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 64259#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 64260#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 64261#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc9.base|)) (not (= main_~list~0.base |main_#t~malloc9.base|))) (and (= |main_#t~malloc9.base| main_~list~0.base) (= |main_#t~malloc9.offset| main_~list~0.offset)))), 64262#(and (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 64263#(and (not (= main_~end~0.base |main_#t~mem11.base|)) (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 64264#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 64265#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (not (= main_~list~0.base |main_#t~mem13.base|))) (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset))), 64266#(or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 64267#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 64268#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|))), 64269#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 64270#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64271#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 64272#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 64273#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 64274#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 64275#(= 1 (select |#valid| |main_#t~mem29.base|)), 64276#(= 1 (select |#valid| main_~end~0.base)), 64243#true, 64244#false, 64245#(= 0 |main_#t~malloc4.offset|), 64246#(= 0 main_~list~0.offset), 64247#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 64248#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 64249#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 64250#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 64251#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 64252#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 64253#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 64254#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64255#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)))] [2018-02-04 03:39:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:53,779 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:53,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:53,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:53,779 INFO L87 Difference]: Start difference. First operand 769 states and 868 transitions. Second operand 34 states. [2018-02-04 03:39:56,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:56,299 INFO L93 Difference]: Finished difference Result 886 states and 1000 transitions. [2018-02-04 03:39:56,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:39:56,300 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-02-04 03:39:56,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:56,301 INFO L225 Difference]: With dead ends: 886 [2018-02-04 03:39:56,301 INFO L226 Difference]: Without dead ends: 886 [2018-02-04 03:39:56,301 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=939, Invalid=5223, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:39:56,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-02-04 03:39:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 775. [2018-02-04 03:39:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-02-04 03:39:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 875 transitions. [2018-02-04 03:39:56,307 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 875 transitions. Word has length 103 [2018-02-04 03:39:56,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:56,308 INFO L432 AbstractCegarLoop]: Abstraction has 775 states and 875 transitions. [2018-02-04 03:39:56,308 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 875 transitions. [2018-02-04 03:39:56,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 03:39:56,309 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:56,309 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:39:56,309 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:56,309 INFO L82 PathProgramCache]: Analyzing trace with hash 901065848, now seen corresponding path program 2 times [2018-02-04 03:39:56,310 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:56,326 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:57,144 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:57,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:39:57,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:57,144 INFO 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 03:39:57,144 INFO L182 omatonBuilderFactory]: Interpolants [66049#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 66048#(and (or (and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base |main_#t~mem11.base|))), 66051#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 66050#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem13.base|))) (and (= |main_#t~mem13.base| main_~list~0.base) (= |main_#t~mem13.offset| main_~list~0.offset))), 66053#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 66052#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 66055#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 66054#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 66057#(or (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))))), 66056#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 66059#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 66058#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 66061#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 66060#(and (= 0 |main_#t~mem29.offset|) (= 12 (select |#length| |main_#t~mem29.base|))), 66029#false, 66028#true, 66031#(= 0 main_~list~0.offset), 66030#(= 0 |main_#t~malloc4.offset|), 66033#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 66032#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 66035#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 66034#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 66037#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 66036#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 66039#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 66038#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 66041#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 66040#(and (= 12 (select |#length| |main_#t~malloc18.base|)) (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 66043#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 66042#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 66045#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 66044#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 66047#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 66046#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (or (and (= |main_#t~malloc9.base| main_~list~0.base) (= |main_#t~malloc9.offset| main_~list~0.offset)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc9.base|)) (not (= main_~list~0.base |main_#t~malloc9.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset))))))] [2018-02-04 03:39:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:39:57,144 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:39:57,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:39:57,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:39:57,145 INFO L87 Difference]: Start difference. First operand 775 states and 875 transitions. Second operand 34 states. [2018-02-04 03:39:59,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:39:59,673 INFO L93 Difference]: Finished difference Result 897 states and 1010 transitions. [2018-02-04 03:39:59,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:39:59,674 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-02-04 03:39:59,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:39:59,675 INFO L225 Difference]: With dead ends: 897 [2018-02-04 03:39:59,675 INFO L226 Difference]: Without dead ends: 897 [2018-02-04 03:39:59,675 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=751, Invalid=4651, Unknown=0, NotChecked=0, Total=5402 [2018-02-04 03:39:59,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2018-02-04 03:39:59,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 750. [2018-02-04 03:39:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-02-04 03:39:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 847 transitions. [2018-02-04 03:39:59,679 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 847 transitions. Word has length 103 [2018-02-04 03:39:59,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:39:59,679 INFO L432 AbstractCegarLoop]: Abstraction has 750 states and 847 transitions. [2018-02-04 03:39:59,679 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:39:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 847 transitions. [2018-02-04 03:39:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 03:39:59,680 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:39:59,680 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:59,680 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:39:59,680 INFO L82 PathProgramCache]: Analyzing trace with hash 743732476, now seen corresponding path program 1 times [2018-02-04 03:39:59,681 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:39:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:39:59,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:39:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:59,841 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:39:59,841 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:39:59,841 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:39:59,841 INFO 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 03:39:59,841 INFO L182 omatonBuilderFactory]: Interpolants [67789#true, 67791#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 67790#false, 67793#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67792#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 67795#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67794#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem29.offset|) (= |main_#t~mem29.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67797#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 67796#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67799#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 67798#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 67801#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67800#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 67803#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 67802#(and (<= 0 |main_#t~mem35.offset|) (<= (+ |main_#t~mem35.offset| 12) (select |#length| |main_#t~mem35.base|))), 67804#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base)))] [2018-02-04 03:39:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:39:59,841 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:39:59,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:39:59,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:39:59,842 INFO L87 Difference]: Start difference. First operand 750 states and 847 transitions. Second operand 16 states. [2018-02-04 03:40:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:00,432 INFO L93 Difference]: Finished difference Result 844 states and 936 transitions. [2018-02-04 03:40:00,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:40:00,432 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 103 [2018-02-04 03:40:00,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:00,433 INFO L225 Difference]: With dead ends: 844 [2018-02-04 03:40:00,433 INFO L226 Difference]: Without dead ends: 844 [2018-02-04 03:40:00,434 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:40:00,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2018-02-04 03:40:00,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 755. [2018-02-04 03:40:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-02-04 03:40:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 853 transitions. [2018-02-04 03:40:00,440 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 853 transitions. Word has length 103 [2018-02-04 03:40:00,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:00,440 INFO L432 AbstractCegarLoop]: Abstraction has 755 states and 853 transitions. [2018-02-04 03:40:00,440 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:40:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 853 transitions. [2018-02-04 03:40:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 03:40:00,440 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:00,440 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-02-04 03:40:00,441 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:00,441 INFO L82 PathProgramCache]: Analyzing trace with hash 191508941, now seen corresponding path program 4 times [2018-02-04 03:40:00,441 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:00,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:01,002 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:01,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:40:01,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:01,002 INFO 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 03:40:01,002 INFO L182 omatonBuilderFactory]: Interpolants [69441#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= (select |#valid| main_~list~0.base) 0))), 69440#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select |#valid| main_~list~0.base) 0)) (or (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))))), 69443#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 69442#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 69445#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69444#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 69447#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 69446#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69449#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 69448#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 69451#(= 1 (select |#valid| main_~end~0.base)), 69450#(= 1 (select |#valid| |main_#t~mem31.base|)), 69419#false, 69418#true, 69421#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 69420#(= (select |#valid| main_~list~0.base) 1), 69423#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 69422#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 69425#(and (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 69424#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 69427#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 69426#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 69429#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 69428#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~malloc18.base|))), 69431#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 69430#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 69433#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 69432#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 69435#(and (or (= |main_#t~malloc9.base| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base |main_#t~malloc9.base|)) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 69434#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 69437#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0))), 69436#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69439#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~mem13.base|))), 69438#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))] [2018-02-04 03:40:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:01,003 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:40:01,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:40:01,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=980, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:40:01,003 INFO L87 Difference]: Start difference. First operand 755 states and 853 transitions. Second operand 34 states. [2018-02-04 03:40:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:02,689 INFO L93 Difference]: Finished difference Result 756 states and 851 transitions. [2018-02-04 03:40:02,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:40:02,691 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 104 [2018-02-04 03:40:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:02,692 INFO L225 Difference]: With dead ends: 756 [2018-02-04 03:40:02,692 INFO L226 Difference]: Without dead ends: 756 [2018-02-04 03:40:02,692 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1106 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=785, Invalid=3505, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:40:02,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-02-04 03:40:02,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 699. [2018-02-04 03:40:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-02-04 03:40:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 790 transitions. [2018-02-04 03:40:02,696 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 790 transitions. Word has length 104 [2018-02-04 03:40:02,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:02,696 INFO L432 AbstractCegarLoop]: Abstraction has 699 states and 790 transitions. [2018-02-04 03:40:02,696 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:40:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 790 transitions. [2018-02-04 03:40:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 03:40:02,697 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:02,697 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-02-04 03:40:02,697 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:02,698 INFO L82 PathProgramCache]: Analyzing trace with hash 191508942, now seen corresponding path program 3 times [2018-02-04 03:40:02,698 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:02,722 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:03,863 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:03,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:40:03,863 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:03,863 INFO 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 03:40:03,864 INFO L182 omatonBuilderFactory]: Interpolants [70977#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 70976#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 70979#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#length| |main_#t~mem11.base|) 12)), 70978#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 70981#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 70980#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem13.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 70983#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~malloc18.base|))), 70982#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 70985#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#length| main_~end~0.base) 12) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 70984#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 70987#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem22.base|)) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70986#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= (select |#valid| main_~list~0.base) 1)), 70989#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70988#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 70991#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70990#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc9.base|)) (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)))), 70993#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70992#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)))), 70995#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 70994#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem13.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70997#(and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc18.offset| main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 70996#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70999#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)) (and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 70998#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71001#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem22.offset| main_~list~0.offset) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset))), 71000#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 71003#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 71002#(or (and (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 71005#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 71004#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 71007#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 71006#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71009#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))), 71008#(or (and (= 0 |main_#t~mem31.offset|) (<= 12 (select |#length| |main_#t~mem31.base|))) (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|))), 71010#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base))), 70971#true, 70973#(= 0 |main_#t~malloc4.offset|), 70972#false, 70975#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 70974#(= 0 main_~list~0.offset)] [2018-02-04 03:40:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:03,864 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:40:03,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:40:03,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1313, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:40:03,864 INFO L87 Difference]: Start difference. First operand 699 states and 790 transitions. Second operand 40 states. [2018-02-04 03:40:06,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:06,908 INFO L93 Difference]: Finished difference Result 1054 states and 1197 transitions. [2018-02-04 03:40:06,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 03:40:06,909 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 104 [2018-02-04 03:40:06,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:06,910 INFO L225 Difference]: With dead ends: 1054 [2018-02-04 03:40:06,910 INFO L226 Difference]: Without dead ends: 1054 [2018-02-04 03:40:06,910 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1308, Invalid=6348, Unknown=0, NotChecked=0, Total=7656 [2018-02-04 03:40:06,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-02-04 03:40:06,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 816. [2018-02-04 03:40:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-02-04 03:40:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 916 transitions. [2018-02-04 03:40:06,914 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 916 transitions. Word has length 104 [2018-02-04 03:40:06,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:06,914 INFO L432 AbstractCegarLoop]: Abstraction has 816 states and 916 transitions. [2018-02-04 03:40:06,914 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:40:06,914 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 916 transitions. [2018-02-04 03:40:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 03:40:06,915 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:06,915 INFO L351 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:06,915 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:06,915 INFO L82 PathProgramCache]: Analyzing trace with hash -308532, now seen corresponding path program 1 times [2018-02-04 03:40:06,916 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:06,927 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:07,344 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:07,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:40:07,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:07,345 INFO 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 03:40:07,345 INFO L182 omatonBuilderFactory]: Interpolants [72977#true, 72979#(= |main_#t~malloc0.offset| 0), 72978#false, 72981#(and (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 72980#(= main_~null~0.offset 0), 72983#(and (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset |main_#t~malloc9.offset|) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 72982#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 72985#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 72984#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 72987#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 72986#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 72989#(and (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 72988#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 72991#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 72990#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 72993#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem22.base|))), 72992#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72995#(= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 72994#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 72997#(and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 72996#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 72999#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem28| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))) (= main_~null~0.offset main_~end~0.offset)), 72998#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset main_~end~0.offset)), 73001#(and (not (= ~unnamed0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 73000#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= ~unnamed0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~null~0.offset main_~end~0.offset)), 73003#(and (not (= ~unnamed0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset main_~end~0.offset)), 73002#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= ~unnamed0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8)))) (= main_~null~0.offset |main_#t~mem35.offset|)), 73005#(and (= main_~null~0.offset main_~list~0.offset) (not (= ~unnamed0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))), 73004#(and (= main_~null~0.offset main_~end~0.offset) (not (= ~unnamed0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~null~0.offset 8))))), 73006#(and (= main_~null~0.offset main_~list~0.offset) (not (= ~unnamed0~RED |main_#t~mem32|)))] [2018-02-04 03:40:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:07,345 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:40:07,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:40:07,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:40:07,345 INFO L87 Difference]: Start difference. First operand 816 states and 916 transitions. Second operand 30 states. [2018-02-04 03:40:08,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:08,515 INFO L93 Difference]: Finished difference Result 810 states and 909 transitions. [2018-02-04 03:40:08,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:40:08,515 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 104 [2018-02-04 03:40:08,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:08,516 INFO L225 Difference]: With dead ends: 810 [2018-02-04 03:40:08,516 INFO L226 Difference]: Without dead ends: 810 [2018-02-04 03:40:08,516 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=457, Invalid=2849, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:40:08,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-02-04 03:40:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 810. [2018-02-04 03:40:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2018-02-04 03:40:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 909 transitions. [2018-02-04 03:40:08,520 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 909 transitions. Word has length 104 [2018-02-04 03:40:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:08,520 INFO L432 AbstractCegarLoop]: Abstraction has 810 states and 909 transitions. [2018-02-04 03:40:08,520 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:40:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 909 transitions. [2018-02-04 03:40:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 03:40:08,521 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:08,521 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:08,521 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash -246355558, now seen corresponding path program 2 times [2018-02-04 03:40:08,521 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:08,530 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:08,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:08,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:40:08,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:08,888 INFO 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 03:40:08,888 INFO L182 omatonBuilderFactory]: Interpolants [74689#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 74688#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 74691#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 74690#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 74693#(and (= 0 |main_#t~malloc18.offset|) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))), 74692#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74695#(and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem20.base|))), 74694#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 74697#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 74696#(and (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))), 74699#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 74698#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74701#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 74700#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 74703#(= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)), 74702#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|)), 74705#(= 0 |main_#t~mem35.offset|), 74704#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 74707#(= main_~list~0.offset 0), 74706#(= 0 main_~end~0.offset), 74683#true, 74685#(= (select |#valid| main_~list~0.base) 1), 74684#false, 74687#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 74686#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))] [2018-02-04 03:40:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:08,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:40:08,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:40:08,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:40:08,889 INFO L87 Difference]: Start difference. First operand 810 states and 909 transitions. Second operand 25 states. [2018-02-04 03:40:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:10,017 INFO L93 Difference]: Finished difference Result 841 states and 941 transitions. [2018-02-04 03:40:10,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:40:10,017 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 104 [2018-02-04 03:40:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:10,018 INFO L225 Difference]: With dead ends: 841 [2018-02-04 03:40:10,018 INFO L226 Difference]: Without dead ends: 841 [2018-02-04 03:40:10,018 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=2395, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:40:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2018-02-04 03:40:10,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 817. [2018-02-04 03:40:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-02-04 03:40:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 917 transitions. [2018-02-04 03:40:10,022 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 917 transitions. Word has length 104 [2018-02-04 03:40:10,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:10,022 INFO L432 AbstractCegarLoop]: Abstraction has 817 states and 917 transitions. [2018-02-04 03:40:10,022 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:40:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 917 transitions. [2018-02-04 03:40:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-02-04 03:40:10,023 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:10,023 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:10,023 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:10,023 INFO L82 PathProgramCache]: Analyzing trace with hash 952912538, now seen corresponding path program 3 times [2018-02-04 03:40:10,024 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:10,032 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:12,448 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:12,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-02-04 03:40:12,449 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:12,449 INFO L182 omatonBuilderFactory]: Interpolants [76421#false, 76420#true, 76423#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 76422#(= 0 (select |#valid| 0)), 76425#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 76424#(and (= 0 (select |#valid| 0)) (= main_~null~0.offset 0)), 76427#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= 0 (select |#valid| 0)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 76426#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (not (= |main_#t~malloc4.base| 0)) (= main_~null~0.offset 0) (= main_~null~0.offset |main_#t~malloc4.offset|)), 76429#(and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= 0 (select |#valid| 0)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 76428#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 76431#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (or (and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~list~0.offset)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 76430#(and (= main_~list~0.offset main_~end~0.offset) (= main_~null~0.offset main_~list~0.offset) (or (and (or (= main_~null~0.base |main_#t~malloc9.base|) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.offset |main_#t~malloc9.offset|)) (= main_~null~0.base main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (not (= |main_#t~malloc9.base| 0))), 76433#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (or (= main_~null~0.base main_~list~0.base) (and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|))) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 76432#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (or (= main_~null~0.base main_~list~0.base) (and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~list~0.offset))))), 76435#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base))), 76434#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (or (and (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base))), 76437#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 76436#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (not (= |main_#t~malloc18.base| main_~list~0.base)) (= 0 |main_#t~malloc18.offset|) (or (and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base |main_#t~malloc18.base|) (= main_~null~0.base main_~list~0.base)) (= 0 (select |#valid| 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc18.base|))), 76439#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem22.base|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|))) (= main_~null~0.base |main_#t~mem22.base|) (= main_~null~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~mem22.base|)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (= 0 |main_#t~mem22.offset|)), 76438#(and (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base 0)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (or (and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base |main_#t~mem20.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 76441#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base))), 76440#(and (= main_~null~0.offset main_~list~0.offset) (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= 0 (select |#valid| 0)) (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))))) (< main_~end~0.offset main_~null~0.offset)) (= main_~null~0.offset 0)), 76443#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0)), 76442#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base 0)) (= main_~end~0.offset 0) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base))), 76445#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= main_~end~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 76444#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base 0)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 76447#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76446#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 76449#(or (= 0 (select |#valid| main_~end~0.base)) (and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 main_~end~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))) (not (= 1 (select |#valid| main_~end~0.base)))) (= main_~null~0.offset 0))), 76448#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= 0 (select |#valid| 0)) (= main_~null~0.offset 0) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))), 76451#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem31.base|))) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 76450#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 main_~end~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~list~0.base main_~null~0.base))), 76453#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 76452#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) main_~end~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 76455#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))))) (not (= main_~list~0.base 0)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (= main_~null~0.offset |main_#t~mem35.offset|) (= main_~null~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))), 76454#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 76457#(and (not (= main_~end~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset) (or (= main_~null~0.base main_~end~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 76456#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset) (or (and (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76459#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 76458#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base 0)) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~list~0.offset main_~null~0.offset)), 76461#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~end~0.base)) (= main_~null~0.offset 0)), 76460#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~null~0.base)) (not (= main_~list~0.base 0)) (= main_~null~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (not (= 0 |main_#t~mem35.base|))), 76463#(and (= 1 (select |#valid| main_~null~0.base)) (not (= 0 main_~list~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 76462#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= 0 main_~end~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base main_~null~0.base))), 76465#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem33.base|))), 76464#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 76467#(= 1 (select |#valid| main_~end~0.base)), 76466#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)))] [2018-02-04 03:40:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:12,450 INFO L409 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-02-04 03:40:12,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-02-04 03:40:12,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2089, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:40:12,450 INFO L87 Difference]: Start difference. First operand 817 states and 917 transitions. Second operand 48 states. [2018-02-04 03:40:18,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:18,384 INFO L93 Difference]: Finished difference Result 865 states and 970 transitions. [2018-02-04 03:40:18,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-02-04 03:40:18,384 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 105 [2018-02-04 03:40:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:18,385 INFO L225 Difference]: With dead ends: 865 [2018-02-04 03:40:18,386 INFO L226 Difference]: Without dead ends: 865 [2018-02-04 03:40:18,386 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2407 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1438, Invalid=9482, Unknown=0, NotChecked=0, Total=10920 [2018-02-04 03:40:18,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-02-04 03:40:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 827. [2018-02-04 03:40:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-02-04 03:40:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 929 transitions. [2018-02-04 03:40:18,393 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 929 transitions. Word has length 105 [2018-02-04 03:40:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:18,393 INFO L432 AbstractCegarLoop]: Abstraction has 827 states and 929 transitions. [2018-02-04 03:40:18,393 INFO L433 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-02-04 03:40:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 929 transitions. [2018-02-04 03:40:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-02-04 03:40:18,394 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:18,394 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:18,394 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:18,394 INFO L82 PathProgramCache]: Analyzing trace with hash 952912539, now seen corresponding path program 2 times [2018-02-04 03:40:18,395 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:18,414 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:21,220 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:21,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-02-04 03:40:21,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:21,221 INFO 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 03:40:21,221 INFO L182 omatonBuilderFactory]: Interpolants [78275#false, 78274#true, 78277#(and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)), 78276#(and (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 78279#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0) (= 12 (select |#length| main_~list~0.base))), 78278#(and (= 12 (select |#length| |main_#t~malloc4.base|)) (= 12 (select |#length| main_~null~0.base)) (= 0 |main_#t~malloc4.offset|) (= main_~null~0.offset |main_#t~malloc4.offset|)), 78281#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= 12 (select |#length| main_~null~0.base)) (= 0 main_~end~0.offset) (= main_~null~0.offset main_~end~0.offset)), 78280#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 78283#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~end~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 78282#(and (= main_~list~0.offset main_~end~0.offset) (= main_~null~0.offset |main_#t~malloc9.offset|) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.offset |main_#t~malloc9.offset|) (= 12 (select |#length| main_~end~0.base)) (= 0 main_~end~0.offset) (or (= main_~null~0.base |main_#t~malloc9.base|) (= 12 (select |#length| main_~null~0.base)))), 78285#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= main_~null~0.offset |main_#t~mem13.offset|) (= 0 main_~list~0.offset) (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|)) (= 12 (select |#length| main_~list~0.base))), 78284#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~end~0.offset) (= 1 (select |#valid| main_~end~0.base))), 78287#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 0 main_~end~0.offset) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (and (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~null~0.base)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 78286#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select |#valid| main_~list~0.base) 1) (or (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= 12 (select |#length| main_~list~0.base))), 78289#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 78288#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= 0 main_~list~0.offset) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 0 main_~end~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)) (or (= main_~null~0.base |main_#t~malloc18.base|) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~list~0.base))), 78291#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base))) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 78290#(and (or (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|)))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 0 main_~list~0.offset) (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= main_~null~0.offset main_~end~0.offset) (= 12 (select |#length| main_~list~0.base))), 78293#(and (= 0 main_~null~0.offset) (or (and (or (not (= main_~end~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (= (select |#length| main_~end~0.base) 12)) (and (not (= main_~end~0.base main_~list~0.base)) (or (and (or (<= (+ main_~end~0.offset 8) 0) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= (+ main_~end~0.offset 8) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.offset 0))) (and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (= 12 (select |#length| main_~null~0.base)) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset main_~end~0.offset)))))), 78292#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem22.offset|) (= 0 main_~list~0.offset) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= 12 (select |#length| main_~list~0.base))), 78295#(and (= 0 main_~null~0.offset) (or (and (not (= main_~end~0.offset 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 0 main_~end~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))) (and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset main_~end~0.offset)))), 78294#(and (= 0 main_~null~0.offset) (or (and (or (and (not (= main_~end~0.offset 0)) (<= 0 main_~end~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (= (select |#length| main_~end~0.base) 12)) (and (not (= main_~end~0.base main_~list~0.base)) (or (and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset main_~end~0.offset)) (and (not (= main_~end~0.offset 0)) (<= 0 main_~end~0.offset) (or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (+ main_~end~0.offset 8) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))))))), 78297#(and (= 0 main_~null~0.offset) (or (and (not (= main_~end~0.offset 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 0 main_~end~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~list~0.base))) (and (= main_~null~0.offset main_~end~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 78296#(and (= 0 main_~null~0.offset) (or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 12 (select |#length| main_~list~0.base)) (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|))) (and (not (= main_~end~0.offset 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 0 main_~end~0.offset)) (and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem26.base|)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset main_~end~0.offset)))), 78299#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~null~0.base)) (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))))), 78298#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~null~0.offset)), 78301#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 78300#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))))), 78303#(and (= 0 main_~null~0.offset) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 78302#(and (= 0 main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 78305#(and (= 0 main_~null~0.offset) (or (and (= 12 (select |#length| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem31.base|)) (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 78304#(and (= 0 main_~null~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 78307#(and (or (and (= main_~null~0.offset 0) (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 78306#(and (= 0 main_~null~0.offset) (or (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 12 (select |#length| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) main_~end~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 78309#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (or (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (= main_~null~0.offset 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 78308#(and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (<= 1 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset |main_#t~mem35.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|)))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (= main_~null~0.offset 0))) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 78311#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 78310#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (and (= main_~null~0.offset 0) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 78313#(and (or (and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)) (and (<= 1 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))), 78312#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 78315#(and (or (<= 1 main_~end~0.offset) (and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base main_~end~0.base)) (= main_~null~0.offset 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 78314#(and (or (and (<= 1 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset 0) (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 78317#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (<= 1 main_~list~0.offset) (<= (+ main_~list~0.offset 1) 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 78316#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (<= 1 main_~list~0.offset) (and (or (<= (+ main_~list~0.offset 1) 0) (= main_~list~0.offset main_~null~0.offset)) (or (= main_~null~0.base main_~list~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))))), 78319#(and (= main_~end~0.offset 0) (or (<= 1 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12))), 78318#(and (= 0 |main_#t~mem33.offset|) (or (<= 1 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem33.base|)))), 78320#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 03:40:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:21,221 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-02-04 03:40:21,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-02-04 03:40:21,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1968, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:40:21,222 INFO L87 Difference]: Start difference. First operand 827 states and 929 transitions. Second operand 47 states. [2018-02-04 03:40:22,841 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 153 DAG size of output 68 [2018-02-04 03:40:23,417 WARN L146 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 143 DAG size of output 71 [2018-02-04 03:40:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:27,777 INFO L93 Difference]: Finished difference Result 923 states and 1028 transitions. [2018-02-04 03:40:27,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-02-04 03:40:27,777 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 105 [2018-02-04 03:40:27,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:27,778 INFO L225 Difference]: With dead ends: 923 [2018-02-04 03:40:27,778 INFO L226 Difference]: Without dead ends: 923 [2018-02-04 03:40:27,779 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2657 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1437, Invalid=9483, Unknown=0, NotChecked=0, Total=10920 [2018-02-04 03:40:27,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2018-02-04 03:40:27,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 835. [2018-02-04 03:40:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2018-02-04 03:40:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 939 transitions. [2018-02-04 03:40:27,783 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 939 transitions. Word has length 105 [2018-02-04 03:40:27,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:27,783 INFO L432 AbstractCegarLoop]: Abstraction has 835 states and 939 transitions. [2018-02-04 03:40:27,783 INFO L433 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-02-04 03:40:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 939 transitions. [2018-02-04 03:40:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-02-04 03:40:27,783 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:27,784 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:27,784 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash -105553398, now seen corresponding path program 1 times [2018-02-04 03:40:27,784 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:27,790 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:27,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:27,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:40:27,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:27,969 INFO 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 03:40:27,969 INFO L182 omatonBuilderFactory]: Interpolants [80195#true, 80197#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 80196#false, 80199#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 80198#(and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 80201#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 80200#(and (= |main_#t~mem29.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem29.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 80203#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) main_~end~0.base)), 80202#(and (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem31.base|)), 80205#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem35.base|) |main_#t~mem35.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem35.base|) |main_#t~mem35.offset|)))), 80204#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 80207#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 80206#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 80209#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 80208#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem33.base|) |main_#t~mem33.offset|)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem33.base|) |main_#t~mem33.offset|))), 80211#(and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset)), 80210#(and (= main_~null~0.offset |main_#t~mem34.offset|) (= main_~null~0.base |main_#t~mem34.base|))] [2018-02-04 03:40:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:27,969 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:40:27,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:40:27,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:40:27,969 INFO L87 Difference]: Start difference. First operand 835 states and 939 transitions. Second operand 17 states. [2018-02-04 03:40:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:28,719 INFO L93 Difference]: Finished difference Result 950 states and 1065 transitions. [2018-02-04 03:40:28,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:40:28,719 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 105 [2018-02-04 03:40:28,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:28,720 INFO L225 Difference]: With dead ends: 950 [2018-02-04 03:40:28,721 INFO L226 Difference]: Without dead ends: 950 [2018-02-04 03:40:28,721 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:40:28,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2018-02-04 03:40:28,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 884. [2018-02-04 03:40:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2018-02-04 03:40:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1000 transitions. [2018-02-04 03:40:28,728 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1000 transitions. Word has length 105 [2018-02-04 03:40:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:28,728 INFO L432 AbstractCegarLoop]: Abstraction has 884 states and 1000 transitions. [2018-02-04 03:40:28,728 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:40:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1000 transitions. [2018-02-04 03:40:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-02-04 03:40:28,729 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:28,729 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:28,729 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:28,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1762319008, now seen corresponding path program 1 times [2018-02-04 03:40:28,730 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:28,739 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:28,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:28,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:40:28,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:28,889 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 03:40:28,889 INFO L182 omatonBuilderFactory]: Interpolants [82081#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 82080#(or (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))), 82083#(or (not (= main_~end~0.base main_~null~0.base)) (not (= main_~null~0.offset main_~end~0.offset))), 82082#(or (not (= |main_#t~mem35.base| main_~null~0.base)) (not (= main_~null~0.offset |main_#t~mem35.offset|))), 82084#(or (not (= main_~null~0.offset main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))), 82071#false, 82070#true, 82073#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.base|)), 82072#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 82075#(and (= |main_#t~mem29.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem29.base|)), 82074#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 82077#(or (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))), 82076#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 82079#(or (and (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 82078#(or (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))] [2018-02-04 03:40:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:40:28,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:40:28,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:40:28,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:40:28,889 INFO L87 Difference]: Start difference. First operand 884 states and 1000 transitions. Second operand 15 states. [2018-02-04 03:40:29,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:29,514 INFO L93 Difference]: Finished difference Result 932 states and 1035 transitions. [2018-02-04 03:40:29,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:40:29,514 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 105 [2018-02-04 03:40:29,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:29,515 INFO L225 Difference]: With dead ends: 932 [2018-02-04 03:40:29,515 INFO L226 Difference]: Without dead ends: 932 [2018-02-04 03:40:29,515 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:40:29,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-02-04 03:40:29,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 825. [2018-02-04 03:40:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-02-04 03:40:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 920 transitions. [2018-02-04 03:40:29,522 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 920 transitions. Word has length 105 [2018-02-04 03:40:29,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:29,522 INFO L432 AbstractCegarLoop]: Abstraction has 825 states and 920 transitions. [2018-02-04 03:40:29,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:40:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 920 transitions. [2018-02-04 03:40:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:40:29,524 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:29,524 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, 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] [2018-02-04 03:40:29,524 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:29,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1990418231, now seen corresponding path program 2 times [2018-02-04 03:40:29,525 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:29,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:29,975 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 03:40:29,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:29,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:40:29,976 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:40:29,976 INFO L182 omatonBuilderFactory]: Interpolants [83875#false, 83874#true, 83877#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 83876#(= (select |#valid| main_~list~0.base) 1), 83879#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 83878#(and (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|))), 83881#(and (= 12 (select |#length| |main_#t~mem13.base|)) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem13.base|))), 83880#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| |main_#t~mem11.base|)) (= 1 (select |#valid| main_~end~0.base))), 83883#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 83882#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 83885#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 83884#(and (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 83887#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))), 83886#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))), 83889#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base))), 83888#(and (not (= main_~list~0.base |main_#t~mem13.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 83891#(and (= main_~list~0.offset main_~end~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.base main_~end~0.base)), 83890#(= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 83893#(and (= (select |#length| main_~end~0.base) 12) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83892#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 83895#(<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0), 83894#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= (select |#length| main_~end~0.base) 12) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83897#(and (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83896#(and (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0) (= |main_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83899#(<= main_~list~0.offset 0), 83898#(<= main_~end~0.offset 0), 83900#(and (<= 0 main_~list~0.offset) (<= main_~list~0.offset 0))] [2018-02-04 03:40:29,976 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 03:40:29,976 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:40:29,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:40:29,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:40:29,977 INFO L87 Difference]: Start difference. First operand 825 states and 920 transitions. Second operand 27 states. [2018-02-04 03:40:30,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:30,997 INFO L93 Difference]: Finished difference Result 902 states and 1001 transitions. [2018-02-04 03:40:30,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:40:30,997 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 106 [2018-02-04 03:40:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:30,998 INFO L225 Difference]: With dead ends: 902 [2018-02-04 03:40:30,998 INFO L226 Difference]: Without dead ends: 902 [2018-02-04 03:40:30,998 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=323, Invalid=2227, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:40:30,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2018-02-04 03:40:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 876. [2018-02-04 03:40:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-02-04 03:40:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 974 transitions. [2018-02-04 03:40:31,002 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 974 transitions. Word has length 106 [2018-02-04 03:40:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:31,002 INFO L432 AbstractCegarLoop]: Abstraction has 876 states and 974 transitions. [2018-02-04 03:40:31,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:40:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 974 transitions. [2018-02-04 03:40:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 03:40:31,003 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:31,003 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:40:31,003 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:31,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1573423261, now seen corresponding path program 2 times [2018-02-04 03:40:31,004 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:31,012 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:40:31,441 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:31,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:40:31,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:31,441 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 03:40:31,441 INFO L182 omatonBuilderFactory]: Interpolants [85727#true, 85729#(= 0 |main_#t~malloc0.offset|), 85728#false, 85731#(and (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 85730#(= main_~null~0.offset 0), 85733#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~null~0.offset 0)), 85732#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 85735#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 85734#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 85737#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 85736#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.offset|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 85739#(and (= 0 |main_#t~malloc9.offset|) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~malloc9.base|))), 85738#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85741#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset))), 85740#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85743#(and (or (< main_~end~0.offset main_~null~0.offset) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)), 85742#(and (= 0 |main_#t~mem13.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= main_~null~0.offset 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 85745#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)), 85744#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)), 85747#(and (= main_~null~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base))), 85746#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0)), 85749#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 85748#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|) main_~null~0.base)) (= main_~null~0.offset 0)), 85751#(and (= main_~null~0.offset 0) (not (= main_~end~0.base main_~null~0.base))), 85750#(and (not (= |main_#t~mem31.base| main_~null~0.base)) (= main_~null~0.offset 0))] [2018-02-04 03:40:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:40:31,442 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:40:31,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:40:31,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:40:31,442 INFO L87 Difference]: Start difference. First operand 876 states and 974 transitions. Second operand 25 states. [2018-02-04 03:40:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:32,539 INFO L93 Difference]: Finished difference Result 865 states and 961 transitions. [2018-02-04 03:40:32,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:40:32,539 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 107 [2018-02-04 03:40:32,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:32,540 INFO L225 Difference]: With dead ends: 865 [2018-02-04 03:40:32,540 INFO L226 Difference]: Without dead ends: 865 [2018-02-04 03:40:32,540 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=339, Invalid=1917, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:40:32,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-02-04 03:40:32,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 858. [2018-02-04 03:40:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2018-02-04 03:40:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 954 transitions. [2018-02-04 03:40:32,547 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 954 transitions. Word has length 107 [2018-02-04 03:40:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:32,547 INFO L432 AbstractCegarLoop]: Abstraction has 858 states and 954 transitions. [2018-02-04 03:40:32,547 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:40:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 954 transitions. [2018-02-04 03:40:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 03:40:32,548 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:32,548 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 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 03:40:32,548 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:32,548 INFO L82 PathProgramCache]: Analyzing trace with hash -282906827, now seen corresponding path program 5 times [2018-02-04 03:40:32,549 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:32,565 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:33,400 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 03:40:33,400 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:33,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:40:33,401 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:33,401 INFO 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 03:40:33,401 INFO L182 omatonBuilderFactory]: Interpolants [87553#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 87552#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 87555#(= 1 (select |#valid| |main_#t~mem31.base|)), 87554#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 87556#(= 1 (select |#valid| main_~end~0.base)), 87521#true, 87523#(= 0 |main_#t~malloc4.offset|), 87522#false, 87525#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 87524#(= 0 main_~list~0.offset), 87527#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset)), 87526#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 87529#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 87528#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 87531#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))), 87530#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 87533#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc9.base|))), 87532#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 87535#(and (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 87534#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 87537#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 87536#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem13.base|) (not (= main_~list~0.base |main_#t~mem13.base|))), 87539#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc18.base|)) (not (= main_~list~0.base |main_#t~malloc18.base|)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~malloc18.offset| main_~list~0.offset) (= |main_#t~malloc18.base| main_~list~0.base))) (not (= main_~end~0.base |main_#t~malloc18.base|))), 87538#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 87541#(and (or (and (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem20.base|))), 87540#(and (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 87543#(or (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem22.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 87542#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 87545#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 87544#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 87547#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 87546#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 87549#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 87548#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 87551#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 87550#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))) (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|)))] [2018-02-04 03:40:33,401 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 03:40:33,401 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:40:33,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:40:33,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1146, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:40:33,402 INFO L87 Difference]: Start difference. First operand 858 states and 954 transitions. Second operand 36 states. [2018-02-04 03:40:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:40:36,665 INFO L93 Difference]: Finished difference Result 986 states and 1092 transitions. [2018-02-04 03:40:36,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 03:40:36,665 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 107 [2018-02-04 03:40:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:40:36,666 INFO L225 Difference]: With dead ends: 986 [2018-02-04 03:40:36,666 INFO L226 Difference]: Without dead ends: 986 [2018-02-04 03:40:36,667 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1917 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=961, Invalid=6695, Unknown=0, NotChecked=0, Total=7656 [2018-02-04 03:40:36,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2018-02-04 03:40:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 887. [2018-02-04 03:40:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-02-04 03:40:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 989 transitions. [2018-02-04 03:40:36,671 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 989 transitions. Word has length 107 [2018-02-04 03:40:36,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:40:36,671 INFO L432 AbstractCegarLoop]: Abstraction has 887 states and 989 transitions. [2018-02-04 03:40:36,671 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:40:36,671 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 989 transitions. [2018-02-04 03:40:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 03:40:36,671 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:40:36,672 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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, 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 03:40:36,672 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:40:36,672 INFO L82 PathProgramCache]: Analyzing trace with hash -282906826, now seen corresponding path program 5 times [2018-02-04 03:40:36,672 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:40:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:40:36,683 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:40:37,785 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 03:40:37,785 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:40:37,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:40:37,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:40:37,785 INFO 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 03:40:37,786 INFO L182 omatonBuilderFactory]: Interpolants [89537#(= main_~null~0.offset 0), 89536#(= 0 |main_#t~malloc0.offset|), 89539#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 89538#(and (= main_~null~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 89541#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 89540#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 89543#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 89542#(and (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| |main_#t~malloc9.base|)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc9.offset| main_~null~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 89545#(and (= 12 (select |#length| |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= |main_#t~mem13.offset| main_~null~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem13.base|))), 89544#(and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem11.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem11.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 12 (select |#length| |main_#t~mem11.base|)) (= 1 (select |#valid| main_~end~0.base))), 89547#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 89546#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 89549#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 89548#(and (= main_~end~0.offset main_~null~0.offset) (not (= main_~end~0.base |main_#t~malloc9.base|)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc9.base|)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~malloc9.base|))), 89551#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= 0 main_~list~0.offset) (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem13.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset) |main_#t~mem13.base|) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem13.base|))), 89550#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem11.base|)) (= main_~end~0.offset main_~null~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#length| main_~end~0.base) 12) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem11.base| (store (select |#memory_$Pointer$.base| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base))), 89553#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 89552#(and (not (= main_~end~0.base main_~list~0.base)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 12) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))), 89555#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 89554#(and (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) 12) (= 12 (select |#length| |main_#t~malloc18.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc18.base|)) (= |main_#t~malloc18.offset| main_~list~0.offset) (= 0 |main_#t~malloc18.offset|) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.offset|)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc18.base|)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~end~0.base |main_#t~malloc18.base|))), 89557#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 89556#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) main_~end~0.offset) main_~list~0.offset)) (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem20.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem20.base| (store (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (+ |main_#t~mem20.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (not (= main_~end~0.base |main_#t~mem20.base|))), 89559#(or (and (not (= main_~end~0.base main_~list~0.base)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) 12) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 89558#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset) |main_#t~mem22.base|)) (not (= main_~list~0.base |main_#t~mem22.base|)) (= main_~null~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem22.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= |main_#t~mem22.base| main_~list~0.base) (= |main_#t~mem22.offset| main_~list~0.offset))), 89561#(or (and (= |main_#t~mem26.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem26.offset|)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))))), 89560#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 89563#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89562#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))))), 89565#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) main_~null~0.offset))) (<= (select |#length| |main_#t~mem31.base|) 12) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) main_~null~0.offset)))) (= main_~null~0.offset 0)) (and (= main_~null~0.offset |main_#t~mem31.offset|) (= main_~null~0.base |main_#t~mem31.base|))), 89564#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 12) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)))))), 89567#(or (and (not (= main_~end~0.offset 0)) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 89566#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset))))) (not (= main_~end~0.offset main_~null~0.offset))) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12)) (or (not (= main_~end~0.offset 0)) (= main_~null~0.offset main_~end~0.offset)))), 89569#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)))), 89568#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (not (= main_~end~0.offset 0)) (<= main_~end~0.offset 0))), 89571#(and (= 0 |main_#t~mem31.offset|) (= 12 (select |#length| |main_#t~mem31.base|))), 89570#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 89572#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 89535#false, 89534#true] [2018-02-04 03:40:37,786 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 03:40:37,786 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:40:37,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:40:37,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1337, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:40:37,786 INFO L87 Difference]: Start difference. First operand 887 states and 989 transitions. Second operand 39 states. [2018-02-04 03:40:39,402 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 121 DAG size of output 100 Received shutdown request... [2018-02-04 03:40:39,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:40:39,939 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:40:39,945 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:40:39,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:40:39 BoogieIcfgContainer [2018-02-04 03:40:39,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:40:39,946 INFO L168 Benchmark]: Toolchain (without parser) took 182040.99 ms. Allocated memory was 403.7 MB in the beginning and 943.7 MB in the end (delta: 540.0 MB). Free memory was 360.6 MB in the beginning and 646.5 MB in the end (delta: -285.9 MB). Peak memory consumption was 254.1 MB. Max. memory is 5.3 GB. [2018-02-04 03:40:39,947 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 365.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:40:39,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.83 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 347.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 03:40:39,947 INFO L168 Benchmark]: Boogie Preprocessor took 29.88 ms. Allocated memory is still 403.7 MB. Free memory was 347.4 MB in the beginning and 344.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:40:39,947 INFO L168 Benchmark]: RCFGBuilder took 395.01 ms. Allocated memory is still 403.7 MB. Free memory was 344.7 MB in the beginning and 304.2 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. [2018-02-04 03:40:39,947 INFO L168 Benchmark]: TraceAbstraction took 181442.41 ms. Allocated memory was 403.7 MB in the beginning and 943.7 MB in the end (delta: 540.0 MB). Free memory was 304.2 MB in the beginning and 646.5 MB in the end (delta: -342.3 MB). Peak memory consumption was 197.8 MB. Max. memory is 5.3 GB. [2018-02-04 03:40:39,948 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 365.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 170.83 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 347.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.88 ms. Allocated memory is still 403.7 MB. Free memory was 347.4 MB in the beginning and 344.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 395.01 ms. Allocated memory is still 403.7 MB. Free memory was 344.7 MB in the beginning and 304.2 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 181442.41 ms. Allocated memory was 403.7 MB in the beginning and 943.7 MB in the end (delta: 540.0 MB). Free memory was 304.2 MB in the beginning and 646.5 MB in the end (delta: -342.3 MB). Peak memory consumption was 197.8 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 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1057). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1070). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1059). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1064). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1046). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1001). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1057). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1065). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1058). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1064). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1060). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1059). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1014). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1058). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1065). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1046). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1060). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1070). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1001). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1014). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (887states) and interpolant automaton (currently 32 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (122 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 163 locations, 69 error locations. TIMEOUT Result, 181.4s OverallTime, 97 OverallIterations, 4 TraceHistogramMax, 132.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8912 SDtfs, 53565 SDslu, 85743 SDs, 0 SdLazy, 132385 SolverSat, 10903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4687 GetRequests, 379 SyntacticMatches, 140 SemanticMatches, 4168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58763 ImplicationChecksByTransitivity, 105.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=887occurred in iteration=96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 123/2191 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 96 MinimizatonAttempts, 4913 StatesRemovedByMinimization, 92 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 45.6s InterpolantComputationTime, 7556 NumberOfCodeBlocks, 7556 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 7459 ConstructedInterpolants, 0 QuantifiedInterpolants, 16828188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 97 InterpolantComputations, 17 PerfectInterpolantSequences, 123/2191 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/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-40-39-954.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-40-39-954.csv Completed graceful shutdown