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-cnstr_1_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 16:49:04,270 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 16:49:04,271 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 16:49:04,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 16:49:04,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 16:49:04,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 16:49:04,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 16:49:04,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 16:49:04,287 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 16:49:04,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 16:49:04,288 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 16:49:04,288 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 16:49:04,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 16:49:04,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 16:49:04,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 16:49:04,293 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 16:49:04,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 16:49:04,296 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 16:49:04,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 16:49:04,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 16:49:04,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 16:49:04,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 16:49:04,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 16:49:04,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 16:49:04,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 16:49:04,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 16:49:04,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 16:49:04,303 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 16:49:04,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 16:49:04,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 16:49:04,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 16:49:04,304 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 16:49:04,314 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 16:49:04,314 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 16:49:04,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 16:49:04,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 16:49:04,315 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 16:49:04,316 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 16:49:04,316 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 16:49:04,316 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 16:49:04,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 16:49:04,316 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 16:49:04,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 16:49:04,316 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 16:49:04,317 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 16:49:04,317 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 16:49:04,317 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 16:49:04,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 16:49:04,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 16:49:04,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 16:49:04,317 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 16:49:04,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 16:49:04,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 16:49:04,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 16:49:04,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 16:49:04,357 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 16:49:04,360 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 16:49:04,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 16:49:04,362 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 16:49:04,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-02-04 16:49:04,509 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 16:49:04,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 16:49:04,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 16:49:04,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 16:49:04,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 16:49:04,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d59df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04, skipping insertion in model container [2018-02-04 16:49:04,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,535 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 16:49:04,566 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 16:49:04,660 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 16:49:04,678 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 16:49:04,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04 WrapperNode [2018-02-04 16:49:04,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 16:49:04,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 16:49:04,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 16:49:04,686 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 16:49:04,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... [2018-02-04 16:49:04,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 16:49:04,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 16:49:04,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 16:49:04,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 16:49:04,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 16:49:04,757 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 16:49:04,757 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 16:49:04,757 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 16:49:04,757 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 16:49:04,757 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 16:49:04,757 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 16:49:04,757 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 16:49:04,757 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 16:49:04,758 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 16:49:05,161 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 16:49:05,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:49:05 BoogieIcfgContainer [2018-02-04 16:49:05,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 16:49:05,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 16:49:05,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 16:49:05,164 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 16:49:05,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:49:04" (1/3) ... [2018-02-04 16:49:05,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fd563f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:49:05, skipping insertion in model container [2018-02-04 16:49:05,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:49:04" (2/3) ... [2018-02-04 16:49:05,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fd563f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:49:05, skipping insertion in model container [2018-02-04 16:49:05,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:49:05" (3/3) ... [2018-02-04 16:49:05,167 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-02-04 16:49:05,174 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 16:49:05,181 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 61 error locations. [2018-02-04 16:49:05,214 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 16:49:05,214 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 16:49:05,215 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 16:49:05,215 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 16:49:05,215 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 16:49:05,215 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 16:49:05,215 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 16:49:05,215 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 16:49:05,216 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 16:49:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-02-04 16:49:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 16:49:05,238 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:05,239 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:05,239 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:05,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1532119549, now seen corresponding path program 1 times [2018-02-04 16:49:05,291 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:05,323 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,382 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:05,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 16:49:05,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,384 INFO L182 omatonBuilderFactory]: Interpolants [152#true, 153#false, 154#(= 1 (select |#valid| |main_#t~malloc0.base|)), 155#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 16:49:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 16:49:05,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 16:49:05,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:49:05,458 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 4 states. [2018-02-04 16:49:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:05,630 INFO L93 Difference]: Finished difference Result 161 states and 168 transitions. [2018-02-04 16:49:05,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:49:05,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 16:49:05,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:05,640 INFO L225 Difference]: With dead ends: 161 [2018-02-04 16:49:05,640 INFO L226 Difference]: Without dead ends: 157 [2018-02-04 16:49:05,642 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-02-04 16:49:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 142. [2018-02-04 16:49:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 16:49:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2018-02-04 16:49:05,668 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 8 [2018-02-04 16:49:05,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:05,668 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2018-02-04 16:49:05,668 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 16:49:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2018-02-04 16:49:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 16:49:05,669 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:05,669 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:05,669 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:05,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1532119550, now seen corresponding path program 1 times [2018-02-04 16:49:05,670 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:05,679 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,726 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:05,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 16:49:05,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,727 INFO L182 omatonBuilderFactory]: Interpolants [464#(and (= main_~list~0.offset 0) (= (select |#length| main_~list~0.base) 12)), 461#true, 462#false, 463#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|)))] [2018-02-04 16:49:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 16:49:05,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 16:49:05,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:49:05,729 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand 4 states. [2018-02-04 16:49:05,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:05,840 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2018-02-04 16:49:05,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 16:49:05,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 16:49:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:05,842 INFO L225 Difference]: With dead ends: 154 [2018-02-04 16:49:05,842 INFO L226 Difference]: Without dead ends: 154 [2018-02-04 16:49:05,843 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:05,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-02-04 16:49:05,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 146. [2018-02-04 16:49:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-04 16:49:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2018-02-04 16:49:05,852 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 8 [2018-02-04 16:49:05,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:05,852 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2018-02-04 16:49:05,852 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 16:49:05,852 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2018-02-04 16:49:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 16:49:05,853 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:05,853 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:05,853 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:05,853 INFO L82 PathProgramCache]: Analyzing trace with hash 579798922, now seen corresponding path program 1 times [2018-02-04 16:49:05,855 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:05,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,920 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:05,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 16:49:05,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,921 INFO L182 omatonBuilderFactory]: Interpolants [768#false, 769#(= (select |#valid| main_~list~0.base) 1), 770#(= 1 (select |#valid| main_~end~0.base)), 767#true] [2018-02-04 16:49:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:05,922 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 16:49:05,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 16:49:05,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 16:49:05,922 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand 4 states. [2018-02-04 16:49:06,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:06,049 INFO L93 Difference]: Finished difference Result 149 states and 157 transitions. [2018-02-04 16:49:06,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:49:06,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-02-04 16:49:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:06,051 INFO L225 Difference]: With dead ends: 149 [2018-02-04 16:49:06,051 INFO L226 Difference]: Without dead ends: 149 [2018-02-04 16:49:06,051 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 16:49:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-02-04 16:49:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 134. [2018-02-04 16:49:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 16:49:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2018-02-04 16:49:06,062 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 16 [2018-02-04 16:49:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:06,062 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2018-02-04 16:49:06,062 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 16:49:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2018-02-04 16:49:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 16:49:06,063 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:06,063 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:06,063 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:06,064 INFO L82 PathProgramCache]: Analyzing trace with hash 579798923, now seen corresponding path program 1 times [2018-02-04 16:49:06,065 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:06,079 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,142 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:06,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 16:49:06,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,143 INFO L182 omatonBuilderFactory]: Interpolants [1056#true, 1057#false, 1058#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1059#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 1060#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 1061#(and (= main_~end~0.offset 0) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 1062#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 16:49:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,143 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 16:49:06,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 16:49:06,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:49:06,144 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand 7 states. [2018-02-04 16:49:06,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:06,350 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2018-02-04 16:49:06,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:49:06,351 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-02-04 16:49:06,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:06,352 INFO L225 Difference]: With dead ends: 170 [2018-02-04 16:49:06,352 INFO L226 Difference]: Without dead ends: 170 [2018-02-04 16:49:06,352 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 16:49:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-04 16:49:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 145. [2018-02-04 16:49:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 16:49:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 157 transitions. [2018-02-04 16:49:06,360 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 157 transitions. Word has length 16 [2018-02-04 16:49:06,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:06,361 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 157 transitions. [2018-02-04 16:49:06,361 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 16:49:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2018-02-04 16:49:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 16:49:06,361 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:06,362 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:06,362 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:06,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1158984530, now seen corresponding path program 1 times [2018-02-04 16:49:06,363 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:06,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,428 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:06,428 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:49:06,428 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,429 INFO L182 omatonBuilderFactory]: Interpolants [1384#true, 1385#false, 1386#(and (= 0 |main_#t~malloc5.offset|) (= 12 (select |#length| |main_#t~malloc5.base|))), 1387#(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))), 1388#(and (= (select |#length| |main_#t~mem7.base|) 12) (= |main_#t~mem7.offset| 0))] [2018-02-04 16:49:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,429 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:06,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:06,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:06,430 INFO L87 Difference]: Start difference. First operand 145 states and 157 transitions. Second operand 5 states. [2018-02-04 16:49:06,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:06,584 INFO L93 Difference]: Finished difference Result 215 states and 233 transitions. [2018-02-04 16:49:06,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:49:06,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 16:49:06,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:06,584 INFO L225 Difference]: With dead ends: 215 [2018-02-04 16:49:06,585 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 16:49:06,585 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 16:49:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 16:49:06,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 144. [2018-02-04 16:49:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-02-04 16:49:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2018-02-04 16:49:06,589 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 18 [2018-02-04 16:49:06,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:06,589 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2018-02-04 16:49:06,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2018-02-04 16:49:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 16:49:06,590 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:06,590 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:06,590 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:06,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1158984531, now seen corresponding path program 1 times [2018-02-04 16:49:06,591 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:06,600 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,632 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:06,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:49:06,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,632 INFO L182 omatonBuilderFactory]: Interpolants [1754#true, 1755#false, 1756#(= 1 (select |#valid| |main_#t~malloc5.base|)), 1757#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 1758#(= 1 (select |#valid| |main_#t~mem7.base|))] [2018-02-04 16:49:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:06,633 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:06,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:06,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:06,633 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand 5 states. [2018-02-04 16:49:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:06,762 INFO L93 Difference]: Finished difference Result 191 states and 206 transitions. [2018-02-04 16:49:06,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:49:06,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 16:49:06,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:06,763 INFO L225 Difference]: With dead ends: 191 [2018-02-04 16:49:06,763 INFO L226 Difference]: Without dead ends: 191 [2018-02-04 16:49:06,763 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 16:49:06,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-02-04 16:49:06,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 143. [2018-02-04 16:49:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 16:49:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 153 transitions. [2018-02-04 16:49:06,766 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 153 transitions. Word has length 18 [2018-02-04 16:49:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:06,766 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 153 transitions. [2018-02-04 16:49:06,766 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2018-02-04 16:49:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 16:49:06,766 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:06,766 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] [2018-02-04 16:49:06,767 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:06,767 INFO L82 PathProgramCache]: Analyzing trace with hash -2048091345, now seen corresponding path program 1 times [2018-02-04 16:49:06,767 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:06,777 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:06,841 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 16:49:06,841 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:06,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 16:49:06,842 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:06,842 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 16:49:06,842 INFO L182 omatonBuilderFactory]: Interpolants [2097#true, 2098#false, 2099#(= (select |#valid| main_~list~0.base) 1), 2100#(= (select |#valid| main_~end~0.base) 1), 2101#(and (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 2102#(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)))), 2103#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem7.base|))), 2104#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 2105#(= 1 (select |#valid| |main_#t~mem9.base|))] [2018-02-04 16:49:06,842 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 16:49:06,843 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 16:49:06,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 16:49:06,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:49:06,843 INFO L87 Difference]: Start difference. First operand 143 states and 153 transitions. Second operand 9 states. [2018-02-04 16:49:07,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:07,073 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2018-02-04 16:49:07,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 16:49:07,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-02-04 16:49:07,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:07,074 INFO L225 Difference]: With dead ends: 156 [2018-02-04 16:49:07,074 INFO L226 Difference]: Without dead ends: 156 [2018-02-04 16:49:07,074 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 16:49:07,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-02-04 16:49:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 142. [2018-02-04 16:49:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 16:49:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 152 transitions. [2018-02-04 16:49:07,077 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 152 transitions. Word has length 22 [2018-02-04 16:49:07,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:07,078 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 152 transitions. [2018-02-04 16:49:07,078 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 16:49:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 152 transitions. [2018-02-04 16:49:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 16:49:07,078 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:07,078 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] [2018-02-04 16:49:07,079 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:07,079 INFO L82 PathProgramCache]: Analyzing trace with hash -2048091344, now seen corresponding path program 1 times [2018-02-04 16:49:07,080 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:07,090 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,198 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:07,198 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 16:49:07,198 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,199 INFO L182 omatonBuilderFactory]: Interpolants [2416#(= (select |#valid| main_~list~0.base) 1), 2417#(= (select |#valid| main_~end~0.base) 1), 2418#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 2419#(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))), 2420#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 2421#(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))), 2422#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| |main_#t~mem9.base|))), 2423#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 2414#true, 2415#false] [2018-02-04 16:49:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,199 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 16:49:07,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 16:49:07,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 16:49:07,200 INFO L87 Difference]: Start difference. First operand 142 states and 152 transitions. Second operand 10 states. [2018-02-04 16:49:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:07,589 INFO L93 Difference]: Finished difference Result 172 states and 183 transitions. [2018-02-04 16:49:07,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 16:49:07,590 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-02-04 16:49:07,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:07,591 INFO L225 Difference]: With dead ends: 172 [2018-02-04 16:49:07,591 INFO L226 Difference]: Without dead ends: 172 [2018-02-04 16:49:07,591 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 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 16:49:07,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-02-04 16:49:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 147. [2018-02-04 16:49:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 16:49:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2018-02-04 16:49:07,594 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 22 [2018-02-04 16:49:07,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:07,594 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2018-02-04 16:49:07,594 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 16:49:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2018-02-04 16:49:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 16:49:07,595 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:07,595 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] [2018-02-04 16:49:07,595 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:07,595 INFO L82 PathProgramCache]: Analyzing trace with hash -328401667, now seen corresponding path program 1 times [2018-02-04 16:49:07,596 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:07,600 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,621 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:07,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 16:49:07,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,621 INFO L182 omatonBuilderFactory]: Interpolants [2768#(not (= 0 main_~list~0.base)), 2769#(not (= 0 main_~end~0.base)), 2765#true, 2766#false, 2767#(not (= 0 |main_#t~malloc0.base|))] [2018-02-04 16:49:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:07,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:07,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:07,622 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand 5 states. [2018-02-04 16:49:07,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:07,723 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2018-02-04 16:49:07,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:49:07,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-02-04 16:49:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:07,724 INFO L225 Difference]: With dead ends: 165 [2018-02-04 16:49:07,725 INFO L226 Difference]: Without dead ends: 165 [2018-02-04 16:49:07,725 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 16:49:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-04 16:49:07,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2018-02-04 16:49:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 16:49:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2018-02-04 16:49:07,728 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 28 [2018-02-04 16:49:07,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:07,728 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2018-02-04 16:49:07,728 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2018-02-04 16:49:07,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 16:49:07,729 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:07,729 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] [2018-02-04 16:49:07,729 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:07,729 INFO L82 PathProgramCache]: Analyzing trace with hash 143362465, now seen corresponding path program 1 times [2018-02-04 16:49:07,730 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:07,739 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,766 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:07,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:49:07,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,766 INFO L182 omatonBuilderFactory]: Interpolants [3088#(= 1 (select |#valid| |main_#t~malloc14.base|)), 3089#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 3090#(= 1 (select |#valid| |main_#t~mem16.base|)), 3086#true, 3087#false] [2018-02-04 16:49:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:07,766 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:07,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:07,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:07,767 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand 5 states. [2018-02-04 16:49:07,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:07,938 INFO L93 Difference]: Finished difference Result 218 states and 232 transitions. [2018-02-04 16:49:07,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:49:07,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-02-04 16:49:07,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:07,940 INFO L225 Difference]: With dead ends: 218 [2018-02-04 16:49:07,940 INFO L226 Difference]: Without dead ends: 218 [2018-02-04 16:49:07,940 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 16:49:07,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-02-04 16:49:07,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 146. [2018-02-04 16:49:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-04 16:49:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-02-04 16:49:07,944 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 29 [2018-02-04 16:49:07,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:07,945 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-02-04 16:49:07,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-02-04 16:49:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 16:49:07,945 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:07,946 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] [2018-02-04 16:49:07,946 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:07,946 INFO L82 PathProgramCache]: Analyzing trace with hash 143362466, now seen corresponding path program 1 times [2018-02-04 16:49:07,947 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:07,958 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:08,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:08,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 16:49:08,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:08,002 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 16:49:08,002 INFO L182 omatonBuilderFactory]: Interpolants [3459#true, 3460#false, 3461#(and (= 12 (select |#length| |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|)), 3462#(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))), 3463#(and (= |main_#t~mem16.offset| 0) (= (select |#length| |main_#t~mem16.base|) 12))] [2018-02-04 16:49:08,002 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 16:49:08,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:08,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:08,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:08,003 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 5 states. [2018-02-04 16:49:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:08,200 INFO L93 Difference]: Finished difference Result 243 states and 258 transitions. [2018-02-04 16:49:08,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 16:49:08,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-02-04 16:49:08,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:08,202 INFO L225 Difference]: With dead ends: 243 [2018-02-04 16:49:08,202 INFO L226 Difference]: Without dead ends: 243 [2018-02-04 16:49:08,202 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 16:49:08,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-02-04 16:49:08,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 145. [2018-02-04 16:49:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 16:49:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2018-02-04 16:49:08,206 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 29 [2018-02-04 16:49:08,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:08,206 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2018-02-04 16:49:08,206 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2018-02-04 16:49:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-04 16:49:08,207 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:08,207 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] [2018-02-04 16:49:08,207 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:08,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1819547941, now seen corresponding path program 1 times [2018-02-04 16:49:08,208 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:08,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:08,303 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 16:49:08,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:08,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 16:49:08,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:08,304 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 16:49:08,304 INFO L182 omatonBuilderFactory]: Interpolants [3858#true, 3859#false, 3860#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset))), 3861#(and (= 0 (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))), 3862#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 3863#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:49:08,304 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 16:49:08,304 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 16:49:08,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 16:49:08,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 16:49:08,305 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand 6 states. [2018-02-04 16:49:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:08,491 INFO L93 Difference]: Finished difference Result 204 states and 217 transitions. [2018-02-04 16:49:08,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 16:49:08,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-02-04 16:49:08,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:08,492 INFO L225 Difference]: With dead ends: 204 [2018-02-04 16:49:08,492 INFO L226 Difference]: Without dead ends: 204 [2018-02-04 16:49:08,493 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:49:08,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-02-04 16:49:08,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 164. [2018-02-04 16:49:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-02-04 16:49:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 174 transitions. [2018-02-04 16:49:08,496 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 174 transitions. Word has length 31 [2018-02-04 16:49:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:08,496 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 174 transitions. [2018-02-04 16:49:08,497 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 16:49:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 174 transitions. [2018-02-04 16:49:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 16:49:08,497 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:08,497 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:08,498 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:08,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1392569911, now seen corresponding path program 1 times [2018-02-04 16:49:08,499 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:08,504 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:08,561 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:08,561 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 16:49:08,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:08,561 INFO L182 omatonBuilderFactory]: Interpolants [4240#(= |main_#t~mem23| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 4241#(= ~unnamed0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 4242#(= ~unnamed0~BLACK |main_#t~mem24|), 4238#true, 4239#false] [2018-02-04 16:49:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:08,562 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:08,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:08,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:08,562 INFO L87 Difference]: Start difference. First operand 164 states and 174 transitions. Second operand 5 states. [2018-02-04 16:49:08,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:08,652 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2018-02-04 16:49:08,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 16:49:08,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-02-04 16:49:08,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:08,653 INFO L225 Difference]: With dead ends: 168 [2018-02-04 16:49:08,653 INFO L226 Difference]: Without dead ends: 168 [2018-02-04 16:49:08,653 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 16:49:08,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-02-04 16:49:08,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 163. [2018-02-04 16:49:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-02-04 16:49:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 171 transitions. [2018-02-04 16:49:08,655 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 171 transitions. Word has length 33 [2018-02-04 16:49:08,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:08,655 INFO L432 AbstractCegarLoop]: Abstraction has 163 states and 171 transitions. [2018-02-04 16:49:08,655 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 171 transitions. [2018-02-04 16:49:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 16:49:08,656 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:08,656 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:08,656 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:08,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1586189731, now seen corresponding path program 1 times [2018-02-04 16:49:08,657 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:08,667 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:08,747 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:08,747 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 16:49:08,747 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:08,748 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 16:49:08,748 INFO L182 omatonBuilderFactory]: Interpolants [4576#true, 4577#false, 4578#(= (select |#valid| main_~end~0.base) 1), 4579#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 1 (select |#valid| |main_#t~malloc14.base|))), 4580#(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)))), 4581#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 4582#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 4583#(= 1 (select |#valid| |main_#t~mem18.base|))] [2018-02-04 16:49:08,748 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 16:49:08,748 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 16:49:08,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 16:49:08,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:49:08,749 INFO L87 Difference]: Start difference. First operand 163 states and 171 transitions. Second operand 8 states. [2018-02-04 16:49:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:08,991 INFO L93 Difference]: Finished difference Result 164 states and 172 transitions. [2018-02-04 16:49:08,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 16:49:08,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-02-04 16:49:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:08,992 INFO L225 Difference]: With dead ends: 164 [2018-02-04 16:49:08,992 INFO L226 Difference]: Without dead ends: 164 [2018-02-04 16:49:08,992 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-02-04 16:49:08,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-02-04 16:49:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2018-02-04 16:49:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-04 16:49:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 170 transitions. [2018-02-04 16:49:08,995 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 170 transitions. Word has length 33 [2018-02-04 16:49:08,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:08,996 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 170 transitions. [2018-02-04 16:49:08,996 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 16:49:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 170 transitions. [2018-02-04 16:49:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 16:49:08,996 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:08,996 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:08,997 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:08,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1586189732, now seen corresponding path program 1 times [2018-02-04 16:49:08,998 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:09,011 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:09,087 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 16:49:09,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 16:49:09,087 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:09,088 INFO L182 omatonBuilderFactory]: Interpolants [4918#true, 4919#false, 4920#(= (select |#valid| main_~end~0.base) 1), 4921#(and (= 12 (select |#length| |main_#t~malloc14.base|)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|)), 4922#(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))), 4923#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4924#(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))), 4925#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 4926#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-02-04 16:49:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:09,088 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 16:49:09,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 16:49:09,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:49:09,088 INFO L87 Difference]: Start difference. First operand 162 states and 170 transitions. Second operand 9 states. [2018-02-04 16:49:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:09,351 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2018-02-04 16:49:09,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 16:49:09,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-02-04 16:49:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:09,352 INFO L225 Difference]: With dead ends: 159 [2018-02-04 16:49:09,352 INFO L226 Difference]: Without dead ends: 159 [2018-02-04 16:49:09,352 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:49:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-04 16:49:09,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 135. [2018-02-04 16:49:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 16:49:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 142 transitions. [2018-02-04 16:49:09,355 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 142 transitions. Word has length 33 [2018-02-04 16:49:09,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:09,355 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 142 transitions. [2018-02-04 16:49:09,355 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 16:49:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 142 transitions. [2018-02-04 16:49:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 16:49:09,356 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:09,356 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] [2018-02-04 16:49:09,356 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:09,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1600298851, now seen corresponding path program 1 times [2018-02-04 16:49:09,357 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:09,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:09,410 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 16:49:09,410 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:09,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 16:49:09,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:09,411 INFO L182 omatonBuilderFactory]: Interpolants [5232#true, 5233#false, 5234#(= ~unnamed0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 5235#(and (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem23|) (= ~unnamed0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 5236#(= (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))), 5237#(= |main_#t~mem24| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 5238#(not (= ~unnamed0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 5239#(not (= ~unnamed0~RED |main_#t~mem28|))] [2018-02-04 16:49:09,412 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 16:49:09,412 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 16:49:09,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 16:49:09,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-02-04 16:49:09,412 INFO L87 Difference]: Start difference. First operand 135 states and 142 transitions. Second operand 8 states. [2018-02-04 16:49:09,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:09,594 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2018-02-04 16:49:09,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 16:49:09,594 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-02-04 16:49:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:09,594 INFO L225 Difference]: With dead ends: 159 [2018-02-04 16:49:09,594 INFO L226 Difference]: Without dead ends: 159 [2018-02-04 16:49:09,595 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 16:49:09,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-04 16:49:09,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 132. [2018-02-04 16:49:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-02-04 16:49:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 138 transitions. [2018-02-04 16:49:09,597 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 138 transitions. Word has length 38 [2018-02-04 16:49:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:09,597 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 138 transitions. [2018-02-04 16:49:09,597 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 16:49:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2018-02-04 16:49:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 16:49:09,597 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:09,597 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] [2018-02-04 16:49:09,597 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:09,598 INFO L82 PathProgramCache]: Analyzing trace with hash -25033053, now seen corresponding path program 1 times [2018-02-04 16:49:09,598 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:09,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:09,671 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 16:49:09,671 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:09,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 16:49:09,672 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:09,672 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 16:49:09,672 INFO L182 omatonBuilderFactory]: Interpolants [5552#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 5553#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base)), 5545#true, 5546#false, 5547#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)), 5548#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 5549#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base)), 5550#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 5551#(and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|))] [2018-02-04 16:49:09,672 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 16:49:09,672 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 16:49:09,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 16:49:09,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:49:09,672 INFO L87 Difference]: Start difference. First operand 132 states and 138 transitions. Second operand 9 states. [2018-02-04 16:49:09,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:09,916 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions. [2018-02-04 16:49:09,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 16:49:09,916 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2018-02-04 16:49:09,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:09,917 INFO L225 Difference]: With dead ends: 177 [2018-02-04 16:49:09,917 INFO L226 Difference]: Without dead ends: 177 [2018-02-04 16:49:09,917 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 16:49:09,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-04 16:49:09,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 145. [2018-02-04 16:49:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 16:49:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 152 transitions. [2018-02-04 16:49:09,920 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 152 transitions. Word has length 41 [2018-02-04 16:49:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:09,920 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 152 transitions. [2018-02-04 16:49:09,920 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 16:49:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2018-02-04 16:49:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 16:49:09,920 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:09,921 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:09,921 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:09,921 INFO L82 PathProgramCache]: Analyzing trace with hash -776025256, now seen corresponding path program 1 times [2018-02-04 16:49:09,922 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:09,929 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:09,983 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 16:49:09,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:09,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-04 16:49:09,984 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:09,984 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 16:49:09,984 INFO L182 omatonBuilderFactory]: Interpolants [5889#true, 5890#false, 5891#(= |#valid| |old(#valid)|), 5892#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 5893#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|))] [2018-02-04 16:49:09,984 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 16:49:09,985 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 16:49:09,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 16:49:09,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 16:49:09,985 INFO L87 Difference]: Start difference. First operand 145 states and 152 transitions. Second operand 5 states. [2018-02-04 16:49:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:10,163 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2018-02-04 16:49:10,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 16:49:10,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-02-04 16:49:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:10,164 INFO L225 Difference]: With dead ends: 158 [2018-02-04 16:49:10,164 INFO L226 Difference]: Without dead ends: 130 [2018-02-04 16:49:10,164 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 16:49:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-02-04 16:49:10,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2018-02-04 16:49:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-02-04 16:49:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 135 transitions. [2018-02-04 16:49:10,168 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 135 transitions. Word has length 42 [2018-02-04 16:49:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:10,168 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 135 transitions. [2018-02-04 16:49:10,168 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 16:49:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 135 transitions. [2018-02-04 16:49:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 16:49:10,169 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:10,169 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] [2018-02-04 16:49:10,169 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:10,170 INFO L82 PathProgramCache]: Analyzing trace with hash -460710900, now seen corresponding path program 1 times [2018-02-04 16:49:10,170 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:10,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:10,478 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 16:49:10,478 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:10,478 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:10,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:10,479 INFO L182 omatonBuilderFactory]: Interpolants [6187#true, 6188#false, 6189#(= 0 |main_#t~malloc0.offset|), 6190#(= 0 main_~list~0.offset), 6191#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 6192#(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)), 6193#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 6194#(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)))), 6195#(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 |main_#t~mem7.base|))), 6196#(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)), 6197#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| main_~list~0.offset)), 6198#(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 0)) 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))), 6199#(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))), 6200#(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))), 6201#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 6202#(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) (= 0 (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)))), 6203#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 6204#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 6205#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 6206#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 6207#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:10,479 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 16:49:10,479 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:10,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:10,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:10,480 INFO L87 Difference]: Start difference. First operand 129 states and 135 transitions. Second operand 21 states. [2018-02-04 16:49:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:11,431 INFO L93 Difference]: Finished difference Result 237 states and 249 transitions. [2018-02-04 16:49:11,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 16:49:11,431 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 56 [2018-02-04 16:49:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:11,432 INFO L225 Difference]: With dead ends: 237 [2018-02-04 16:49:11,432 INFO L226 Difference]: Without dead ends: 237 [2018-02-04 16:49:11,432 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=472, Invalid=1508, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 16:49:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-02-04 16:49:11,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 171. [2018-02-04 16:49:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-04 16:49:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 181 transitions. [2018-02-04 16:49:11,434 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 181 transitions. Word has length 56 [2018-02-04 16:49:11,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:11,435 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 181 transitions. [2018-02-04 16:49:11,435 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 181 transitions. [2018-02-04 16:49:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 16:49:11,435 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:11,435 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] [2018-02-04 16:49:11,435 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:11,436 INFO L82 PathProgramCache]: Analyzing trace with hash -460710899, now seen corresponding path program 1 times [2018-02-04 16:49:11,436 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:11,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:11,741 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 16:49:11,741 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:11,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:11,741 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:11,742 INFO L182 omatonBuilderFactory]: Interpolants [6664#true, 6665#false, 6666#(= 0 |main_#t~malloc0.offset|), 6667#(= 0 main_~list~0.offset), 6668#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 6669#(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)), 6670#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 6671#(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)))), 6672#(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 |main_#t~mem7.base|))), 6673#(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))), 6674#(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~mem9.base|) (= |main_#t~mem9.offset| main_~list~0.offset)), 6675#(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 0)) 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 0)) 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))), 6676#(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))), 6677#(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))), 6678#(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~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 6679#(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) (= 0 (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)))), 6680#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 6681#(or (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))) (and (= 0 (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)))), 6682#(or (and (= 0 |main_#t~mem27.offset|) (<= 12 (select |#length| |main_#t~mem27.base|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 6683#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))), 6684#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))] [2018-02-04 16:49:11,742 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 16:49:11,742 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:11,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:11,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:11,742 INFO L87 Difference]: Start difference. First operand 171 states and 181 transitions. Second operand 21 states. [2018-02-04 16:49:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:12,933 INFO L93 Difference]: Finished difference Result 237 states and 250 transitions. [2018-02-04 16:49:12,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 16:49:12,933 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 56 [2018-02-04 16:49:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:12,934 INFO L225 Difference]: With dead ends: 237 [2018-02-04 16:49:12,934 INFO L226 Difference]: Without dead ends: 237 [2018-02-04 16:49:12,935 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=457, Invalid=1613, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 16:49:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-02-04 16:49:12,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 174. [2018-02-04 16:49:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-04 16:49:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 184 transitions. [2018-02-04 16:49:12,937 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 184 transitions. Word has length 56 [2018-02-04 16:49:12,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:12,937 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 184 transitions. [2018-02-04 16:49:12,937 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2018-02-04 16:49:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 16:49:12,937 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:12,937 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] [2018-02-04 16:49:12,937 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:12,938 INFO L82 PathProgramCache]: Analyzing trace with hash -492971214, now seen corresponding path program 2 times [2018-02-04 16:49:12,938 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:12,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:13,284 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 16:49:13,284 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:13,284 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 16:49:13,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:13,285 INFO L182 omatonBuilderFactory]: Interpolants [7146#true, 7147#false, 7148#(= 0 |main_#t~malloc0.offset|), 7149#(= 0 main_~list~0.offset), 7150#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 7151#(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)), 7152#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 7153#(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)))), 7154#(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 |main_#t~mem7.base|))), 7155#(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)), 7156#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| main_~list~0.offset)), 7157#(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 0)) 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 0)) 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))), 7158#(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))), 7159#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= |main_#t~mem22.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)) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 7160#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))), 7161#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7162#(or (and (= 0 (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 (= 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_~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))))), 7163#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 7164#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (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)))), 7165#(and (= 0 (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))), 7166#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 7167#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:49:13,285 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 16:49:13,285 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 16:49:13,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 16:49:13,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2018-02-04 16:49:13,285 INFO L87 Difference]: Start difference. First operand 174 states and 184 transitions. Second operand 22 states. [2018-02-04 16:49:14,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:14,213 INFO L93 Difference]: Finished difference Result 245 states and 258 transitions. [2018-02-04 16:49:14,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 16:49:14,214 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 62 [2018-02-04 16:49:14,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:14,214 INFO L225 Difference]: With dead ends: 245 [2018-02-04 16:49:14,214 INFO L226 Difference]: Without dead ends: 245 [2018-02-04 16:49:14,215 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=363, Invalid=1529, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 16:49:14,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-04 16:49:14,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 177. [2018-02-04 16:49:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-02-04 16:49:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 187 transitions. [2018-02-04 16:49:14,217 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 187 transitions. Word has length 62 [2018-02-04 16:49:14,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:14,218 INFO L432 AbstractCegarLoop]: Abstraction has 177 states and 187 transitions. [2018-02-04 16:49:14,218 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 16:49:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 187 transitions. [2018-02-04 16:49:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 16:49:14,218 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:14,219 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:14,219 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:14,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1069581462, now seen corresponding path program 1 times [2018-02-04 16:49:14,220 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:14,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:14,568 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 16:49:14,569 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:14,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 16:49:14,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:14,569 INFO L182 omatonBuilderFactory]: Interpolants [7648#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))), 7649#(or (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7650#(or (and (= 0 (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 (= 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_~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))))), 7651#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 7652#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (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)))), 7653#(and (= 0 (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))), 7654#(and (= 0 |main_#t~mem25.base|) (= 0 |main_#t~mem25.offset|)), 7655#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 7634#true, 7635#false, 7636#(= 0 |main_#t~malloc0.offset|), 7637#(= 0 main_~list~0.offset), 7638#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 7639#(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)), 7640#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 7641#(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)))), 7642#(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 |main_#t~mem7.base|))), 7643#(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)), 7644#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| main_~list~0.offset)), 7645#(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 0)) 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 0)) 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))), 7646#(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))), 7647#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= |main_#t~mem22.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)) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))] [2018-02-04 16:49:14,569 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 16:49:14,570 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 16:49:14,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 16:49:14,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-02-04 16:49:14,570 INFO L87 Difference]: Start difference. First operand 177 states and 187 transitions. Second operand 22 states. [2018-02-04 16:49:15,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:15,549 INFO L93 Difference]: Finished difference Result 226 states and 236 transitions. [2018-02-04 16:49:15,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 16:49:15,549 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-02-04 16:49:15,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:15,550 INFO L225 Difference]: With dead ends: 226 [2018-02-04 16:49:15,550 INFO L226 Difference]: Without dead ends: 222 [2018-02-04 16:49:15,551 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=378, Invalid=1602, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 16:49:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-02-04 16:49:15,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 176. [2018-02-04 16:49:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-02-04 16:49:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 185 transitions. [2018-02-04 16:49:15,553 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 185 transitions. Word has length 64 [2018-02-04 16:49:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:15,553 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 185 transitions. [2018-02-04 16:49:15,553 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 16:49:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 185 transitions. [2018-02-04 16:49:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 16:49:15,554 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:15,554 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] [2018-02-04 16:49:15,554 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:15,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1120525699, now seen corresponding path program 1 times [2018-02-04 16:49:15,554 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:15,566 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:16,258 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:16,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 16:49:16,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:16,259 INFO L182 omatonBuilderFactory]: Interpolants [8128#(= 1 (select |#valid| main_~end~0.base)), 8104#true, 8105#false, 8106#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 8107#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 8108#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 8109#(and (= main_~end~0.offset 0) (= 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))), 8110#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| main_~end~0.base))), 8111#(and (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~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))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 8112#(and (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~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))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 8113#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 8114#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 8115#(and (= 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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 8116#(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) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~list~0.base))), 8117#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 8118#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~list~0.base))), 8119#(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 0)) main_~list~0.base) main_~list~0.offset)))) (and (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset main_~list~0.offset)) (= (select |#length| main_~end~0.base) 12) (or (and (= main_~end~0.base main_~list~0.base) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0) main_~list~0.offset)) (not (= (+ main_~end~0.offset 8) main_~list~0.offset))) (<= (+ main_~end~0.offset 1) 0)))), 8120#(or (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)))) (and (= main_~end~0.base main_~list~0.base) (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))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (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))) (= 12 (select |#length| main_~list~0.base)))), 8121#(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) (= 12 (select |#length| main_~list~0.base)))), 8122#(or (and (= |main_#t~mem22.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 (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~list~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 8123#(or (and (= 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)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~list~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 8124#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 8125#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8126#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 8127#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base)))] [2018-02-04 16:49:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:16,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 16:49:16,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 16:49:16,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-02-04 16:49:16,260 INFO L87 Difference]: Start difference. First operand 176 states and 185 transitions. Second operand 25 states. [2018-02-04 16:49:17,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:17,935 INFO L93 Difference]: Finished difference Result 287 states and 301 transitions. [2018-02-04 16:49:17,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 16:49:17,935 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 65 [2018-02-04 16:49:17,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:17,936 INFO L225 Difference]: With dead ends: 287 [2018-02-04 16:49:17,936 INFO L226 Difference]: Without dead ends: 287 [2018-02-04 16:49:17,936 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=857, Invalid=2683, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 16:49:17,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-02-04 16:49:17,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 217. [2018-02-04 16:49:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-02-04 16:49:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 229 transitions. [2018-02-04 16:49:17,938 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 229 transitions. Word has length 65 [2018-02-04 16:49:17,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:17,939 INFO L432 AbstractCegarLoop]: Abstraction has 217 states and 229 transitions. [2018-02-04 16:49:17,939 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 16:49:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2018-02-04 16:49:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 16:49:17,939 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:17,939 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] [2018-02-04 16:49:17,939 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:17,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1120525700, now seen corresponding path program 1 times [2018-02-04 16:49:17,940 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:17,950 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:18,329 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 16:49:18,330 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:18,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 16:49:18,330 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:18,331 INFO L182 omatonBuilderFactory]: Interpolants [8704#false, 8705#(= (select |#valid| main_~list~0.base) 1), 8706#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8707#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 8708#(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))), 8709#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 8710#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 8711#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 8712#(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)), 8713#(and (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.base|)) (= 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 8714#(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)))), 8715#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 8716#(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))), 8717#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem18.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 8718#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 8719#(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)))), 8720#(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))), 8721#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 8722#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 8703#true] [2018-02-04 16:49:18,331 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 16:49:18,331 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 16:49:18,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 16:49:18,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-02-04 16:49:18,331 INFO L87 Difference]: Start difference. First operand 217 states and 229 transitions. Second operand 20 states. [2018-02-04 16:49:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:19,072 INFO L93 Difference]: Finished difference Result 267 states and 281 transitions. [2018-02-04 16:49:19,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:49:19,073 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 65 [2018-02-04 16:49:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:19,074 INFO L225 Difference]: With dead ends: 267 [2018-02-04 16:49:19,074 INFO L226 Difference]: Without dead ends: 267 [2018-02-04 16:49:19,074 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:49:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-02-04 16:49:19,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 220. [2018-02-04 16:49:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-02-04 16:49:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 232 transitions. [2018-02-04 16:49:19,076 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 232 transitions. Word has length 65 [2018-02-04 16:49:19,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:19,076 INFO L432 AbstractCegarLoop]: Abstraction has 220 states and 232 transitions. [2018-02-04 16:49:19,076 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 16:49:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 232 transitions. [2018-02-04 16:49:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 16:49:19,077 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:19,077 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] [2018-02-04 16:49:19,077 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash -461389295, now seen corresponding path program 1 times [2018-02-04 16:49:19,078 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:19,084 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:19,221 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 16:49:19,221 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:19,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 16:49:19,221 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:19,222 INFO L182 omatonBuilderFactory]: Interpolants [9248#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 9249#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)), 9250#(not (= |main_#t~mem27.base| 0)), 9251#(not (= main_~end~0.base 0)), 9238#true, 9239#false, 9240#(= (select |#valid| main_~list~0.base) 1), 9241#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9242#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 9243#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 9244#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 9245#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)), 9246#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0)), 9247#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))] [2018-02-04 16:49:19,222 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 16:49:19,222 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 16:49:19,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 16:49:19,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:49:19,222 INFO L87 Difference]: Start difference. First operand 220 states and 232 transitions. Second operand 14 states. [2018-02-04 16:49:19,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:19,567 INFO L93 Difference]: Finished difference Result 236 states and 247 transitions. [2018-02-04 16:49:19,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 16:49:19,567 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 67 [2018-02-04 16:49:19,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:19,568 INFO L225 Difference]: With dead ends: 236 [2018-02-04 16:49:19,568 INFO L226 Difference]: Without dead ends: 236 [2018-02-04 16:49:19,568 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2018-02-04 16:49:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-02-04 16:49:19,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 220. [2018-02-04 16:49:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-02-04 16:49:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 231 transitions. [2018-02-04 16:49:19,571 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 231 transitions. Word has length 67 [2018-02-04 16:49:19,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:19,571 INFO L432 AbstractCegarLoop]: Abstraction has 220 states and 231 transitions. [2018-02-04 16:49:19,571 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 16:49:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 231 transitions. [2018-02-04 16:49:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 16:49:19,571 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:19,572 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] [2018-02-04 16:49:19,572 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:19,572 INFO L82 PathProgramCache]: Analyzing trace with hash 2135844713, now seen corresponding path program 2 times [2018-02-04 16:49:19,572 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:19,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:19,934 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 16:49:19,934 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:19,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:19,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:19,935 INFO L182 omatonBuilderFactory]: Interpolants [9728#true, 9729#false, 9730#(= (select |#valid| main_~list~0.base) 1), 9731#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9732#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 9733#(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))), 9734#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 9735#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 9736#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 9737#(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))), 9738#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 1 (select |#valid| |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 9739#(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)))), 9740#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 9741#(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~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 9742#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 9743#(= 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)))), 9744#(= 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)))), 9745#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 9746#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 9747#(= 1 (select |#valid| |main_#t~mem27.base|)), 9748#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:19,935 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 16:49:19,935 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:19,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:19,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:19,936 INFO L87 Difference]: Start difference. First operand 220 states and 231 transitions. Second operand 21 states. [2018-02-04 16:49:20,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:20,797 INFO L93 Difference]: Finished difference Result 278 states and 292 transitions. [2018-02-04 16:49:20,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 16:49:20,798 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 71 [2018-02-04 16:49:20,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:20,798 INFO L225 Difference]: With dead ends: 278 [2018-02-04 16:49:20,798 INFO L226 Difference]: Without dead ends: 278 [2018-02-04 16:49:20,799 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=257, Invalid=1383, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 16:49:20,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-02-04 16:49:20,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 224. [2018-02-04 16:49:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-02-04 16:49:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 237 transitions. [2018-02-04 16:49:20,801 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 237 transitions. Word has length 71 [2018-02-04 16:49:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:20,801 INFO L432 AbstractCegarLoop]: Abstraction has 224 states and 237 transitions. [2018-02-04 16:49:20,801 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 237 transitions. [2018-02-04 16:49:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 16:49:20,801 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:20,801 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] [2018-02-04 16:49:20,801 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:20,802 INFO L82 PathProgramCache]: Analyzing trace with hash 2135844714, now seen corresponding path program 2 times [2018-02-04 16:49:20,802 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:20,823 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:21,255 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 16:49:21,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:21,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:21,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:21,256 INFO L182 omatonBuilderFactory]: Interpolants [10304#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.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 (= main_~list~0.base |main_#t~mem18.base|)) (= 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))))), 10305#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 10306#(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))))), 10307#(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))))), 10308#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 10309#(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))), 10310#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 10311#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 10291#true, 10292#false, 10293#(= (select |#valid| main_~list~0.base) 1), 10294#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 10295#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 10296#(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))), 10297#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 10298#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 10299#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 10300#(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))), 10301#(and (= 12 (select |#length| |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 10302#(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)))), 10303#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))))] [2018-02-04 16:49:21,256 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 16:49:21,257 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:21,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:21,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:21,257 INFO L87 Difference]: Start difference. First operand 224 states and 237 transitions. Second operand 21 states. [2018-02-04 16:49:22,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:22,305 INFO L93 Difference]: Finished difference Result 284 states and 299 transitions. [2018-02-04 16:49:22,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 16:49:22,305 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 71 [2018-02-04 16:49:22,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:22,306 INFO L225 Difference]: With dead ends: 284 [2018-02-04 16:49:22,306 INFO L226 Difference]: Without dead ends: 284 [2018-02-04 16:49:22,306 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:49:22,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-02-04 16:49:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 226. [2018-02-04 16:49:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-02-04 16:49:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 239 transitions. [2018-02-04 16:49:22,310 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 239 transitions. Word has length 71 [2018-02-04 16:49:22,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:22,310 INFO L432 AbstractCegarLoop]: Abstraction has 226 states and 239 transitions. [2018-02-04 16:49:22,310 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:22,310 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 239 transitions. [2018-02-04 16:49:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 16:49:22,311 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:22,311 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] [2018-02-04 16:49:22,311 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:22,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1954438256, now seen corresponding path program 1 times [2018-02-04 16:49:22,312 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:22,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:22,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:22,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:49:22,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:22,863 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 16:49:22,863 INFO L182 omatonBuilderFactory]: Interpolants [10852#true, 10853#false, 10854#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 10855#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 10856#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 10857#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 10858#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~list~0.offset |main_#t~malloc5.offset|)), 10859#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (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))), 10860#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 10861#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 10862#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~mem9.offset|) (= 0 main_~list~0.offset)), 10863#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (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 0)) main_~list~0.base) main_~list~0.offset)))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)))), 10864#(and (not (= 0 main_~list~0.base)) (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))) (= 0 main_~list~0.offset)), 10865#(and (not (= 0 main_~list~0.base)) (= 0 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~mem22.offset|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 10866#(and (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 10867#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 10868#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (= 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))))), 10869#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem27.base|))) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) 0))), 10870#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (or (= 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)))), 10871#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))))), 10872#(and (not (= 0 main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 |main_#t~mem27.base|))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 10873#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~end~0.base))))), 10874#(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)))), 10875#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem31.base|))), 10876#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 10877#(= 1 (select |#valid| main_~end~0.base)), 10878#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 16:49:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:22,863 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 16:49:22,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 16:49:22,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2018-02-04 16:49:22,863 INFO L87 Difference]: Start difference. First operand 226 states and 239 transitions. Second operand 27 states. [2018-02-04 16:49:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:24,121 INFO L93 Difference]: Finished difference Result 256 states and 270 transitions. [2018-02-04 16:49:24,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 16:49:24,121 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 72 [2018-02-04 16:49:24,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:24,122 INFO L225 Difference]: With dead ends: 256 [2018-02-04 16:49:24,122 INFO L226 Difference]: Without dead ends: 256 [2018-02-04 16:49:24,123 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=609, Invalid=2253, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 16:49:24,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-02-04 16:49:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 237. [2018-02-04 16:49:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 16:49:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 252 transitions. [2018-02-04 16:49:24,125 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 252 transitions. Word has length 72 [2018-02-04 16:49:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:24,126 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 252 transitions. [2018-02-04 16:49:24,126 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 16:49:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 252 transitions. [2018-02-04 16:49:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-02-04 16:49:24,126 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:24,127 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] [2018-02-04 16:49:24,127 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:24,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1954438257, now seen corresponding path program 1 times [2018-02-04 16:49:24,127 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:24,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:49:24,249 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:24,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 16:49:24,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:24,250 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 16:49:24,250 INFO L182 omatonBuilderFactory]: Interpolants [11426#true, 11427#false, 11428#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 11429#(and (= |main_#t~mem27.base| (select (select |#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~mem27.offset|)), 11430#(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))), 11431#(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))), 11432#(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))), 11433#(and (<= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 12) (select |#length| |main_#t~mem31.base|))), 11434#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 11435#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base)))] [2018-02-04 16:49:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:49:24,250 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 16:49:24,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 16:49:24,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 16:49:24,251 INFO L87 Difference]: Start difference. First operand 237 states and 252 transitions. Second operand 10 states. [2018-02-04 16:49:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:24,540 INFO L93 Difference]: Finished difference Result 285 states and 302 transitions. [2018-02-04 16:49:24,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 16:49:24,540 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2018-02-04 16:49:24,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:24,540 INFO L225 Difference]: With dead ends: 285 [2018-02-04 16:49:24,541 INFO L226 Difference]: Without dead ends: 285 [2018-02-04 16:49:24,541 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 16:49:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-02-04 16:49:24,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 244. [2018-02-04 16:49:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-02-04 16:49:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 261 transitions. [2018-02-04 16:49:24,543 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 261 transitions. Word has length 72 [2018-02-04 16:49:24,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:24,544 INFO L432 AbstractCegarLoop]: Abstraction has 244 states and 261 transitions. [2018-02-04 16:49:24,544 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 16:49:24,544 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 261 transitions. [2018-02-04 16:49:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 16:49:24,544 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:24,544 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] [2018-02-04 16:49:24,544 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:24,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1920917261, now seen corresponding path program 1 times [2018-02-04 16:49:24,545 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:24,553 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:24,898 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 16:49:24,898 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:24,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:24,899 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:24,899 INFO L182 omatonBuilderFactory]: Interpolants [11975#true, 11976#false, 11977#(= (select |#valid| main_~list~0.base) 1), 11978#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 11979#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 11980#(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))), 11981#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 11982#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 11983#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 11984#(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))), 11985#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 1 (select |#valid| |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 11986#(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)))), 11987#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 11988#(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~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 11989#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 11990#(= 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)))), 11991#(= 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)))), 11992#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 11993#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 11994#(= 1 (select |#valid| |main_#t~mem25.base|)), 11995#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:24,899 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 16:49:24,899 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:24,900 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:24,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:24,900 INFO L87 Difference]: Start difference. First operand 244 states and 261 transitions. Second operand 21 states. [2018-02-04 16:49:25,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:25,793 INFO L93 Difference]: Finished difference Result 298 states and 317 transitions. [2018-02-04 16:49:25,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 16:49:25,794 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 73 [2018-02-04 16:49:25,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:25,796 INFO L225 Difference]: With dead ends: 298 [2018-02-04 16:49:25,796 INFO L226 Difference]: Without dead ends: 298 [2018-02-04 16:49:25,796 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=1313, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 16:49:25,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-02-04 16:49:25,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 251. [2018-02-04 16:49:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-02-04 16:49:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 269 transitions. [2018-02-04 16:49:25,800 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 269 transitions. Word has length 73 [2018-02-04 16:49:25,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:25,800 INFO L432 AbstractCegarLoop]: Abstraction has 251 states and 269 transitions. [2018-02-04 16:49:25,800 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 269 transitions. [2018-02-04 16:49:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 16:49:25,801 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:25,801 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] [2018-02-04 16:49:25,801 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:25,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1920917262, now seen corresponding path program 1 times [2018-02-04 16:49:25,801 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:25,813 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:26,281 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 16:49:26,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:26,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:26,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:26,282 INFO L182 omatonBuilderFactory]: Interpolants [12583#true, 12584#false, 12585#(= (select |#valid| main_~list~0.base) 1), 12586#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 12587#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 12588#(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))), 12589#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 12590#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 12591#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 12592#(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))), 12593#(and (= 12 (select |#length| |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 12594#(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)))), 12595#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 12596#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.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 (= main_~list~0.base |main_#t~mem18.base|)) (= 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))))), 12597#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 12598#(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))))), 12599#(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))))), 12600#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 12601#(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))), 12602#(and (= 0 |main_#t~mem25.offset|) (= 12 (select |#length| |main_#t~mem25.base|))), 12603#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 16:49:26,282 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 16:49:26,282 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:26,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:26,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:26,282 INFO L87 Difference]: Start difference. First operand 251 states and 269 transitions. Second operand 21 states. [2018-02-04 16:49:27,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:27,339 INFO L93 Difference]: Finished difference Result 303 states and 322 transitions. [2018-02-04 16:49:27,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 16:49:27,339 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 73 [2018-02-04 16:49:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:27,340 INFO L225 Difference]: With dead ends: 303 [2018-02-04 16:49:27,340 INFO L226 Difference]: Without dead ends: 303 [2018-02-04 16:49:27,340 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:49:27,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-02-04 16:49:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 253. [2018-02-04 16:49:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-02-04 16:49:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 270 transitions. [2018-02-04 16:49:27,343 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 270 transitions. Word has length 73 [2018-02-04 16:49:27,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:27,343 INFO L432 AbstractCegarLoop]: Abstraction has 253 states and 270 transitions. [2018-02-04 16:49:27,343 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2018-02-04 16:49:27,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 16:49:27,344 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:27,344 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] [2018-02-04 16:49:27,344 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:27,344 INFO L82 PathProgramCache]: Analyzing trace with hash 458043179, now seen corresponding path program 2 times [2018-02-04 16:49:27,345 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:27,351 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:27,429 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 16:49:27,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:27,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 16:49:27,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:27,430 INFO L182 omatonBuilderFactory]: Interpolants [13190#true, 13191#false, 13192#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 13193#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 13194#(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))), 13195#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))), 13196#(or (not (= |main_#t~mem31.base| 0)) (not (= |main_#t~mem31.offset| 0))), 13197#(or (not (= main_~end~0.offset 0)) (not (= main_~end~0.base 0))), 13198#(or (not (= main_~list~0.offset 0)) (not (= main_~list~0.base 0)))] [2018-02-04 16:49:27,431 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 16:49:27,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 16:49:27,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 16:49:27,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 16:49:27,431 INFO L87 Difference]: Start difference. First operand 253 states and 270 transitions. Second operand 9 states. [2018-02-04 16:49:27,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:27,661 INFO L93 Difference]: Finished difference Result 278 states and 295 transitions. [2018-02-04 16:49:27,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 16:49:27,661 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2018-02-04 16:49:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:27,662 INFO L225 Difference]: With dead ends: 278 [2018-02-04 16:49:27,662 INFO L226 Difference]: Without dead ends: 278 [2018-02-04 16:49:27,662 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 16:49:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-02-04 16:49:27,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 253. [2018-02-04 16:49:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-02-04 16:49:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 268 transitions. [2018-02-04 16:49:27,664 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 268 transitions. Word has length 73 [2018-02-04 16:49:27,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:27,664 INFO L432 AbstractCegarLoop]: Abstraction has 253 states and 268 transitions. [2018-02-04 16:49:27,664 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 16:49:27,665 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 268 transitions. [2018-02-04 16:49:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 16:49:27,665 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:27,665 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] [2018-02-04 16:49:27,665 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:27,665 INFO L82 PathProgramCache]: Analyzing trace with hash -98484166, now seen corresponding path program 1 times [2018-02-04 16:49:27,666 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:27,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:27,965 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 16:49:27,966 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:27,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:27,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:27,967 INFO L182 omatonBuilderFactory]: Interpolants [13760#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 13761#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 13762#(not (= 0 |main_#t~mem27.base|)), 13763#(not (= 0 main_~end~0.base)), 13744#true, 13745#false, 13746#(= (select |#valid| main_~list~0.base) 1), 13747#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 13748#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (not (= 0 |main_#t~malloc5.base|))), 13749#(and (not (= 0 (select (select |#memory_$Pointer$.base| 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))), 13750#(and (not (= 0 (select (select |#memory_$Pointer$.base| 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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 13751#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 13752#(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 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 13753#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 13754#(and (not (= main_~end~0.base |main_#t~malloc14.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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc14.base|))), 13755#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= 0 (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)))), 13756#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 13757#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 13758#(and (not (= main_~list~0.base |main_#t~mem18.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 13759#(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 0)) main_~list~0.base) main_~list~0.offset))))] [2018-02-04 16:49:27,967 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 16:49:27,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 16:49:27,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 16:49:27,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-02-04 16:49:27,968 INFO L87 Difference]: Start difference. First operand 253 states and 268 transitions. Second operand 20 states. [2018-02-04 16:49:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:28,514 INFO L93 Difference]: Finished difference Result 286 states and 302 transitions. [2018-02-04 16:49:28,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 16:49:28,514 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 76 [2018-02-04 16:49:28,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:28,515 INFO L225 Difference]: With dead ends: 286 [2018-02-04 16:49:28,515 INFO L226 Difference]: Without dead ends: 286 [2018-02-04 16:49:28,515 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2018-02-04 16:49:28,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-02-04 16:49:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 253. [2018-02-04 16:49:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-02-04 16:49:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 267 transitions. [2018-02-04 16:49:28,517 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 267 transitions. Word has length 76 [2018-02-04 16:49:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:28,518 INFO L432 AbstractCegarLoop]: Abstraction has 253 states and 267 transitions. [2018-02-04 16:49:28,518 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 16:49:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 267 transitions. [2018-02-04 16:49:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 16:49:28,518 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:28,518 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:49:28,518 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:28,519 INFO L82 PathProgramCache]: Analyzing trace with hash 478435570, now seen corresponding path program 1 times [2018-02-04 16:49:28,519 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:28,527 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 16:49:28,754 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:28,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 16:49:28,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:28,754 INFO L182 omatonBuilderFactory]: Interpolants [14336#(and (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 14337#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~mem9.offset|)), 14338#(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 0)) main_~list~0.base) main_~list~0.offset))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 14339#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 14340#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem22.offset|))), 14341#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 14342#(and (= 0 (select (select |#memory_$Pointer$.offset| 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))), 14343#(and (= 0 (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))), 14344#(= 0 main_~end~0.offset), 14327#true, 14328#false, 14329#(= 0 |main_#t~malloc0.offset|), 14330#(= main_~list~0.offset 0), 14331#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 14332#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 14333#(and (= 0 |main_#t~malloc5.offset|) (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~list~0.offset |main_#t~malloc5.offset|)), 14334#(and (= main_~list~0.base main_~end~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))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 14335#(and (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|)))] [2018-02-04 16:49:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 16:49:28,755 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 16:49:28,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 16:49:28,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2018-02-04 16:49:28,755 INFO L87 Difference]: Start difference. First operand 253 states and 267 transitions. Second operand 18 states. [2018-02-04 16:49:29,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:29,311 INFO L93 Difference]: Finished difference Result 282 states and 298 transitions. [2018-02-04 16:49:29,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:49:29,312 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 76 [2018-02-04 16:49:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:29,312 INFO L225 Difference]: With dead ends: 282 [2018-02-04 16:49:29,312 INFO L226 Difference]: Without dead ends: 282 [2018-02-04 16:49:29,313 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=377, Invalid=955, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 16:49:29,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-02-04 16:49:29,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 260. [2018-02-04 16:49:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-02-04 16:49:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 275 transitions. [2018-02-04 16:49:29,316 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 275 transitions. Word has length 76 [2018-02-04 16:49:29,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:29,316 INFO L432 AbstractCegarLoop]: Abstraction has 260 states and 275 transitions. [2018-02-04 16:49:29,316 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 16:49:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 275 transitions. [2018-02-04 16:49:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 16:49:29,317 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:29,317 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] [2018-02-04 16:49:29,317 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:29,317 INFO L82 PathProgramCache]: Analyzing trace with hash 90270927, now seen corresponding path program 3 times [2018-02-04 16:49:29,318 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:29,331 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:29,892 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 16:49:29,892 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:29,893 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:49:29,893 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:29,893 INFO L182 omatonBuilderFactory]: Interpolants [14925#true, 14926#false, 14927#(= (select |#valid| main_~list~0.base) 1), 14928#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 14929#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 14930#(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))), 14931#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 14932#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 14933#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 14934#(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))), 14935#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 14936#(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))), 14937#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 14938#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= |main_#t~mem18.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~mem18.base|)) (= |main_#t~mem18.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)))), 14939#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 14940#(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)))), 14941#(and (= |main_#t~mem22.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_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 14942#(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))) (= 0 (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))), 14943#(and (= 0 (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)))) (= 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))))), 14944#(and (= 0 (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)))) (= 0 (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))))), 14945#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 14946#(and (= 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_~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)))), 14947#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 14948#(and (= 0 (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))), 14949#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 14950#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:49:29,894 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 16:49:29,894 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:49:29,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:49:29,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:49:29,894 INFO L87 Difference]: Start difference. First operand 260 states and 275 transitions. Second operand 26 states. [2018-02-04 16:49:31,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:31,234 INFO L93 Difference]: Finished difference Result 311 states and 328 transitions. [2018-02-04 16:49:31,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 16:49:31,235 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 77 [2018-02-04 16:49:31,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:31,235 INFO L225 Difference]: With dead ends: 311 [2018-02-04 16:49:31,235 INFO L226 Difference]: Without dead ends: 311 [2018-02-04 16:49:31,236 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=266, Invalid=2386, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 16:49:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-02-04 16:49:31,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 264. [2018-02-04 16:49:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-02-04 16:49:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 279 transitions. [2018-02-04 16:49:31,238 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 279 transitions. Word has length 77 [2018-02-04 16:49:31,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:31,238 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 279 transitions. [2018-02-04 16:49:31,238 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:49:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 279 transitions. [2018-02-04 16:49:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 16:49:31,239 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:31,239 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] [2018-02-04 16:49:31,239 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:31,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1946601015, now seen corresponding path program 1 times [2018-02-04 16:49:31,240 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:31,249 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:32,482 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 16:49:32,483 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:32,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:49:32,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:32,484 INFO L182 omatonBuilderFactory]: Interpolants [15578#true, 15579#false, 15580#(= (select |#valid| 0) 0), 15581#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= (select |#valid| 0) 0)), 15582#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 15583#(and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= (select |#valid| main_~list~0.base) 1)), 15584#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 15585#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= (select |#valid| 0) 0) (= main_~list~0.offset |main_#t~malloc5.offset|)), 15586#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (= (select |#valid| 0) 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))), 15587#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (= (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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 15588#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= (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))) (= 1 (select |#valid| 0)))), 15589#(and (not (= 0 main_~list~0.base)) (or (and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= main_~list~0.offset |main_#t~mem9.offset|) (= (select |#valid| 0) 0)) (= 1 (select |#valid| 0)))), 15590#(and (or (and (= main_~list~0.offset 0) (or (and (= main_~list~0.offset main_~end~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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)))) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base))), 15591#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem21|) (= (select |#valid| 0) 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)))) (= 1 (select |#valid| 0)))), 15592#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= main_~list~0.offset main_~end~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)))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)))) (= 1 (select |#valid| 0)))), 15593#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= main_~list~0.offset 0) (or (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem22.base|)) (and (= main_~list~0.offset main_~end~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)))))))), 15594#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= main_~list~0.offset 0) (or (and (= main_~list~0.offset main_~end~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)))) (and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))))))), 15595#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 0)))), 15596#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 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)) (= (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))), 15597#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 0))) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15598#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 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))), 15599#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 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~mem27.base|)), 15600#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 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)), 15601#(and (not (= 0 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))) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| 0)))), 15602#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= (select (store |#valid| main_~list~0.base 0) 0) 0) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 15603#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 15604#(and (or (= 0 main_~end~0.base) (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~end~0.base) (+ 0 8))))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 15605#(and (or (<= 1 main_~list~0.offset) (= 1 (select |#valid| 0)) (<= (+ main_~list~0.offset 1) 0) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))) (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 15606#(or (and (or (and (= (select (store |#valid| main_~list~0.base 0) 0) 0) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 main_~list~0.offset))), 15607#(or (not (= 0 main_~list~0.offset)) (and (or (and (= 1 |main_#t~mem28|) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15608#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15609#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 |main_#t~mem29.base|))), 15610#(or (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.offset))), 15611#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:32,484 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 16:49:32,484 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:49:32,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:49:32,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1012, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:49:32,485 INFO L87 Difference]: Start difference. First operand 264 states and 279 transitions. Second operand 34 states. [2018-02-04 16:49:34,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:34,477 INFO L93 Difference]: Finished difference Result 272 states and 286 transitions. [2018-02-04 16:49:34,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 16:49:34,477 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 77 [2018-02-04 16:49:34,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:34,478 INFO L225 Difference]: With dead ends: 272 [2018-02-04 16:49:34,478 INFO L226 Difference]: Without dead ends: 269 [2018-02-04 16:49:34,478 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1211 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=587, Invalid=3969, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 16:49:34,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-02-04 16:49:34,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 261. [2018-02-04 16:49:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 16:49:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 275 transitions. [2018-02-04 16:49:34,481 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 275 transitions. Word has length 77 [2018-02-04 16:49:34,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:34,481 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 275 transitions. [2018-02-04 16:49:34,481 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:49:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 275 transitions. [2018-02-04 16:49:34,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 16:49:34,481 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:34,481 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] [2018-02-04 16:49:34,481 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:34,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1075436813, now seen corresponding path program 2 times [2018-02-04 16:49:34,482 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:34,489 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:34,868 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 16:49:34,869 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:34,869 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:49:34,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:34,869 INFO L182 omatonBuilderFactory]: Interpolants [16213#true, 16214#false, 16215#(= (select |#valid| main_~list~0.base) 1), 16216#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 16217#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 16218#(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))), 16219#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 16220#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 16221#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 16222#(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))), 16223#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 16224#(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))), 16225#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 16226#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= |main_#t~mem18.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~mem18.base|)) (= |main_#t~mem18.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)))), 16227#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 16228#(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)))), 16229#(and (= |main_#t~mem22.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_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16230#(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))) (= 0 (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))), 16231#(and (= 0 (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)))) (= 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))))), 16232#(and (= 0 (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)))) (= 0 (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))))), 16233#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 16234#(and (= 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_~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)))), 16235#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 16236#(and (= 0 (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))), 16237#(and (= 0 |main_#t~mem25.base|) (= 0 |main_#t~mem25.offset|)), 16238#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:49:34,869 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 16:49:34,869 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:49:34,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:49:34,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:49:34,870 INFO L87 Difference]: Start difference. First operand 261 states and 275 transitions. Second operand 26 states. [2018-02-04 16:49:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:36,109 INFO L93 Difference]: Finished difference Result 310 states and 325 transitions. [2018-02-04 16:49:36,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 16:49:36,109 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 79 [2018-02-04 16:49:36,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:36,110 INFO L225 Difference]: With dead ends: 310 [2018-02-04 16:49:36,110 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 16:49:36,110 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 16:49:36,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 16:49:36,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 260. [2018-02-04 16:49:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-02-04 16:49:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 273 transitions. [2018-02-04 16:49:36,112 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 273 transitions. Word has length 79 [2018-02-04 16:49:36,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:36,112 INFO L432 AbstractCegarLoop]: Abstraction has 260 states and 273 transitions. [2018-02-04 16:49:36,112 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:49:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 273 transitions. [2018-02-04 16:49:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 16:49:36,113 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:36,113 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] [2018-02-04 16:49:36,113 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:36,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1603679841, now seen corresponding path program 1 times [2018-02-04 16:49:36,113 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:36,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:36,607 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 16:49:36,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:36,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:49:36,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:36,608 INFO L182 omatonBuilderFactory]: Interpolants [16859#true, 16860#false, 16861#(= (select |#valid| main_~list~0.base) 1), 16862#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 16863#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 16864#(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))), 16865#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 16866#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 16867#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 16868#(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))), 16869#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 16870#(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))), 16871#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 16872#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= |main_#t~mem18.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~mem18.base|)) (= |main_#t~mem18.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)))), 16873#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 16874#(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)))), 16875#(and (= |main_#t~mem22.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_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16876#(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))) (= 0 (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))), 16877#(and (= 0 (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)))) (= 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))))), 16878#(and (= 0 (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)))) (= 0 (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))))), 16879#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 16880#(and (= 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_~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)))), 16881#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))), 16882#(and (= 0 (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))), 16883#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 16884#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:49:36,608 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 16:49:36,608 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:49:36,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:49:36,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:49:36,609 INFO L87 Difference]: Start difference. First operand 260 states and 273 transitions. Second operand 26 states. [2018-02-04 16:49:37,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:37,850 INFO L93 Difference]: Finished difference Result 282 states and 295 transitions. [2018-02-04 16:49:37,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 16:49:37,850 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 80 [2018-02-04 16:49:37,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:37,851 INFO L225 Difference]: With dead ends: 282 [2018-02-04 16:49:37,851 INFO L226 Difference]: Without dead ends: 282 [2018-02-04 16:49:37,851 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=237, Invalid=2115, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 16:49:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-02-04 16:49:37,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 259. [2018-02-04 16:49:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 16:49:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 272 transitions. [2018-02-04 16:49:37,853 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 272 transitions. Word has length 80 [2018-02-04 16:49:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:37,854 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 272 transitions. [2018-02-04 16:49:37,854 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:49:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 272 transitions. [2018-02-04 16:49:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 16:49:37,854 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:37,854 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] [2018-02-04 16:49:37,854 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:37,854 INFO L82 PathProgramCache]: Analyzing trace with hash 151289679, now seen corresponding path program 2 times [2018-02-04 16:49:37,855 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:37,861 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:37,975 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 16:49:37,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:37,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 16:49:37,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:37,976 INFO L182 omatonBuilderFactory]: Interpolants [17472#true, 17473#false, 17474#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 17475#(and (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17476#(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))), 17477#(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~mem27.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~mem27.base|)), 17478#(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) (= (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)), 17479#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (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)))), 17480#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 17481#(and (= 0 (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))), 17482#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 17483#(and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|)), 17484#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 17485#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base))] [2018-02-04 16:49:37,976 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 16:49:37,976 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 16:49:37,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 16:49:37,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:49:37,976 INFO L87 Difference]: Start difference. First operand 259 states and 272 transitions. Second operand 14 states. [2018-02-04 16:49:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:38,437 INFO L93 Difference]: Finished difference Result 326 states and 344 transitions. [2018-02-04 16:49:38,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 16:49:38,437 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2018-02-04 16:49:38,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:38,438 INFO L225 Difference]: With dead ends: 326 [2018-02-04 16:49:38,438 INFO L226 Difference]: Without dead ends: 326 [2018-02-04 16:49:38,438 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2018-02-04 16:49:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-02-04 16:49:38,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 273. [2018-02-04 16:49:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-02-04 16:49:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 294 transitions. [2018-02-04 16:49:38,442 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 294 transitions. Word has length 80 [2018-02-04 16:49:38,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:38,442 INFO L432 AbstractCegarLoop]: Abstraction has 273 states and 294 transitions. [2018-02-04 16:49:38,442 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 16:49:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 294 transitions. [2018-02-04 16:49:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 16:49:38,443 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:38,443 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] [2018-02-04 16:49:38,443 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:38,443 INFO L82 PathProgramCache]: Analyzing trace with hash 68308967, now seen corresponding path program 1 times [2018-02-04 16:49:38,444 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:38,453 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:39,170 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:39,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 16:49:39,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:39,170 INFO L182 omatonBuilderFactory]: Interpolants [18112#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 18113#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 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))) (= 1 (select |#valid| main_~end~0.base))), 18114#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 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))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 18115#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~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_~list~0.offset) (<= main_~list~0.offset 0)), 18116#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (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 0)) main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0)), 18117#(and (= (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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc14.base|)) (<= main_~list~0.offset 0)), 18118#(and (not (= 0 main_~list~0.base)) (not (= main_~list~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_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (<= main_~list~0.offset 0)), 18119#(and (not (= 0 main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (<= main_~list~0.offset 0)), 18120#(and (not (= 0 main_~list~0.base)) (not (= main_~list~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_~list~0.offset) (<= main_~list~0.offset 0)), 18121#(and (not (= 0 main_~list~0.base)) (or (and (not (= main_~end~0.base main_~list~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) main_~list~0.offset)) (<= (+ main_~end~0.offset 1) 0) (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 (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0) main_~list~0.offset)))))), 18122#(and (not (= 0 main_~list~0.base)) (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 (not (= main_~end~0.base main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 18123#(and (not (= 0 main_~list~0.base)) (or (not (= main_~list~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_~list~0.offset) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 18124#(and (not (= 0 main_~list~0.base)) (or (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem22.base|)) (not (= main_~list~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_~list~0.offset))), 18125#(and (not (= 0 main_~list~0.base)) (or (not (= main_~list~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_~list~0.offset))), 18126#(and (not (= 0 main_~list~0.base)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~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_~list~0.base))) (= (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))), 18127#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (or (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) |main_#t~mem27.offset|)) (not (= |main_#t~mem27.base| main_~list~0.base)))), 18128#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= 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)))), 18129#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))))), 18130#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 |main_#t~mem27.base|)))), 18131#(and (not (= 0 main_~list~0.base)) (or (not (= 0 main_~end~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 18132#(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)))), 18133#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem31.base|))), 18134#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 18135#(= 1 (select |#valid| main_~end~0.base)), 18136#(= 1 (select |#valid| main_~list~0.base)), 18106#true, 18107#false, 18108#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 18109#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 18110#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 18111#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)))] [2018-02-04 16:49:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:39,170 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 16:49:39,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 16:49:39,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2018-02-04 16:49:39,171 INFO L87 Difference]: Start difference. First operand 273 states and 294 transitions. Second operand 31 states. [2018-02-04 16:49:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:40,642 INFO L93 Difference]: Finished difference Result 327 states and 351 transitions. [2018-02-04 16:49:40,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 16:49:40,643 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 81 [2018-02-04 16:49:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:40,643 INFO L225 Difference]: With dead ends: 327 [2018-02-04 16:49:40,644 INFO L226 Difference]: Without dead ends: 327 [2018-02-04 16:49:40,644 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=836, Invalid=3070, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 16:49:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-02-04 16:49:40,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 295. [2018-02-04 16:49:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-02-04 16:49:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 316 transitions. [2018-02-04 16:49:40,646 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 316 transitions. Word has length 81 [2018-02-04 16:49:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:40,646 INFO L432 AbstractCegarLoop]: Abstraction has 295 states and 316 transitions. [2018-02-04 16:49:40,647 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 16:49:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 316 transitions. [2018-02-04 16:49:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 16:49:40,647 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:40,647 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] [2018-02-04 16:49:40,647 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:40,647 INFO L82 PathProgramCache]: Analyzing trace with hash 395012140, now seen corresponding path program 3 times [2018-02-04 16:49:40,648 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:40,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:41,317 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 16:49:41,317 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:41,317 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 16:49:41,318 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:41,318 INFO L182 omatonBuilderFactory]: Interpolants [18823#true, 18824#false, 18825#(= |#valid| |old(#valid)|), 18826#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 18827#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 18828#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 18829#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 18830#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~list~0.offset |main_#t~malloc5.offset|) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) |main_#t~malloc5.base| 0))), 18831#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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))), 18832#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 18833#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 18834#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~mem9.offset|) (or (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 18835#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 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 0)) main_~list~0.base) main_~list~0.offset))) (= (store (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 0)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 18836#(or (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 18837#(or (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem22.base|)) (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 18838#(or (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 18839#(or (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 18840#(or (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 18841#(or (and (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (not (= 0 main_~list~0.base)) (= (store (store |#valid| main_~list~0.base 0) |main_#t~mem31.base| 0) |old(#valid)|) (not (= main_~list~0.base |main_#t~mem31.base|)))), 18842#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) main_~end~0.base 0)))), 18843#(or (= 0 main_~end~0.base) (= (store |#valid| main_~end~0.base 0) |old(#valid)|)), 18844#(or (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= 0 main_~list~0.base)), 18845#(and (or (not (= 0 main_~list~0.base)) (not (= 0 main_~list~0.offset))) (or (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= 0 main_~list~0.base)))] [2018-02-04 16:49:41,318 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 16:49:41,318 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 16:49:41,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 16:49:41,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-02-04 16:49:41,319 INFO L87 Difference]: Start difference. First operand 295 states and 316 transitions. Second operand 23 states. [2018-02-04 16:49:42,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:42,428 INFO L93 Difference]: Finished difference Result 323 states and 344 transitions. [2018-02-04 16:49:42,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 16:49:42,428 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 81 [2018-02-04 16:49:42,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:42,429 INFO L225 Difference]: With dead ends: 323 [2018-02-04 16:49:42,429 INFO L226 Difference]: Without dead ends: 281 [2018-02-04 16:49:42,429 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 16:49:42,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-02-04 16:49:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 265. [2018-02-04 16:49:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-02-04 16:49:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 285 transitions. [2018-02-04 16:49:42,431 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 285 transitions. Word has length 81 [2018-02-04 16:49:42,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:42,431 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 285 transitions. [2018-02-04 16:49:42,431 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 16:49:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 285 transitions. [2018-02-04 16:49:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 16:49:42,432 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:42,432 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] [2018-02-04 16:49:42,432 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:42,432 INFO L82 PathProgramCache]: Analyzing trace with hash -285975803, now seen corresponding path program 3 times [2018-02-04 16:49:42,433 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:42,444 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:43,054 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 16:49:43,054 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:43,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 16:49:43,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:43,054 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 16:49:43,054 INFO L182 omatonBuilderFactory]: Interpolants [19470#true, 19471#false, 19472#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 19473#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 19474#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 19475#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 19476#(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 |main_#t~malloc5.base|)) (= 12 (select |#length| main_~list~0.base))), 19477#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 12 (select |#length| main_~list~0.base))), 19478#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~list~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 19479#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 19480#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 19481#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 19482#(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)) (= 12 (select |#length| main_~list~0.base))), 19483#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 12 (select |#length| main_~list~0.base))), 19484#(and (= 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)) (= 12 (select |#length| main_~list~0.base))), 19485#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~list~0.base))), 19486#(or (and (= (select |#length| main_~end~0.base) 12) (or (<= (+ main_~end~0.offset 1) 0) (<= 1 main_~end~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)) (= 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 0)) main_~list~0.base) main_~list~0.offset))))), 19487#(or (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)))) (and (= (select |#length| main_~end~0.base) 12) (<= 0 main_~end~0.offset) (or (<= 1 main_~end~0.offset) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))))), 19488#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 19489#(or (and (= |main_#t~mem22.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 |#length| main_~end~0.base) 12) (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 19490#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 19491#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 19492#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 19493#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 19494#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 19495#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:43,054 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 16:49:43,055 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:49:43,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:49:43,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:49:43,055 INFO L87 Difference]: Start difference. First operand 265 states and 285 transitions. Second operand 26 states. [2018-02-04 16:49:44,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:44,076 INFO L93 Difference]: Finished difference Result 371 states and 399 transitions. [2018-02-04 16:49:44,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 16:49:44,076 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 81 [2018-02-04 16:49:44,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:44,077 INFO L225 Difference]: With dead ends: 371 [2018-02-04 16:49:44,077 INFO L226 Difference]: Without dead ends: 371 [2018-02-04 16:49:44,078 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=618, Invalid=1932, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 16:49:44,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-02-04 16:49:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 307. [2018-02-04 16:49:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 16:49:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 331 transitions. [2018-02-04 16:49:44,080 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 331 transitions. Word has length 81 [2018-02-04 16:49:44,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:44,080 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 331 transitions. [2018-02-04 16:49:44,080 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:49:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 331 transitions. [2018-02-04 16:49:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 16:49:44,081 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:44,081 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] [2018-02-04 16:49:44,081 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:44,081 INFO L82 PathProgramCache]: Analyzing trace with hash -285975802, now seen corresponding path program 2 times [2018-02-04 16:49:44,082 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:44,089 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:44,813 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 16:49:44,814 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:44,814 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 16:49:44,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:44,814 INFO L182 omatonBuilderFactory]: Interpolants [20224#true, 20225#false, 20226#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 20227#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 20228#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 20229#(and (= main_~end~0.offset 0) (= 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_~list~0.base))), 20230#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| main_~list~0.base))), 20231#(and (= main_~end~0.offset 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))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~list~0.base))), 20232#(and (= 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)) (= |main_#t~mem7.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)) (= 12 (select |#length| main_~list~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 20233#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 20234#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 20235#(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) (<= 0 main_~end~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 20236#(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) (<= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 20237#(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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 0 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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 20238#(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) (<= 12 (select |#length| main_~end~0.base)) (= 12 (select |#length| main_~list~0.base))), 20239#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (<= 12 (select |#length| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 20240#(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)) (= 0 main_~list~0.offset) (<= 12 (select |#length| main_~end~0.base)) (= 12 (select |#length| main_~list~0.base))), 20241#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~list~0.base))), 20242#(or (and (not (= main_~end~0.base main_~list~0.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 0)) 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 0)) main_~list~0.base) main_~list~0.offset))) (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))), 20243#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 20244#(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) (= 12 (select |#length| main_~list~0.base)))), 20245#(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_#t~mem22.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 (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~list~0.base)))), 20246#(or (and (= 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)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~list~0.base))) (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))))), 20247#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20248#(or (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))) (and (= 0 (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)))), 20249#(or (and (= 0 |main_#t~mem27.offset|) (<= 12 (select |#length| |main_#t~mem27.base|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 20250#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))), 20251#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))] [2018-02-04 16:49:44,814 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 16:49:44,814 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 16:49:44,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 16:49:44,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=619, Unknown=0, NotChecked=0, Total=756 [2018-02-04 16:49:44,815 INFO L87 Difference]: Start difference. First operand 307 states and 331 transitions. Second operand 28 states. [2018-02-04 16:49:46,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:46,177 INFO L93 Difference]: Finished difference Result 369 states and 396 transitions. [2018-02-04 16:49:46,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 16:49:46,177 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 81 [2018-02-04 16:49:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:46,178 INFO L225 Difference]: With dead ends: 369 [2018-02-04 16:49:46,178 INFO L226 Difference]: Without dead ends: 369 [2018-02-04 16:49:46,179 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=574, Invalid=2288, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 16:49:46,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-04 16:49:46,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 310. [2018-02-04 16:49:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 16:49:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 334 transitions. [2018-02-04 16:49:46,181 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 334 transitions. Word has length 81 [2018-02-04 16:49:46,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:46,182 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 334 transitions. [2018-02-04 16:49:46,182 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 16:49:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 334 transitions. [2018-02-04 16:49:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 16:49:46,183 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:46,183 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] [2018-02-04 16:49:46,183 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:46,183 INFO L82 PathProgramCache]: Analyzing trace with hash 292796649, now seen corresponding path program 1 times [2018-02-04 16:49:46,184 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:46,195 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:46,457 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 16:49:46,457 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:46,457 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 16:49:46,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:46,458 INFO L182 omatonBuilderFactory]: Interpolants [20992#(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)), 20993#(and (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.base|))), 20994#(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)))), 20995#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 20996#(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)))), 20997#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem18.base|))), 20998#(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 0)) main_~list~0.base) main_~list~0.offset))), 20999#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 21000#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 21001#(and (= 0 (select (select |#memory_$Pointer$.offset| 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))), 21002#(and (= 0 (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))), 21003#(= 0 main_~end~0.offset), 21004#(= 0 main_~list~0.offset), 20983#true, 20984#false, 20985#(= (select |#valid| main_~list~0.base) 1), 20986#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1)), 20987#(and (= 0 |main_#t~malloc5.offset|) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|))), 20988#(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))), 20989#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 20990#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~list~0.base) 1)), 20991#(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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 16:49:46,458 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 16:49:46,458 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 16:49:46,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 16:49:46,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2018-02-04 16:49:46,458 INFO L87 Difference]: Start difference. First operand 310 states and 334 transitions. Second operand 22 states. [2018-02-04 16:49:47,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:47,080 INFO L93 Difference]: Finished difference Result 340 states and 367 transitions. [2018-02-04 16:49:47,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 16:49:47,080 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 85 [2018-02-04 16:49:47,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:47,081 INFO L225 Difference]: With dead ends: 340 [2018-02-04 16:49:47,081 INFO L226 Difference]: Without dead ends: 340 [2018-02-04 16:49:47,081 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=233, Invalid=1249, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 16:49:47,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-02-04 16:49:47,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 318. [2018-02-04 16:49:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-02-04 16:49:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 344 transitions. [2018-02-04 16:49:47,085 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 344 transitions. Word has length 85 [2018-02-04 16:49:47,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:47,085 INFO L432 AbstractCegarLoop]: Abstraction has 318 states and 344 transitions. [2018-02-04 16:49:47,085 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 16:49:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 344 transitions. [2018-02-04 16:49:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 16:49:47,086 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:47,086 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] [2018-02-04 16:49:47,086 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:47,086 INFO L82 PathProgramCache]: Analyzing trace with hash 486761760, now seen corresponding path program 1 times [2018-02-04 16:49:47,087 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:47,099 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:47,888 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 16:49:47,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:47,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:49:47,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:47,888 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 16:49:47,889 INFO L182 omatonBuilderFactory]: Interpolants [21697#true, 21698#false, 21699#(= (select |#valid| 0) 0), 21700#(and (not (= 0 |main_#t~malloc0.base|)) (= (select |#valid| 0) 0)), 21701#(and (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 21702#(and (= (select |#valid| 0) 0) (= (select |#valid| main_~list~0.base) 1)), 21703#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 21704#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= (select |#valid| 0) 0)))), 21705#(and (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 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))) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base))), 21706#(and (not (= 0 main_~list~0.base)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 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)) (not (= main_~end~0.base |main_#t~mem7.base|))) (= 1 (select |#valid| 0)))), 21707#(and (or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= (select |#valid| 0) 0)) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base))), 21708#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (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 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| 0) 0)))), 21709#(and (not (= 0 main_~list~0.base)) (or (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| 0) 0) (= 1 (select |#valid| main_~end~0.base))) (= 1 (select |#valid| 0)))), 21710#(and (not (= 0 main_~list~0.base)) (or (and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (not (= |main_#t~malloc14.base| 0)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| 0)))), 21711#(and (or (= 1 (select |#valid| 0)) (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))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0)))) (not (= 0 main_~list~0.base))), 21712#(and (not (= 0 main_~list~0.base)) (or (and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) 0) 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))) (= 1 (select |#valid| 0)))), 21713#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))))), 21714#(and (not (= 0 main_~list~0.base)) (or (and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 21715#(and (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))) (not (= 0 main_~list~0.base))), 21716#(and (not (= 0 main_~list~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (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 (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)) (or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 21717#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0) 0)) (= 1 (select |#valid| 0))) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21718#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21719#(and (not (= 0 main_~list~0.base)) (or (not (= |main_#t~mem27.base| 0)) (= 1 (select |#valid| 0)) (not (= 0 (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~mem27.base|)), 21720#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base 0)) (= 1 (select |#valid| 0)) (not (= 0 (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)), 21721#(and (not (= 0 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))) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 21722#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (not (= 0 |main_#t~mem31.offset|)))), 21723#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (not (= 0 main_~end~0.offset)))), 21724#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (not (= 0 main_~end~0.offset)))), 21725#(and (or (not (= 0 main_~list~0.offset)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 21726#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 21727#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 |main_#t~mem29.base|))), 21728#(or (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.offset))), 21729#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:47,889 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 16:49:47,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 16:49:47,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 16:49:47,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 16:49:47,889 INFO L87 Difference]: Start difference. First operand 318 states and 344 transitions. Second operand 33 states. [2018-02-04 16:49:49,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:49,823 INFO L93 Difference]: Finished difference Result 330 states and 354 transitions. [2018-02-04 16:49:49,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 16:49:49,824 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 16:49:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:49,824 INFO L225 Difference]: With dead ends: 330 [2018-02-04 16:49:49,824 INFO L226 Difference]: Without dead ends: 312 [2018-02-04 16:49:49,825 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=601, Invalid=4091, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 16:49:49,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-02-04 16:49:49,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2018-02-04 16:49:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-02-04 16:49:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 330 transitions. [2018-02-04 16:49:49,827 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 330 transitions. Word has length 86 [2018-02-04 16:49:49,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:49,827 INFO L432 AbstractCegarLoop]: Abstraction has 306 states and 330 transitions. [2018-02-04 16:49:49,827 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 16:49:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 330 transitions. [2018-02-04 16:49:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 16:49:49,827 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:49,827 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] [2018-02-04 16:49:49,827 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:49,827 INFO L82 PathProgramCache]: Analyzing trace with hash 735132523, now seen corresponding path program 4 times [2018-02-04 16:49:49,828 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:49,835 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:50,117 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 16:49:50,118 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:50,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:50,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:50,118 INFO L182 omatonBuilderFactory]: Interpolants [22438#true, 22439#false, 22440#(= (select |#valid| main_~list~0.base) 1), 22441#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 22442#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 22443#(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))), 22444#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 22445#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 22446#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 22447#(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))), 22448#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 22449#(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)))), 22450#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 22451#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 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~mem9.base|))), 22452#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 22453#(= 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)))), 22454#(= 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)))), 22455#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 22456#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 22457#(= 1 (select |#valid| |main_#t~mem27.base|)), 22458#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:50,119 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 16:49:50,119 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:50,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:50,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:50,119 INFO L87 Difference]: Start difference. First operand 306 states and 330 transitions. Second operand 21 states. [2018-02-04 16:49:51,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:51,012 INFO L93 Difference]: Finished difference Result 363 states and 390 transitions. [2018-02-04 16:49:51,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 16:49:51,012 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2018-02-04 16:49:51,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:51,013 INFO L225 Difference]: With dead ends: 363 [2018-02-04 16:49:51,013 INFO L226 Difference]: Without dead ends: 363 [2018-02-04 16:49:51,013 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=1372, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 16:49:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-02-04 16:49:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 310. [2018-02-04 16:49:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 16:49:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 336 transitions. [2018-02-04 16:49:51,015 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 336 transitions. Word has length 87 [2018-02-04 16:49:51,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:51,015 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 336 transitions. [2018-02-04 16:49:51,015 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 336 transitions. [2018-02-04 16:49:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 16:49:51,015 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:51,016 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] [2018-02-04 16:49:51,016 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:51,016 INFO L82 PathProgramCache]: Analyzing trace with hash 735132524, now seen corresponding path program 3 times [2018-02-04 16:49:51,016 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:51,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:51,414 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 16:49:51,414 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:51,414 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:51,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:51,415 INFO L182 omatonBuilderFactory]: Interpolants [23172#true, 23173#false, 23174#(= (select |#valid| main_~list~0.base) 1), 23175#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 23176#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 23177#(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))), 23178#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 23179#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 23180#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 23181#(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))), 23182#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|))), 23183#(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)))), 23184#(and (not (= main_~list~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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) 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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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))) (not (= main_~end~0.base |main_#t~mem7.base|))), 23185#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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))))), 23186#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 23187#(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))))), 23188#(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))))), 23189#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 23190#(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))), 23191#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 23192#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))] [2018-02-04 16:49:51,415 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 16:49:51,415 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:51,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:51,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:51,415 INFO L87 Difference]: Start difference. First operand 310 states and 336 transitions. Second operand 21 states. [2018-02-04 16:49:52,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:52,470 INFO L93 Difference]: Finished difference Result 370 states and 398 transitions. [2018-02-04 16:49:52,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:49:52,470 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2018-02-04 16:49:52,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:52,471 INFO L225 Difference]: With dead ends: 370 [2018-02-04 16:49:52,471 INFO L226 Difference]: Without dead ends: 370 [2018-02-04 16:49:52,471 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:49:52,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-02-04 16:49:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 312. [2018-02-04 16:49:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-02-04 16:49:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 338 transitions. [2018-02-04 16:49:52,473 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 338 transitions. Word has length 87 [2018-02-04 16:49:52,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:52,474 INFO L432 AbstractCegarLoop]: Abstraction has 312 states and 338 transitions. [2018-02-04 16:49:52,474 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 338 transitions. [2018-02-04 16:49:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 16:49:52,474 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:52,474 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] [2018-02-04 16:49:52,474 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:52,474 INFO L82 PathProgramCache]: Analyzing trace with hash 161266319, now seen corresponding path program 2 times [2018-02-04 16:49:52,475 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:52,481 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:52,746 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 16:49:52,746 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:52,746 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:52,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:52,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:52,746 INFO L182 omatonBuilderFactory]: Interpolants [23905#true, 23906#false, 23907#(= (select |#valid| main_~list~0.base) 1), 23908#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 23909#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 23910#(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))), 23911#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 23912#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 23913#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 23914#(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))), 23915#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 23916#(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)))), 23917#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 23918#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 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~mem9.base|))), 23919#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 23920#(= 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)))), 23921#(= 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)))), 23922#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 23923#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 23924#(= 1 (select |#valid| |main_#t~mem25.base|)), 23925#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:49:52,747 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 16:49:52,747 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:52,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:52,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:52,747 INFO L87 Difference]: Start difference. First operand 312 states and 338 transitions. Second operand 21 states. [2018-02-04 16:49:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:53,632 INFO L93 Difference]: Finished difference Result 371 states and 399 transitions. [2018-02-04 16:49:53,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 16:49:53,632 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2018-02-04 16:49:53,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:53,633 INFO L225 Difference]: With dead ends: 371 [2018-02-04 16:49:53,633 INFO L226 Difference]: Without dead ends: 371 [2018-02-04 16:49:53,633 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=268, Invalid=1372, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 16:49:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-02-04 16:49:53,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 319. [2018-02-04 16:49:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-02-04 16:49:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 346 transitions. [2018-02-04 16:49:53,635 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 346 transitions. Word has length 89 [2018-02-04 16:49:53,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:53,635 INFO L432 AbstractCegarLoop]: Abstraction has 319 states and 346 transitions. [2018-02-04 16:49:53,635 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 346 transitions. [2018-02-04 16:49:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 16:49:53,635 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:53,636 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] [2018-02-04 16:49:53,636 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:53,636 INFO L82 PathProgramCache]: Analyzing trace with hash 161266320, now seen corresponding path program 1 times [2018-02-04 16:49:53,636 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:53,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:53,993 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 16:49:53,993 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:53,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:49:53,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:53,993 INFO L182 omatonBuilderFactory]: Interpolants [24672#(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))))), 24673#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 24674#(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))), 24675#(and (= 0 |main_#t~mem25.offset|) (= 12 (select |#length| |main_#t~mem25.base|))), 24676#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 24656#true, 24657#false, 24658#(= (select |#valid| main_~list~0.base) 1), 24659#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 24660#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 24661#(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))), 24662#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 24663#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 24664#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 24665#(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))), 24666#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|))), 24667#(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)))), 24668#(and (not (= main_~list~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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) 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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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))) (not (= main_~end~0.base |main_#t~mem7.base|))), 24669#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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))))), 24670#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 24671#(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)))))] [2018-02-04 16:49:53,993 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 16:49:53,994 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:49:53,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:49:53,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:49:53,994 INFO L87 Difference]: Start difference. First operand 319 states and 346 transitions. Second operand 21 states. [2018-02-04 16:49:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:55,018 INFO L93 Difference]: Finished difference Result 377 states and 405 transitions. [2018-02-04 16:49:55,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:49:55,018 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2018-02-04 16:49:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:55,019 INFO L225 Difference]: With dead ends: 377 [2018-02-04 16:49:55,019 INFO L226 Difference]: Without dead ends: 377 [2018-02-04 16:49:55,019 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=1086, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:49:55,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-02-04 16:49:55,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 321. [2018-02-04 16:49:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-04 16:49:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 347 transitions. [2018-02-04 16:49:55,021 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 347 transitions. Word has length 89 [2018-02-04 16:49:55,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:55,021 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 347 transitions. [2018-02-04 16:49:55,021 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:49:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 347 transitions. [2018-02-04 16:49:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 16:49:55,022 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:55,022 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] [2018-02-04 16:49:55,022 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:55,022 INFO L82 PathProgramCache]: Analyzing trace with hash 2034589038, now seen corresponding path program 1 times [2018-02-04 16:49:55,023 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:55,036 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:55,802 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 16:49:55,802 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:55,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:49:55,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:55,803 INFO L182 omatonBuilderFactory]: Interpolants [25408#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 25409#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 25410#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 25411#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| main_~end~0.base))), 25412#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 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))) (= 1 (select |#valid| main_~end~0.base))), 25413#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 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))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 25414#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 25415#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 25416#(and (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 25417#(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)) (= 12 (select |#length| main_~list~0.base))), 25418#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 12 (select |#length| main_~list~0.base))), 25419#(and (= 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)) (= 12 (select |#length| main_~list~0.base))), 25420#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~list~0.base))), 25421#(or (and (= main_~end~0.base main_~list~0.base) (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))) (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 0)) main_~list~0.base) main_~list~0.offset)) 1))), 25422#(and (or (and (= main_~end~0.base main_~list~0.base) (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset main_~list~0.offset)) (<= 0 main_~end~0.offset) (= 12 (select |#length| main_~list~0.base))) (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))))) (= 1 (select |#valid| main_~end~0.base))), 25423#(and (or (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)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset) (= 12 (select |#length| main_~list~0.base)))) (= 1 (select |#valid| main_~end~0.base))), 25424#(and (or (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)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 25425#(and (or (and (not (= main_~list~0.base |main_#t~malloc5.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_#t~malloc5.base|)) main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~malloc5.base| main_~list~0.base) (= |main_#t~malloc5.offset| main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc5.base|))), 25426#(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))) (= 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)))), 25427#(and (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 (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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 |main_#t~mem7.base|))), 25428#(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))), 25429#(or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 25430#(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 0)) 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))), 25431#(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))), 25432#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 25433#(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) (= 0 (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)))), 25434#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 25435#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 25436#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 25437#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 25438#(= 1 (select |#valid| main_~end~0.base)), 25405#true, 25406#false, 25407#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|)))] [2018-02-04 16:49:55,803 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 16:49:55,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:49:55,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:49:55,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=963, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:49:55,804 INFO L87 Difference]: Start difference. First operand 321 states and 347 transitions. Second operand 34 states. [2018-02-04 16:49:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:49:57,842 INFO L93 Difference]: Finished difference Result 435 states and 470 transitions. [2018-02-04 16:49:57,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 16:49:57,843 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2018-02-04 16:49:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:49:57,843 INFO L225 Difference]: With dead ends: 435 [2018-02-04 16:49:57,844 INFO L226 Difference]: Without dead ends: 435 [2018-02-04 16:49:57,844 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1306 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1075, Invalid=3617, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 16:49:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-02-04 16:49:57,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 363. [2018-02-04 16:49:57,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-02-04 16:49:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 393 transitions. [2018-02-04 16:49:57,846 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 393 transitions. Word has length 90 [2018-02-04 16:49:57,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:49:57,846 INFO L432 AbstractCegarLoop]: Abstraction has 363 states and 393 transitions. [2018-02-04 16:49:57,846 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:49:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 393 transitions. [2018-02-04 16:49:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 16:49:57,847 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:49:57,847 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] [2018-02-04 16:49:57,847 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:49:57,847 INFO L82 PathProgramCache]: Analyzing trace with hash 2034589039, now seen corresponding path program 1 times [2018-02-04 16:49:57,847 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:49:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:49:57,865 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:49:58,785 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 16:49:58,785 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:49:58,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:49:58,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:49:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:49:58,786 INFO L182 omatonBuilderFactory]: Interpolants [26307#true, 26308#false, 26309#(= 0 |main_#t~malloc0.offset|), 26310#(= 0 main_~list~0.offset), 26311#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 26312#(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)), 26313#(and (= 0 |main_#t~malloc5.offset|) (= 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 |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 26314#(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))), 26315#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 26316#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 12 (select |#length| |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 26317#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 26318#(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)) (<= 0 main_~end~0.offset) (= (select |#valid| main_~list~0.base) 1)), 26319#(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)), 26320#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 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_#t~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 26321#(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) (<= 12 (select |#length| main_~end~0.base)) (= (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)))), 26322#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~list~0.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (<= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~end~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 26323#(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) (<= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~end~0.base) 1)), 26324#(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~mem18.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26325#(and (not (= main_~end~0.base main_~list~0.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 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 26326#(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) (= 1 (select |#valid| main_~end~0.base)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26327#(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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 26328#(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)))), 26329#(and (or (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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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 (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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 |main_#t~mem7.base|))), 26330#(and (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_~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 (= 0 (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)))), 26331#(and (or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.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~mem9.base|)))) (or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 26332#(and (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 0)) 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))) (or (<= 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 0)) 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)))), 26333#(and (or (and (= 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)))) (or (= 0 (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)))), 26334#(and (or (= 0 (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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (or (and (= |main_#t~mem22.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))))), 26335#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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))))), 26336#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 0 (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))))), 26337#(and (or (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (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))), 26338#(and (= 0 |main_#t~mem27.offset|) (or (= 0 |main_#t~mem27.base|) (<= 12 (select |#length| |main_#t~mem27.base|)))), 26339#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (<= 12 (select |#length| main_~end~0.base)))), 26340#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))] [2018-02-04 16:49:58,787 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 16:49:58,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:49:58,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:49:58,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=941, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:49:58,787 INFO L87 Difference]: Start difference. First operand 363 states and 393 transitions. Second operand 34 states. [2018-02-04 16:50:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:01,323 INFO L93 Difference]: Finished difference Result 481 states and 519 transitions. [2018-02-04 16:50:01,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 16:50:01,323 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2018-02-04 16:50:01,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:01,324 INFO L225 Difference]: With dead ends: 481 [2018-02-04 16:50:01,324 INFO L226 Difference]: Without dead ends: 481 [2018-02-04 16:50:01,325 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1892 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1282, Invalid=5198, Unknown=0, NotChecked=0, Total=6480 [2018-02-04 16:50:01,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-02-04 16:50:01,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 407. [2018-02-04 16:50:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-02-04 16:50:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 441 transitions. [2018-02-04 16:50:01,327 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 441 transitions. Word has length 90 [2018-02-04 16:50:01,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:01,328 INFO L432 AbstractCegarLoop]: Abstraction has 407 states and 441 transitions. [2018-02-04 16:50:01,328 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 441 transitions. [2018-02-04 16:50:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 16:50:01,328 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:01,328 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] [2018-02-04 16:50:01,328 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:01,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1267439958, now seen corresponding path program 2 times [2018-02-04 16:50:01,329 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:01,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:01,935 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 16:50:01,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:01,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:50:01,936 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:01,936 INFO L182 omatonBuilderFactory]: Interpolants [27328#(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)), 27329#(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 |main_#t~malloc5.base|))), 27330#(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))), 27331#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 27332#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 27333#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 27334#(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)), 27335#(and (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 27336#(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))), 27337#(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 (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 27338#(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))), 27339#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 27340#(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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset)), 27341#(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)), 27342#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)))), 27343#(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)))), 27344#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) 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)) (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)))), 27345#(or (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)))) (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))), 27346#(or (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~0.offset)) (and (= |main_#t~mem18.offset| main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 27347#(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 0)) 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))), 27348#(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))), 27349#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 27350#(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) (= 0 (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)))), 27351#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 27352#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27353#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 27354#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 27355#(= 1 (select |#valid| main_~end~0.base)), 27323#true, 27324#false, 27325#(= 0 |main_#t~malloc0.offset|), 27326#(= 0 main_~list~0.offset), 27327#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 16:50:01,936 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 16:50:01,936 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 16:50:01,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 16:50:01,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=902, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 16:50:01,937 INFO L87 Difference]: Start difference. First operand 407 states and 441 transitions. Second operand 33 states. [2018-02-04 16:50:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:03,983 INFO L93 Difference]: Finished difference Result 531 states and 574 transitions. [2018-02-04 16:50:03,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 16:50:03,983 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 90 [2018-02-04 16:50:03,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:03,984 INFO L225 Difference]: With dead ends: 531 [2018-02-04 16:50:03,984 INFO L226 Difference]: Without dead ends: 531 [2018-02-04 16:50:03,985 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1612 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1218, Invalid=4634, Unknown=0, NotChecked=0, Total=5852 [2018-02-04 16:50:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-02-04 16:50:03,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 431. [2018-02-04 16:50:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-02-04 16:50:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 466 transitions. [2018-02-04 16:50:03,987 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 466 transitions. Word has length 90 [2018-02-04 16:50:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:03,987 INFO L432 AbstractCegarLoop]: Abstraction has 431 states and 466 transitions. [2018-02-04 16:50:03,987 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 16:50:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 466 transitions. [2018-02-04 16:50:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 16:50:03,988 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:03,988 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] [2018-02-04 16:50:03,988 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:03,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1267439957, now seen corresponding path program 2 times [2018-02-04 16:50:03,989 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:04,006 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:04,905 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 16:50:04,905 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:04,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:50:04,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:04,905 INFO L182 omatonBuilderFactory]: Interpolants [28416#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 28417#(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)), 28418#(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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))) (and (= |main_#t~malloc5.base| (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc5.base|)))) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 28419#(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))) (or (and (= 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 (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 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))))), 28420#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)))) (not (= main_~end~0.base |main_#t~mem7.base|))), 28421#(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) (or (and (= 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 (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 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))))), 28422#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 28423#(and (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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 28424#(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)))), 28425#(and (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))), 28426#(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)))), 28427#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) 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) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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)))), 28428#(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))), 28429#(or (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem18.offset| main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 28430#(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 0)) 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 0)) 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))), 28431#(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))), 28432#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (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)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 28433#(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) (= 0 (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)))), 28434#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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))))), 28435#(and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (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))), 28436#(or (and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 28437#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12))), 28438#(and (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12)), 28406#true, 28407#false, 28408#(= 0 |main_#t~malloc0.offset|), 28409#(= 0 main_~list~0.offset), 28410#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 28411#(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)), 28412#(and (= 0 |main_#t~malloc5.offset|) (= 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 |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 28413#(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))), 28414#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 28415#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 16:50:04,905 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 16:50:04,906 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 16:50:04,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 16:50:04,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=888, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 16:50:04,906 INFO L87 Difference]: Start difference. First operand 431 states and 466 transitions. Second operand 33 states. [2018-02-04 16:50:07,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:07,053 INFO L93 Difference]: Finished difference Result 524 states and 565 transitions. [2018-02-04 16:50:07,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 16:50:07,053 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 90 [2018-02-04 16:50:07,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:07,054 INFO L225 Difference]: With dead ends: 524 [2018-02-04 16:50:07,054 INFO L226 Difference]: Without dead ends: 524 [2018-02-04 16:50:07,054 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=981, Invalid=4275, Unknown=0, NotChecked=0, Total=5256 [2018-02-04 16:50:07,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-02-04 16:50:07,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 431. [2018-02-04 16:50:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-02-04 16:50:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 466 transitions. [2018-02-04 16:50:07,057 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 466 transitions. Word has length 90 [2018-02-04 16:50:07,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:07,057 INFO L432 AbstractCegarLoop]: Abstraction has 431 states and 466 transitions. [2018-02-04 16:50:07,057 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 16:50:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 466 transitions. [2018-02-04 16:50:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 16:50:07,057 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:07,057 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] [2018-02-04 16:50:07,058 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:07,058 INFO L82 PathProgramCache]: Analyzing trace with hash 134489850, now seen corresponding path program 2 times [2018-02-04 16:50:07,058 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:07,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:07,589 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 16:50:07,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:07,590 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 16:50:07,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:07,590 INFO L182 omatonBuilderFactory]: Interpolants [29474#true, 29475#false, 29476#(not (= 0 |main_#t~malloc0.base|)), 29477#(not (= 0 main_~list~0.base)), 29478#(and (not (= 0 main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 29479#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 29480#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|))), 29481#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= 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))), 29482#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= 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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 29483#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 29484#(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 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 29485#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 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) (= (select |#valid| main_~list~0.base) 1)), 29486#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 29487#(and (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= 0 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)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 29488#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 29489#(and (not (= 0 main_~list~0.base)) (= 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)) 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)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 29490#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))), 29491#(and (not (= 0 main_~list~0.base)) (= 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)) 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)) 0)))), 29492#(and (not (= 0 main_~list~0.base)) (= 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)) 0))) (= (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)) 0)))), 29493#(and (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (not (= 0 main_~list~0.base)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)))), 29494#(and (not (= 0 main_~list~0.base)) (= 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) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 29495#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 29496#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 29497#(or (not (= main_~list~0.offset 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 29498#(or (not (= 0 main_~list~0.offset)) (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))))), 29499#(or (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem29.base|))) (not (= 0 main_~list~0.offset))), 29500#(or (not (= 0 main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)))), 29501#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:50:07,590 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 16:50:07,590 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 16:50:07,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 16:50:07,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2018-02-04 16:50:07,590 INFO L87 Difference]: Start difference. First operand 431 states and 466 transitions. Second operand 28 states. [2018-02-04 16:50:08,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:08,867 INFO L93 Difference]: Finished difference Result 436 states and 471 transitions. [2018-02-04 16:50:08,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 16:50:08,867 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 92 [2018-02-04 16:50:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:08,868 INFO L225 Difference]: With dead ends: 436 [2018-02-04 16:50:08,868 INFO L226 Difference]: Without dead ends: 436 [2018-02-04 16:50:08,868 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=655, Invalid=3251, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 16:50:08,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-02-04 16:50:08,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 432. [2018-02-04 16:50:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-02-04 16:50:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 468 transitions. [2018-02-04 16:50:08,871 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 468 transitions. Word has length 92 [2018-02-04 16:50:08,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:08,871 INFO L432 AbstractCegarLoop]: Abstraction has 432 states and 468 transitions. [2018-02-04 16:50:08,871 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 16:50:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 468 transitions. [2018-02-04 16:50:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 16:50:08,872 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:08,872 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] [2018-02-04 16:50:08,872 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:08,872 INFO L82 PathProgramCache]: Analyzing trace with hash 134489851, now seen corresponding path program 1 times [2018-02-04 16:50:08,872 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:08,880 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:09,021 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 16:50:09,021 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:09,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 16:50:09,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:09,022 INFO L182 omatonBuilderFactory]: Interpolants [30440#true, 30441#false, 30442#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 30443#(and (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 30444#(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))), 30445#(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~mem27.base|) (= |main_#t~mem27.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)))), 30446#(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)))), 30447#(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)))), 30448#(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))))), 30449#(and (<= (+ (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|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 30450#(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))), 30451#(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))), 30452#(and (<= 0 |main_#t~mem29.offset|) (<= (+ |main_#t~mem29.offset| 12) (select |#length| |main_#t~mem29.base|))), 30453#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-02-04 16:50:09,022 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 16:50:09,022 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 16:50:09,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 16:50:09,022 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:50:09,022 INFO L87 Difference]: Start difference. First operand 432 states and 468 transitions. Second operand 14 states. [2018-02-04 16:50:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:09,547 INFO L93 Difference]: Finished difference Result 551 states and 591 transitions. [2018-02-04 16:50:09,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 16:50:09,547 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 92 [2018-02-04 16:50:09,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:09,548 INFO L225 Difference]: With dead ends: 551 [2018-02-04 16:50:09,548 INFO L226 Difference]: Without dead ends: 551 [2018-02-04 16:50:09,548 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 16:50:09,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2018-02-04 16:50:09,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 485. [2018-02-04 16:50:09,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-02-04 16:50:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 534 transitions. [2018-02-04 16:50:09,551 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 534 transitions. Word has length 92 [2018-02-04 16:50:09,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:09,551 INFO L432 AbstractCegarLoop]: Abstraction has 485 states and 534 transitions. [2018-02-04 16:50:09,551 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 16:50:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 534 transitions. [2018-02-04 16:50:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 16:50:09,552 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:09,552 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] [2018-02-04 16:50:09,552 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:09,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1783849608, now seen corresponding path program 4 times [2018-02-04 16:50:09,552 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:09,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:09,776 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 16:50:09,776 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:09,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 16:50:09,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:09,777 INFO L182 omatonBuilderFactory]: Interpolants [31520#(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)))), 31521#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0))), 31522#(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 0)) main_~list~0.base) main_~list~0.offset) 0))), 31523#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 31524#(not (= |main_#t~mem31.base| 0)), 31525#(not (= main_~end~0.base 0)), 31526#(not (= main_~list~0.base 0)), 31506#true, 31507#false, 31508#(= (select |#valid| main_~list~0.base) 1), 31509#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1)), 31510#(and (= 0 |main_#t~malloc5.offset|) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|))), 31511#(and (= main_~list~0.offset 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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 31512#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 31513#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= (select |#valid| main_~list~0.base) 1)), 31514#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 31515#(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) (= (select |#valid| main_~list~0.base) 1)), 31516#(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)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 31517#(and (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) 0))), 31518#(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_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 31519#(and (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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base |main_#t~mem7.base|)))] [2018-02-04 16:50:09,777 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 16:50:09,777 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:50:09,777 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:50:09,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:50:09,777 INFO L87 Difference]: Start difference. First operand 485 states and 534 transitions. Second operand 21 states. [2018-02-04 16:50:10,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:10,594 INFO L93 Difference]: Finished difference Result 641 states and 714 transitions. [2018-02-04 16:50:10,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 16:50:10,594 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2018-02-04 16:50:10,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:10,596 INFO L225 Difference]: With dead ends: 641 [2018-02-04 16:50:10,596 INFO L226 Difference]: Without dead ends: 631 [2018-02-04 16:50:10,596 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1574, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 16:50:10,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2018-02-04 16:50:10,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 526. [2018-02-04 16:50:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-02-04 16:50:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 576 transitions. [2018-02-04 16:50:10,599 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 576 transitions. Word has length 92 [2018-02-04 16:50:10,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:10,599 INFO L432 AbstractCegarLoop]: Abstraction has 526 states and 576 transitions. [2018-02-04 16:50:10,599 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:50:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 576 transitions. [2018-02-04 16:50:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 16:50:10,600 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:10,600 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] [2018-02-04 16:50:10,600 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:10,600 INFO L82 PathProgramCache]: Analyzing trace with hash -616450223, now seen corresponding path program 5 times [2018-02-04 16:50:10,601 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:10,607 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:11,118 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 16:50:11,119 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:11,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:50:11,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:11,120 INFO L182 omatonBuilderFactory]: Interpolants [32740#true, 32741#false, 32742#(= (select |#valid| main_~list~0.base) 1), 32743#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 32744#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 32745#(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))), 32746#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 32747#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 32748#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 32749#(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))), 32750#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 32751#(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))), 32752#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (not (= main_~end~0.base |main_#t~mem7.base|))), 32753#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.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_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.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)))), 32754#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 32755#(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)))), 32756#(and (= |main_#t~mem22.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_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 32757#(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))) (= 0 (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))), 32758#(and (= 0 (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)))) (= 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))))), 32759#(and (= 0 (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)))) (= 0 (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))))), 32760#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 32761#(and (= 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_~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)))), 32762#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 32763#(and (= 0 (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))), 32764#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 32765#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:50:11,120 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 16:50:11,120 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:50:11,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:50:11,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:50:11,121 INFO L87 Difference]: Start difference. First operand 526 states and 576 transitions. Second operand 26 states. [2018-02-04 16:50:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:12,412 INFO L93 Difference]: Finished difference Result 594 states and 654 transitions. [2018-02-04 16:50:12,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 16:50:12,412 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 93 [2018-02-04 16:50:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:12,414 INFO L225 Difference]: With dead ends: 594 [2018-02-04 16:50:12,414 INFO L226 Difference]: Without dead ends: 594 [2018-02-04 16:50:12,414 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=245, Invalid=2107, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 16:50:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2018-02-04 16:50:12,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 529. [2018-02-04 16:50:12,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-02-04 16:50:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 579 transitions. [2018-02-04 16:50:12,416 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 579 transitions. Word has length 93 [2018-02-04 16:50:12,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:12,417 INFO L432 AbstractCegarLoop]: Abstraction has 529 states and 579 transitions. [2018-02-04 16:50:12,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:50:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 579 transitions. [2018-02-04 16:50:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 16:50:12,417 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:12,417 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] [2018-02-04 16:50:12,417 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:12,417 INFO L82 PathProgramCache]: Analyzing trace with hash 395734523, now seen corresponding path program 1 times [2018-02-04 16:50:12,418 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:12,425 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:12,856 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 16:50:12,856 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:12,856 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 16:50:12,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:12,857 INFO L182 omatonBuilderFactory]: Interpolants [33935#true, 33936#false, 33937#(= (select |#valid| main_~list~0.base) 1), 33938#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 33939#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|))), 33940#(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))), 33941#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 33942#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 33943#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 33944#(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) (= (select |#valid| main_~list~0.base) 1)), 33945#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.offset|) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 33946#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (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)))), 33947#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 33948#(and (= 0 (select (select |#memory_$Pointer$.offset| (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_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 33949#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (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 0)) main_~list~0.base) main_~list~0.offset)))), 33950#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)), 33951#(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)), 33952#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)) (= |main_#t~mem27.base| (select (select |#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~mem27.offset|)), 33953#(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))), 33954#(and (or (= 0 |main_#t~mem27.offset|) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))) (= |main_#t~mem27.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)))), 33955#(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))))), 33956#(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)), 33957#(or (<= (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|) 0) (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 33958#(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)), 33959#(or (not (= main_~end~0.offset 0)) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)), 33960#(or (not (= main_~list~0.offset 0)) (<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)), 33961#(or (<= |main_#t~mem29.offset| 0) (not (= 0 main_~list~0.offset))), 33962#(or (not (= 0 main_~list~0.offset)) (<= main_~end~0.offset 0)), 33963#(<= main_~end~0.offset 0), 33964#(and (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset))] [2018-02-04 16:50:12,857 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 16:50:12,857 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 16:50:12,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 16:50:12,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=756, Unknown=0, NotChecked=0, Total=870 [2018-02-04 16:50:12,857 INFO L87 Difference]: Start difference. First operand 529 states and 579 transitions. Second operand 30 states. [2018-02-04 16:50:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:14,228 INFO L93 Difference]: Finished difference Result 548 states and 598 transitions. [2018-02-04 16:50:14,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 16:50:14,228 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 94 [2018-02-04 16:50:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:14,229 INFO L225 Difference]: With dead ends: 548 [2018-02-04 16:50:14,229 INFO L226 Difference]: Without dead ends: 548 [2018-02-04 16:50:14,229 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1222 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=702, Invalid=3720, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 16:50:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-02-04 16:50:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-02-04 16:50:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-02-04 16:50:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 581 transitions. [2018-02-04 16:50:14,232 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 581 transitions. Word has length 94 [2018-02-04 16:50:14,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:14,232 INFO L432 AbstractCegarLoop]: Abstraction has 531 states and 581 transitions. [2018-02-04 16:50:14,232 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 16:50:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 581 transitions. [2018-02-04 16:50:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 16:50:14,233 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:14,233 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] [2018-02-04 16:50:14,233 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:14,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1008483412, now seen corresponding path program 2 times [2018-02-04 16:50:14,233 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:14,241 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:14,784 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 16:50:14,784 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:14,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 16:50:14,784 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:14,785 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 16:50:14,785 INFO L182 omatonBuilderFactory]: Interpolants [35136#(and (not (= 0 main_~list~0.base)) (= 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)) 0))) (= (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)) 0)))), 35137#(and (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (not (= 0 main_~list~0.base)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)))), 35138#(and (not (= 0 main_~list~0.base)) (= 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) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 35139#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 35140#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 35141#(or (not (= main_~list~0.offset 0)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35142#(or (not (= 0 main_~list~0.offset)) (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))))), 35143#(or (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem31.base|))) (not (= 0 main_~list~0.offset))), 35144#(or (not (= 0 main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base)))), 35145#(= 1 (select |#valid| main_~end~0.base)), 35146#(= 1 (select |#valid| main_~list~0.base)), 35118#true, 35119#false, 35120#(not (= 0 |main_#t~malloc0.base|)), 35121#(not (= 0 main_~list~0.base)), 35122#(and (not (= 0 main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 35123#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 35124#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|))), 35125#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= 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))), 35126#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= 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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 35127#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 35128#(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 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 35129#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 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) (= (select |#valid| main_~list~0.base) 1)), 35130#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 35131#(and (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= 0 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)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 35132#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 main_~list~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 35133#(and (not (= 0 main_~list~0.base)) (= 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)) 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)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 35134#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))), 35135#(and (not (= 0 main_~list~0.base)) (= 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)) 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)) 0))))] [2018-02-04 16:50:14,785 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 16:50:14,785 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 16:50:14,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 16:50:14,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2018-02-04 16:50:14,785 INFO L87 Difference]: Start difference. First operand 531 states and 581 transitions. Second operand 29 states. [2018-02-04 16:50:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:16,235 INFO L93 Difference]: Finished difference Result 548 states and 598 transitions. [2018-02-04 16:50:16,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 16:50:16,235 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 95 [2018-02-04 16:50:16,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:16,236 INFO L225 Difference]: With dead ends: 548 [2018-02-04 16:50:16,236 INFO L226 Difference]: Without dead ends: 548 [2018-02-04 16:50:16,236 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=772, Invalid=3650, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 16:50:16,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-02-04 16:50:16,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 535. [2018-02-04 16:50:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-02-04 16:50:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 587 transitions. [2018-02-04 16:50:16,239 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 587 transitions. Word has length 95 [2018-02-04 16:50:16,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:16,239 INFO L432 AbstractCegarLoop]: Abstraction has 535 states and 587 transitions. [2018-02-04 16:50:16,239 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 16:50:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 587 transitions. [2018-02-04 16:50:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 16:50:16,240 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:16,240 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] [2018-02-04 16:50:16,240 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1008483411, now seen corresponding path program 1 times [2018-02-04 16:50:16,240 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:16,246 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:16,402 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 16:50:16,402 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:16,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 16:50:16,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:16,402 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 16:50:16,402 INFO L182 omatonBuilderFactory]: Interpolants [36320#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 36321#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base))), 36306#true, 36307#false, 36308#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 36309#(and (= |main_#t~mem27.base| (select (select |#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~mem27.offset|)), 36310#(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))), 36311#(and (= |main_#t~mem27.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~mem27.offset|)), 36312#(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)))), 36313#(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)))), 36314#(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))))), 36315#(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))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| 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| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 36316#(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)) 12) (select |#length| (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| (select (select |#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))), 36317#(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))), 36318#(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))), 36319#(and (<= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 12) (select |#length| |main_#t~mem31.base|)))] [2018-02-04 16:50:16,403 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 16:50:16,403 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 16:50:16,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 16:50:16,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-02-04 16:50:16,403 INFO L87 Difference]: Start difference. First operand 535 states and 587 transitions. Second operand 16 states. [2018-02-04 16:50:16,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:16,940 INFO L93 Difference]: Finished difference Result 610 states and 654 transitions. [2018-02-04 16:50:16,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 16:50:16,940 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 95 [2018-02-04 16:50:16,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:16,941 INFO L225 Difference]: With dead ends: 610 [2018-02-04 16:50:16,941 INFO L226 Difference]: Without dead ends: 610 [2018-02-04 16:50:16,942 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 16:50:16,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2018-02-04 16:50:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 548. [2018-02-04 16:50:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2018-02-04 16:50:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 603 transitions. [2018-02-04 16:50:16,945 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 603 transitions. Word has length 95 [2018-02-04 16:50:16,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:16,945 INFO L432 AbstractCegarLoop]: Abstraction has 548 states and 603 transitions. [2018-02-04 16:50:16,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 16:50:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 603 transitions. [2018-02-04 16:50:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 16:50:16,946 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:16,946 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] [2018-02-04 16:50:16,946 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:16,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1371762645, now seen corresponding path program 1 times [2018-02-04 16:50:16,946 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:16,954 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:17,086 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 16:50:17,086 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:17,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 16:50:17,087 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:17,087 INFO L182 omatonBuilderFactory]: Interpolants [37504#(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))), 37505#(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))), 37506#(and (<= 0 |main_#t~mem29.offset|) (<= (+ |main_#t~mem29.offset| 12) (select |#length| |main_#t~mem29.base|))), 37507#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 37494#true, 37495#false, 37496#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 37497#(and (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 37498#(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))), 37499#(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~mem25.base|) (= |main_#t~mem25.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)))), 37500#(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)))), 37501#(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)))), 37502#(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))))), 37503#(and (<= (+ (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|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|)))] [2018-02-04 16:50:17,087 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 16:50:17,087 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 16:50:17,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 16:50:17,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 16:50:17,088 INFO L87 Difference]: Start difference. First operand 548 states and 603 transitions. Second operand 14 states. [2018-02-04 16:50:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:17,669 INFO L93 Difference]: Finished difference Result 621 states and 669 transitions. [2018-02-04 16:50:17,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 16:50:17,669 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 95 [2018-02-04 16:50:17,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:17,670 INFO L225 Difference]: With dead ends: 621 [2018-02-04 16:50:17,670 INFO L226 Difference]: Without dead ends: 621 [2018-02-04 16:50:17,670 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 16:50:17,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-02-04 16:50:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 546. [2018-02-04 16:50:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-02-04 16:50:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 602 transitions. [2018-02-04 16:50:17,674 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 602 transitions. Word has length 95 [2018-02-04 16:50:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:17,674 INFO L432 AbstractCegarLoop]: Abstraction has 546 states and 602 transitions. [2018-02-04 16:50:17,674 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 16:50:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 602 transitions. [2018-02-04 16:50:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 16:50:17,674 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:17,674 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] [2018-02-04 16:50:17,674 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:17,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1629629195, now seen corresponding path program 3 times [2018-02-04 16:50:17,675 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:17,681 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:18,060 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 16:50:18,060 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:18,060 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:50:18,061 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:18,061 INFO L182 omatonBuilderFactory]: Interpolants [38691#true, 38692#false, 38693#(= (select |#valid| main_~list~0.base) 1), 38694#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 38695#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 38696#(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))), 38697#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 38698#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 38699#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 38700#(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))), 38701#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 38702#(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))), 38703#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (not (= main_~end~0.base |main_#t~mem7.base|))), 38704#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.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_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.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)))), 38705#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 38706#(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)))), 38707#(and (= |main_#t~mem22.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_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 38708#(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))) (= 0 (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))), 38709#(and (= 0 (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)))) (= 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))))), 38710#(and (= 0 (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)))) (= 0 (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))))), 38711#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 38712#(and (= 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_~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)))), 38713#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 38714#(and (= 0 (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))), 38715#(and (= 0 |main_#t~mem25.base|) (= 0 |main_#t~mem25.offset|)), 38716#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-02-04 16:50:18,061 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 16:50:18,061 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:50:18,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:50:18,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:50:18,061 INFO L87 Difference]: Start difference. First operand 546 states and 602 transitions. Second operand 26 states. [2018-02-04 16:50:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:19,363 INFO L93 Difference]: Finished difference Result 598 states and 655 transitions. [2018-02-04 16:50:19,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 16:50:19,363 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 95 [2018-02-04 16:50:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:19,364 INFO L225 Difference]: With dead ends: 598 [2018-02-04 16:50:19,364 INFO L226 Difference]: Without dead ends: 594 [2018-02-04 16:50:19,364 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 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 16:50:19,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2018-02-04 16:50:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 545. [2018-02-04 16:50:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2018-02-04 16:50:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 600 transitions. [2018-02-04 16:50:19,368 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 600 transitions. Word has length 95 [2018-02-04 16:50:19,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:19,368 INFO L432 AbstractCegarLoop]: Abstraction has 545 states and 600 transitions. [2018-02-04 16:50:19,368 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:50:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 600 transitions. [2018-02-04 16:50:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 16:50:19,368 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:19,369 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] [2018-02-04 16:50:19,369 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:19,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1198215313, now seen corresponding path program 2 times [2018-02-04 16:50:19,369 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:19,374 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:19,490 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 16:50:19,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:19,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 16:50:19,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:19,490 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 16:50:19,491 INFO L182 omatonBuilderFactory]: Interpolants [39906#true, 39907#false, 39908#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)), 39909#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 39910#(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))), 39911#(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~mem27.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~mem27.base|)), 39912#(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)))), 39913#(or (not (= (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)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0))), 39914#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)) (= |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))) (and (not (= (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_#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)))), 39915#(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| (select (select |#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 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= (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.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)))), 39916#(or (not (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0))), 39917#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))), 39918#(or (not (= |main_#t~mem31.base| 0)) (not (= |main_#t~mem31.offset| 0))), 39919#(or (not (= main_~end~0.offset 0)) (not (= main_~end~0.base 0))), 39920#(or (not (= main_~list~0.offset 0)) (not (= main_~list~0.base 0)))] [2018-02-04 16:50:19,491 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 16:50:19,491 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 16:50:19,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 16:50:19,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 16:50:19,491 INFO L87 Difference]: Start difference. First operand 545 states and 600 transitions. Second operand 15 states. [2018-02-04 16:50:20,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:20,116 INFO L93 Difference]: Finished difference Result 596 states and 640 transitions. [2018-02-04 16:50:20,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:50:20,116 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 96 [2018-02-04 16:50:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:20,117 INFO L225 Difference]: With dead ends: 596 [2018-02-04 16:50:20,117 INFO L226 Difference]: Without dead ends: 596 [2018-02-04 16:50:20,118 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 16:50:20,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2018-02-04 16:50:20,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 545. [2018-02-04 16:50:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2018-02-04 16:50:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 598 transitions. [2018-02-04 16:50:20,121 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 598 transitions. Word has length 96 [2018-02-04 16:50:20,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:20,121 INFO L432 AbstractCegarLoop]: Abstraction has 545 states and 598 transitions. [2018-02-04 16:50:20,121 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 16:50:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 598 transitions. [2018-02-04 16:50:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 16:50:20,122 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:20,122 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] [2018-02-04 16:50:20,122 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:20,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1950812948, now seen corresponding path program 3 times [2018-02-04 16:50:20,122 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:20,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:20,886 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 16:50:20,887 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:20,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:50:20,887 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:20,887 INFO L182 omatonBuilderFactory]: Interpolants [41096#true, 41097#false, 41098#(= 0 |main_#t~malloc0.offset|), 41099#(= 0 main_~list~0.offset), 41100#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 41101#(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)), 41102#(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 |main_#t~malloc5.base|))), 41103#(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))), 41104#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 41105#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 41106#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 41107#(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))), 41108#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 41109#(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))), 41110#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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 (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 41111#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.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)))), 41112#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 41113#(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))) (= 1 (select |#valid| main_~end~0.base))), 41114#(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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) (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~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 41115#(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))) (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))), 41116#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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)))) (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))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 41117#(and (or (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)))) (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))) (= 1 (select |#valid| main_~end~0.base))), 41118#(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~mem9.base|)) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 41119#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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))), 41120#(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))), 41121#(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~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 41122#(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) (= 0 (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)))), 41123#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 41124#(or (and (= 0 (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))) (= 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))))), 41125#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 41126#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 41127#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 41128#(= 1 (select |#valid| |main_#t~mem27.base|)), 41129#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:50:20,887 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 16:50:20,887 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:50:20,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:50:20,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=999, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:50:20,888 INFO L87 Difference]: Start difference. First operand 545 states and 598 transitions. Second operand 34 states. [2018-02-04 16:50:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:23,261 INFO L93 Difference]: Finished difference Result 659 states and 726 transitions. [2018-02-04 16:50:23,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 16:50:23,261 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 96 [2018-02-04 16:50:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:23,262 INFO L225 Difference]: With dead ends: 659 [2018-02-04 16:50:23,263 INFO L226 Difference]: Without dead ends: 659 [2018-02-04 16:50:23,263 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1636 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=952, Invalid=5368, Unknown=0, NotChecked=0, Total=6320 [2018-02-04 16:50:23,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2018-02-04 16:50:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 568. [2018-02-04 16:50:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-02-04 16:50:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 625 transitions. [2018-02-04 16:50:23,266 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 625 transitions. Word has length 96 [2018-02-04 16:50:23,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:23,266 INFO L432 AbstractCegarLoop]: Abstraction has 568 states and 625 transitions. [2018-02-04 16:50:23,266 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 625 transitions. [2018-02-04 16:50:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 16:50:23,267 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:23,267 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] [2018-02-04 16:50:23,267 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:23,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1950812949, now seen corresponding path program 3 times [2018-02-04 16:50:23,268 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:23,291 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:24,102 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 16:50:24,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:24,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:50:24,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:24,103 INFO L182 omatonBuilderFactory]: Interpolants [42449#true, 42450#false, 42451#(= 0 |main_#t~malloc0.offset|), 42452#(= 0 main_~list~0.offset), 42453#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 42454#(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)), 42455#(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 |main_#t~malloc5.base|))), 42456#(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))), 42457#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 42458#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 42459#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 42460#(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))), 42461#(and (= 12 (select |#length| |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 42462#(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))), 42463#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem16.base|)) (= |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 42464#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem18.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 (= main_~list~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.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)))), 42465#(and (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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 42466#(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))) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 42467#(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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) (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~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= |main_#t~malloc5.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~malloc5.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~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)))), 42468#(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))) (= 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)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 42469#(and (or (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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (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 |main_#t~mem7.base|))), 42470#(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))), 42471#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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)))))), 42472#(or (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_~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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset))))), 42473#(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))), 42474#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.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_~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)))))), 42475#(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) (= 0 (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)))), 42476#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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)))))), 42477#(or (and (= 0 (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 (= 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)))))), 42478#(or (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))))), 42479#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (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)))), 42480#(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))), 42481#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 42482#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-02-04 16:50:24,103 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 16:50:24,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:50:24,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:50:24,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:50:24,103 INFO L87 Difference]: Start difference. First operand 568 states and 625 transitions. Second operand 34 states. [2018-02-04 16:50:26,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:26,760 INFO L93 Difference]: Finished difference Result 667 states and 735 transitions. [2018-02-04 16:50:26,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 16:50:26,760 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 96 [2018-02-04 16:50:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:26,761 INFO L225 Difference]: With dead ends: 667 [2018-02-04 16:50:26,761 INFO L226 Difference]: Without dead ends: 667 [2018-02-04 16:50:26,762 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1477 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=803, Invalid=4897, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 16:50:26,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-02-04 16:50:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 571. [2018-02-04 16:50:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-02-04 16:50:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 628 transitions. [2018-02-04 16:50:26,766 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 628 transitions. Word has length 96 [2018-02-04 16:50:26,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:26,766 INFO L432 AbstractCegarLoop]: Abstraction has 571 states and 628 transitions. [2018-02-04 16:50:26,766 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 628 transitions. [2018-02-04 16:50:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 16:50:26,766 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:26,767 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] [2018-02-04 16:50:26,767 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:26,767 INFO L82 PathProgramCache]: Analyzing trace with hash -834586800, now seen corresponding path program 4 times [2018-02-04 16:50:26,767 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:26,779 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:27,415 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 16:50:27,415 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:27,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:50:27,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:27,416 INFO L182 omatonBuilderFactory]: Interpolants [43805#true, 43806#false, 43807#(= 0 |main_#t~malloc0.offset|), 43808#(= 0 main_~list~0.offset), 43809#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 43810#(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)), 43811#(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 |main_#t~malloc5.base|))), 43812#(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))), 43813#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 43814#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 43815#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 43816#(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))), 43817#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 43818#(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))), 43819#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 43820#(and (not (= main_~list~0.base |main_#t~mem9.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~mem9.base|)) (= |main_#t~mem9.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)))), 43821#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 43822#(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)), 43823#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (or (and (= |main_#t~malloc14.base| main_~list~0.base) (= |main_#t~malloc14.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~malloc14.base|)) (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~malloc14.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~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.base|))))), 43824#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (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)))), 43825#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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 (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 43826#(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))), 43827#(or (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|)))), 43828#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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))), 43829#(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))), 43830#(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~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 43831#(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) (= 0 (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)))), 43832#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 43833#(or (and (= 0 (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))) (= 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))))), 43834#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 43835#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43836#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 43837#(= 1 (select |#valid| |main_#t~mem27.base|)), 43838#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:50:27,416 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 16:50:27,416 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:50:27,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:50:27,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:50:27,416 INFO L87 Difference]: Start difference. First operand 571 states and 628 transitions. Second operand 34 states. [2018-02-04 16:50:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:29,970 INFO L93 Difference]: Finished difference Result 665 states and 734 transitions. [2018-02-04 16:50:29,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 16:50:29,970 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 96 [2018-02-04 16:50:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:29,972 INFO L225 Difference]: With dead ends: 665 [2018-02-04 16:50:29,972 INFO L226 Difference]: Without dead ends: 665 [2018-02-04 16:50:29,972 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=948, Invalid=5372, Unknown=0, NotChecked=0, Total=6320 [2018-02-04 16:50:29,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2018-02-04 16:50:29,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 575. [2018-02-04 16:50:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2018-02-04 16:50:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 634 transitions. [2018-02-04 16:50:29,975 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 634 transitions. Word has length 96 [2018-02-04 16:50:29,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:29,975 INFO L432 AbstractCegarLoop]: Abstraction has 575 states and 634 transitions. [2018-02-04 16:50:29,975 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 634 transitions. [2018-02-04 16:50:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 16:50:29,976 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:29,976 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] [2018-02-04 16:50:29,976 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:29,976 INFO L82 PathProgramCache]: Analyzing trace with hash -834586799, now seen corresponding path program 4 times [2018-02-04 16:50:29,976 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:29,988 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:30,999 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 16:50:30,999 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:30,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 16:50:30,999 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:31,000 INFO L182 omatonBuilderFactory]: Interpolants [45184#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) 0) 0))), 45185#(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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45186#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) 0) 0)) (not (= main_~end~0.base |main_#t~mem7.base|))), 45187#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 12 (select |#length| |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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) 0) 0)) (= |main_#t~mem9.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)))), 45188#(and (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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 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 0)) main_~list~0.base) 0) 0)) (= 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 45189#(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)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0))), 45190#(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~malloc14.base|)) (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~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) |main_#t~malloc14.offset|) 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (= |main_#t~malloc14.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~malloc14.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~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))), 45191#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (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_~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))) (= 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)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 45192#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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))) (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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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)))), 45193#(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))), 45194#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.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 (= main_~list~0.base |main_#t~mem18.base|)) (= 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_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~0.offset))), 45195#(or (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_~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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset))))), 45196#(or (and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (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))), 45197#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (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)))))), 45198#(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) (= 0 (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)))), 45199#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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)))))), 45200#(or (and (= 0 (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 (= 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)))))), 45201#(or (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))))), 45202#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (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)))), 45203#(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))), 45204#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 45205#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 45171#true, 45172#false, 45173#(= 0 |main_#t~malloc0.offset|), 45174#(= 0 main_~list~0.offset), 45175#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 45176#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 45177#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 45178#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 45179#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 45180#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 45181#(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 0)) main_~list~0.base) 0)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 45182#(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)) (= 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))), 45183#(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) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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)))] [2018-02-04 16:50:31,000 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 16:50:31,000 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 16:50:31,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 16:50:31,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 16:50:31,000 INFO L87 Difference]: Start difference. First operand 575 states and 634 transitions. Second operand 35 states. [2018-02-04 16:50:34,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:34,076 INFO L93 Difference]: Finished difference Result 673 states and 743 transitions. [2018-02-04 16:50:34,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 16:50:34,076 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 96 [2018-02-04 16:50:34,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:34,077 INFO L225 Difference]: With dead ends: 673 [2018-02-04 16:50:34,077 INFO L226 Difference]: Without dead ends: 673 [2018-02-04 16:50:34,077 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=855, Invalid=5307, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 16:50:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-02-04 16:50:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 552. [2018-02-04 16:50:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-02-04 16:50:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 607 transitions. [2018-02-04 16:50:34,080 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 607 transitions. Word has length 96 [2018-02-04 16:50:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:34,081 INFO L432 AbstractCegarLoop]: Abstraction has 552 states and 607 transitions. [2018-02-04 16:50:34,081 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 16:50:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 607 transitions. [2018-02-04 16:50:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 16:50:34,081 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:34,081 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] [2018-02-04 16:50:34,081 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:34,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1603774499, now seen corresponding path program 1 times [2018-02-04 16:50:34,082 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:34,088 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:34,488 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 16:50:34,489 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:34,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:50:34,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:34,489 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 16:50:34,489 INFO L182 omatonBuilderFactory]: Interpolants [46528#(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))), 46529#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 46530#(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))), 46531#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (not (= main_~end~0.base |main_#t~mem7.base|))), 46532#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.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_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.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)))), 46533#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 46534#(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)))), 46535#(and (= |main_#t~mem22.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_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 46536#(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))) (= 0 (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))), 46537#(and (= 0 (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)))) (= 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))))), 46538#(and (= 0 (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)))) (= 0 (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))))), 46539#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 46540#(and (= 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_~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)))), 46541#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))), 46542#(and (= 0 (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))), 46543#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)), 46544#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 46519#true, 46520#false, 46521#(= (select |#valid| main_~list~0.base) 1), 46522#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 46523#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 46524#(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))), 46525#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 46526#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 46527#(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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 16:50:34,489 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 16:50:34,489 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 16:50:34,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 16:50:34,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-02-04 16:50:34,490 INFO L87 Difference]: Start difference. First operand 552 states and 607 transitions. Second operand 26 states. [2018-02-04 16:50:35,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:35,711 INFO L93 Difference]: Finished difference Result 583 states and 638 transitions. [2018-02-04 16:50:35,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 16:50:35,711 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 96 [2018-02-04 16:50:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:35,712 INFO L225 Difference]: With dead ends: 583 [2018-02-04 16:50:35,713 INFO L226 Difference]: Without dead ends: 583 [2018-02-04 16:50:35,713 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=231, Invalid=2025, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 16:50:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2018-02-04 16:50:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 555. [2018-02-04 16:50:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-02-04 16:50:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 610 transitions. [2018-02-04 16:50:35,716 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 610 transitions. Word has length 96 [2018-02-04 16:50:35,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:35,716 INFO L432 AbstractCegarLoop]: Abstraction has 555 states and 610 transitions. [2018-02-04 16:50:35,716 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 16:50:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 610 transitions. [2018-02-04 16:50:35,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 16:50:35,717 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:35,717 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] [2018-02-04 16:50:35,717 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:35,717 INFO L82 PathProgramCache]: Analyzing trace with hash -357841125, now seen corresponding path program 1 times [2018-02-04 16:50:35,717 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:35,723 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:35,906 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 16:50:35,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:35,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 16:50:35,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:35,907 INFO L182 omatonBuilderFactory]: Interpolants [47727#true, 47728#false, 47729#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 47730#(and (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 47731#(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))), 47732#(and (= |main_#t~mem27.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~mem27.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)))), 47733#(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)))), 47734#(and (= (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))) |main_#t~mem27.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~mem27.base|)), 47735#(and (= (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))) main_~end~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)), 47736#(and (= 0 (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)))) (= 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))))), 47737#(and (= 0 (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|))) (= 0 (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|)))), 47738#(and (= 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_~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)))), 47739#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (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)))), 47740#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem29.base|) |main_#t~mem29.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem29.base|) |main_#t~mem29.offset|))), 47741#(and (= 0 (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))), 47742#(and (= 0 |main_#t~mem30.offset|) (= 0 |main_#t~mem30.base|)), 47743#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base))] [2018-02-04 16:50:35,907 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 16:50:35,907 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 16:50:35,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 16:50:35,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 16:50:35,907 INFO L87 Difference]: Start difference. First operand 555 states and 610 transitions. Second operand 17 states. [2018-02-04 16:50:36,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:36,623 INFO L93 Difference]: Finished difference Result 636 states and 692 transitions. [2018-02-04 16:50:36,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 16:50:36,623 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 97 [2018-02-04 16:50:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:36,624 INFO L225 Difference]: With dead ends: 636 [2018-02-04 16:50:36,624 INFO L226 Difference]: Without dead ends: 636 [2018-02-04 16:50:36,624 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 16:50:36,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2018-02-04 16:50:36,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 585. [2018-02-04 16:50:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-02-04 16:50:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 650 transitions. [2018-02-04 16:50:36,627 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 650 transitions. Word has length 97 [2018-02-04 16:50:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:36,627 INFO L432 AbstractCegarLoop]: Abstraction has 585 states and 650 transitions. [2018-02-04 16:50:36,627 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 16:50:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 650 transitions. [2018-02-04 16:50:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 16:50:36,628 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:36,628 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] [2018-02-04 16:50:36,628 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:36,628 INFO L82 PathProgramCache]: Analyzing trace with hash 65374569, now seen corresponding path program 3 times [2018-02-04 16:50:36,629 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:36,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:36,940 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 16:50:36,941 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:36,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 16:50:36,941 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:36,941 INFO L182 omatonBuilderFactory]: Interpolants [48992#false, 48993#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 48994#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 48995#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 48996#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 12 (select |#length| main_~list~0.base))), 48997#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 48998#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12) (= (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))), 48999#(and (<= (select |#length| main_~list~0.base) 12) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) 0))), 49000#(and (not (= 0 main_~list~0.base)) (or (= 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))) (or (not (= main_~end~0.base main_~list~0.base)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))))), 49001#(and (not (= 0 main_~list~0.base)) (or (= 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))) (or (not (= main_~end~0.base main_~list~0.base)) (and (not (= main_~end~0.offset 0)) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 49002#(and (not (= 0 main_~list~0.base)) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)))) (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.offset 0)) (<= main_~end~0.offset 0)))), 49003#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 |main_#t~mem27.base|)))), 49004#(and (not (= 0 main_~list~0.base)) (or (not (= 0 main_~end~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 49005#(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)))), 49006#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem31.base|))), 49007#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 49008#(= 1 (select |#valid| main_~end~0.base)), 49009#(= 1 (select |#valid| main_~list~0.base)), 48991#true] [2018-02-04 16:50:36,941 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 16:50:36,941 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 16:50:36,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 16:50:36,941 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-02-04 16:50:36,942 INFO L87 Difference]: Start difference. First operand 585 states and 650 transitions. Second operand 19 states. [2018-02-04 16:50:37,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:37,620 INFO L93 Difference]: Finished difference Result 600 states and 658 transitions. [2018-02-04 16:50:37,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 16:50:37,620 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 97 [2018-02-04 16:50:37,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:37,621 INFO L225 Difference]: With dead ends: 600 [2018-02-04 16:50:37,621 INFO L226 Difference]: Without dead ends: 600 [2018-02-04 16:50:37,621 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:50:37,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-02-04 16:50:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 585. [2018-02-04 16:50:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-02-04 16:50:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 649 transitions. [2018-02-04 16:50:37,624 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 649 transitions. Word has length 97 [2018-02-04 16:50:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:37,624 INFO L432 AbstractCegarLoop]: Abstraction has 585 states and 649 transitions. [2018-02-04 16:50:37,624 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 16:50:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 649 transitions. [2018-02-04 16:50:37,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 16:50:37,625 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:37,625 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] [2018-02-04 16:50:37,625 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:37,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1791826400, now seen corresponding path program 1 times [2018-02-04 16:50:37,625 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:37,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:39,611 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 16:50:39,611 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:39,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:50:39,611 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:39,612 INFO L182 omatonBuilderFactory]: Interpolants [50240#(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 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 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 0)) main_~list~0.base) main_~list~0.offset))) (= (store (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 0)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 50241#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 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)) (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) (= (select |#valid| main_~list~0.base) 1)), 50242#(and (= (store (store (store |#valid| main_~list~0.base 0) |main_#t~malloc14.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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.offset|) (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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 50243#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= 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))) (= |old(#valid)| (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (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_~end~0.base) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 50244#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) 0))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) 0))) (= |old(#valid)| (store (store (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0))), 50245#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem18.base|))), 50246#(and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= |old(#valid)| (store (store (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 50247#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 50248#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 50249#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 50250#(and (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= 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_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 50251#(and (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (or (= 0 |main_#t~mem27.offset|) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem27.base|)), 50252#(and (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.offset 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 50253#(and (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)))), 50254#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~mem31.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem31.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)) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) 0) |main_#t~mem31.base| 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 50255#(and (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) main_~end~0.base 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (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))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 50256#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) main_~end~0.base 0) |old(#valid)|) (or (not (= main_~end~0.offset 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)))), 50257#(and (or (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.offset 0)))), 50258#(or (not (= 0 main_~list~0.offset)) (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 50259#(or (not (= 0 main_~list~0.offset)) (and (= (store (store |#valid| main_~list~0.base 0) |main_#t~mem29.base| 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~list~0.base)) (= |main_#t~mem29.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem29.base|)))), 50260#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) main_~end~0.base 0))) (not (= 0 main_~list~0.offset))), 50261#(and (not (= main_~end~0.base 0)) (= (store |#valid| main_~end~0.base 0) |old(#valid)|)), 50229#true, 50230#false, 50231#(= |#valid| |old(#valid)|), 50232#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 50233#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 50234#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 50235#(and (= main_~end~0.base (@diff |#valid| (store |#valid| main_~list~0.base 0))) (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 50236#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) |main_#t~malloc5.base| 0))), 50237#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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))), 50238#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 50239#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1))] [2018-02-04 16:50:39,612 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 16:50:39,612 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 16:50:39,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 16:50:39,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 16:50:39,612 INFO L87 Difference]: Start difference. First operand 585 states and 649 transitions. Second operand 33 states. [2018-02-04 16:50:41,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:41,413 INFO L93 Difference]: Finished difference Result 589 states and 652 transitions. [2018-02-04 16:50:41,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 16:50:41,413 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 98 [2018-02-04 16:50:41,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:41,414 INFO L225 Difference]: With dead ends: 589 [2018-02-04 16:50:41,414 INFO L226 Difference]: Without dead ends: 579 [2018-02-04 16:50:41,414 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=233, Invalid=3189, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 16:50:41,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2018-02-04 16:50:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2018-02-04 16:50:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-02-04 16:50:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 642 transitions. [2018-02-04 16:50:41,417 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 642 transitions. Word has length 98 [2018-02-04 16:50:41,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:41,417 INFO L432 AbstractCegarLoop]: Abstraction has 579 states and 642 transitions. [2018-02-04 16:50:41,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 16:50:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 642 transitions. [2018-02-04 16:50:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 16:50:41,417 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:41,418 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] [2018-02-04 16:50:41,418 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:41,418 INFO L82 PathProgramCache]: Analyzing trace with hash 41716861, now seen corresponding path program 1 times [2018-02-04 16:50:41,419 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:41,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:41,589 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 16:50:41,590 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:41,590 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 16:50:41,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:41,590 INFO L182 omatonBuilderFactory]: Interpolants [51488#(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)))), 51489#(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)))), 51490#(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))))), 51491#(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))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| 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| |main_#t~mem31.base|) |main_#t~mem31.offset|))) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 51492#(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)) 12) (select |#length| (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| (select (select |#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))), 51493#(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))), 51494#(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))), 51495#(and (<= 0 |main_#t~mem31.offset|) (<= (+ |main_#t~mem31.offset| 12) (select |#length| |main_#t~mem31.base|))), 51496#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 51497#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base))), 51482#true, 51483#false, 51484#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 51485#(and (= |main_#t~mem27.base| (select (select |#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~mem27.offset|)), 51486#(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))), 51487#(and (= |main_#t~mem25.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~mem25.offset|))] [2018-02-04 16:50:41,590 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 16:50:41,590 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 16:50:41,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 16:50:41,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-02-04 16:50:41,590 INFO L87 Difference]: Start difference. First operand 579 states and 642 transitions. Second operand 16 states. [2018-02-04 16:50:42,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:42,163 INFO L93 Difference]: Finished difference Result 654 states and 708 transitions. [2018-02-04 16:50:42,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 16:50:42,163 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 98 [2018-02-04 16:50:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:42,164 INFO L225 Difference]: With dead ends: 654 [2018-02-04 16:50:42,164 INFO L226 Difference]: Without dead ends: 654 [2018-02-04 16:50:42,164 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 16:50:42,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2018-02-04 16:50:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 584. [2018-02-04 16:50:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-02-04 16:50:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 648 transitions. [2018-02-04 16:50:42,167 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 648 transitions. Word has length 98 [2018-02-04 16:50:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:42,167 INFO L432 AbstractCegarLoop]: Abstraction has 584 states and 648 transitions. [2018-02-04 16:50:42,167 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 16:50:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 648 transitions. [2018-02-04 16:50:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 16:50:42,168 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:42,168 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] [2018-02-04 16:50:42,168 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:42,168 INFO L82 PathProgramCache]: Analyzing trace with hash 199050232, now seen corresponding path program 1 times [2018-02-04 16:50:42,168 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:42,181 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:42,914 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 16:50:42,914 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:42,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:50:42,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:42,915 INFO L182 omatonBuilderFactory]: Interpolants [52750#true, 52751#false, 52752#(= 0 |main_#t~malloc0.offset|), 52753#(= 0 main_~list~0.offset), 52754#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 52755#(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)), 52756#(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 |main_#t~malloc5.base|))), 52757#(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))), 52758#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 52759#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 52760#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 52761#(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))), 52762#(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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 52763#(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))), 52764#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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 (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 52765#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.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)))), 52766#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 52767#(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))) (= 1 (select |#valid| main_~end~0.base))), 52768#(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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) (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~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 52769#(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))) (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))), 52770#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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)))) (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))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 52771#(and (or (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)))) (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))) (= 1 (select |#valid| main_~end~0.base))), 52772#(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~mem9.base|)) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 52773#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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))), 52774#(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))), 52775#(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~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 52776#(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) (= 0 (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)))), 52777#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 52778#(or (and (= 0 (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))) (= 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))))), 52779#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 52780#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 52781#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 52782#(= 1 (select |#valid| |main_#t~mem25.base|)), 52783#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:50:42,915 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 16:50:42,915 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:50:42,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:50:42,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=999, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:50:42,915 INFO L87 Difference]: Start difference. First operand 584 states and 648 transitions. Second operand 34 states. [2018-02-04 16:50:45,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:45,247 INFO L93 Difference]: Finished difference Result 718 states and 798 transitions. [2018-02-04 16:50:45,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 16:50:45,248 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 98 [2018-02-04 16:50:45,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:45,249 INFO L225 Difference]: With dead ends: 718 [2018-02-04 16:50:45,249 INFO L226 Difference]: Without dead ends: 718 [2018-02-04 16:50:45,249 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1580 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=929, Invalid=5233, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 16:50:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2018-02-04 16:50:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 609. [2018-02-04 16:50:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-02-04 16:50:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 676 transitions. [2018-02-04 16:50:45,252 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 676 transitions. Word has length 98 [2018-02-04 16:50:45,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:45,253 INFO L432 AbstractCegarLoop]: Abstraction has 609 states and 676 transitions. [2018-02-04 16:50:45,253 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 676 transitions. [2018-02-04 16:50:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 16:50:45,253 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:45,253 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] [2018-02-04 16:50:45,253 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:45,253 INFO L82 PathProgramCache]: Analyzing trace with hash 199050233, now seen corresponding path program 1 times [2018-02-04 16:50:45,254 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:45,267 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:46,084 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 16:50:46,084 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:46,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:50:46,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:46,085 INFO L182 omatonBuilderFactory]: Interpolants [54208#(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))), 54209#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 54210#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 54211#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 54212#(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))), 54213#(and (= 12 (select |#length| |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 54214#(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))), 54215#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem16.base|)) (= |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 54216#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem18.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 (= main_~list~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.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)))), 54217#(and (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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 54218#(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))) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 54219#(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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) (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~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= |main_#t~malloc5.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~malloc5.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~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)))), 54220#(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))) (= 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)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 54221#(and (or (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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (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 |main_#t~mem7.base|))), 54222#(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))), 54223#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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)))))), 54224#(or (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_~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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset))))), 54225#(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))), 54226#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.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_~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)))))), 54227#(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) (= 0 (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)))), 54228#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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)))))), 54229#(or (and (= 0 (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 (= 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)))))), 54230#(or (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))))), 54231#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (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)))), 54232#(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))), 54233#(and (= 0 |main_#t~mem25.offset|) (= 12 (select |#length| |main_#t~mem25.base|))), 54234#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 54201#true, 54202#false, 54203#(= 0 |main_#t~malloc0.offset|), 54204#(= 0 main_~list~0.offset), 54205#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 54206#(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)), 54207#(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 |main_#t~malloc5.base|)))] [2018-02-04 16:50:46,085 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 16:50:46,085 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:50:46,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:50:46,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:50:46,086 INFO L87 Difference]: Start difference. First operand 609 states and 676 transitions. Second operand 34 states. [2018-02-04 16:50:48,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:48,663 INFO L93 Difference]: Finished difference Result 726 states and 806 transitions. [2018-02-04 16:50:48,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 16:50:48,663 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 98 [2018-02-04 16:50:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:48,664 INFO L225 Difference]: With dead ends: 726 [2018-02-04 16:50:48,664 INFO L226 Difference]: Without dead ends: 726 [2018-02-04 16:50:48,665 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1433 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=788, Invalid=4762, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 16:50:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-02-04 16:50:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 612. [2018-02-04 16:50:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-02-04 16:50:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 678 transitions. [2018-02-04 16:50:48,668 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 678 transitions. Word has length 98 [2018-02-04 16:50:48,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:48,668 INFO L432 AbstractCegarLoop]: Abstraction has 612 states and 678 transitions. [2018-02-04 16:50:48,668 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 678 transitions. [2018-02-04 16:50:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 16:50:48,668 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:48,668 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] [2018-02-04 16:50:48,668 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:48,668 INFO L82 PathProgramCache]: Analyzing trace with hash -805482188, now seen corresponding path program 2 times [2018-02-04 16:50:48,669 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:48,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:49,337 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 16:50:49,337 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:49,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 16:50:49,337 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:49,337 INFO L182 omatonBuilderFactory]: Interpolants [55680#(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~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 55681#(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) (= 0 (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)))), 55682#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 55683#(or (and (= 0 (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))) (= 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))))), 55684#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 55685#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 55686#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 55687#(= 1 (select |#valid| |main_#t~mem25.base|)), 55688#(= 1 (select |#valid| main_~end~0.base)), 55655#true, 55656#false, 55657#(= 0 |main_#t~malloc0.offset|), 55658#(= 0 main_~list~0.offset), 55659#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 55660#(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)), 55661#(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 |main_#t~malloc5.base|))), 55662#(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))), 55663#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 55664#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 55665#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 55666#(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))), 55667#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 55668#(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))), 55669#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 55670#(and (not (= main_~list~0.base |main_#t~mem9.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~mem9.base|)) (= |main_#t~mem9.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)))), 55671#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 55672#(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)), 55673#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (or (and (= |main_#t~malloc14.base| main_~list~0.base) (= |main_#t~malloc14.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~malloc14.base|)) (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~malloc14.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~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.base|))))), 55674#(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)))), 55675#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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 (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 55676#(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))), 55677#(or (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|)))), 55678#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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))), 55679#(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)))] [2018-02-04 16:50:49,337 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 16:50:49,337 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 16:50:49,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 16:50:49,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:50:49,338 INFO L87 Difference]: Start difference. First operand 612 states and 678 transitions. Second operand 34 states. [2018-02-04 16:50:51,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:51,862 INFO L93 Difference]: Finished difference Result 726 states and 806 transitions. [2018-02-04 16:50:51,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 16:50:51,862 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 98 [2018-02-04 16:50:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:51,863 INFO L225 Difference]: With dead ends: 726 [2018-02-04 16:50:51,863 INFO L226 Difference]: Without dead ends: 726 [2018-02-04 16:50:51,864 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=925, Invalid=5237, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 16:50:51,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-02-04 16:50:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 618. [2018-02-04 16:50:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2018-02-04 16:50:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 685 transitions. [2018-02-04 16:50:51,867 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 685 transitions. Word has length 98 [2018-02-04 16:50:51,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:51,867 INFO L432 AbstractCegarLoop]: Abstraction has 618 states and 685 transitions. [2018-02-04 16:50:51,867 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 16:50:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 685 transitions. [2018-02-04 16:50:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 16:50:51,868 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:51,868 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] [2018-02-04 16:50:51,868 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:51,868 INFO L82 PathProgramCache]: Analyzing trace with hash -805482187, now seen corresponding path program 2 times [2018-02-04 16:50:51,868 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:51,879 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:52,904 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 16:50:52,904 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:52,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 16:50:52,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:52,905 INFO L182 omatonBuilderFactory]: Interpolants [57152#(or (and (= 0 (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 (= 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)))))), 57153#(or (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|)) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))))), 57154#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (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)))), 57155#(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))), 57156#(and (= 0 |main_#t~mem25.offset|) (= 12 (select |#length| |main_#t~mem25.base|))), 57157#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 57123#true, 57124#false, 57125#(= 0 |main_#t~malloc0.offset|), 57126#(= 0 main_~list~0.offset), 57127#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 57128#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 57129#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 57130#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 57131#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 57132#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 57133#(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 0)) main_~list~0.base) 0)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 57134#(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)) (= 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))), 57135#(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) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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))), 57136#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) 0) 0))), 57137#(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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 57138#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) 0) 0)) (not (= main_~end~0.base |main_#t~mem7.base|))), 57139#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 12 (select |#length| |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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) 0) 0)) (= |main_#t~mem9.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)))), 57140#(and (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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 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 0)) main_~list~0.base) 0) 0)) (= 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 57141#(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)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0))), 57142#(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~malloc14.base|)) (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~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) |main_#t~malloc14.offset|) 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (= |main_#t~malloc14.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~malloc14.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~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))), 57143#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (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_~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))) (= 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)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 57144#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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))) (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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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)))), 57145#(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))), 57146#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.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 (= main_~list~0.base |main_#t~mem18.base|)) (= 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_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~0.offset))), 57147#(or (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_~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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) main_~list~0.base) main_~list~0.offset))))), 57148#(or (and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (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))), 57149#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (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)))))), 57150#(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) (= 0 (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)))), 57151#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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))))))] [2018-02-04 16:50:52,905 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 16:50:52,905 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 16:50:52,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 16:50:52,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 16:50:52,906 INFO L87 Difference]: Start difference. First operand 618 states and 685 transitions. Second operand 35 states. [2018-02-04 16:50:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:55,758 INFO L93 Difference]: Finished difference Result 734 states and 814 transitions. [2018-02-04 16:50:55,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 16:50:55,758 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 98 [2018-02-04 16:50:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:55,759 INFO L225 Difference]: With dead ends: 734 [2018-02-04 16:50:55,759 INFO L226 Difference]: Without dead ends: 734 [2018-02-04 16:50:55,760 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1498 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=840, Invalid=5166, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 16:50:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-02-04 16:50:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 593. [2018-02-04 16:50:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-02-04 16:50:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 657 transitions. [2018-02-04 16:50:55,766 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 657 transitions. Word has length 98 [2018-02-04 16:50:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:55,766 INFO L432 AbstractCegarLoop]: Abstraction has 593 states and 657 transitions. [2018-02-04 16:50:55,766 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 16:50:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 657 transitions. [2018-02-04 16:50:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 16:50:55,767 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:55,767 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] [2018-02-04 16:50:55,767 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:55,767 INFO L82 PathProgramCache]: Analyzing trace with hash -534003154, now seen corresponding path program 2 times [2018-02-04 16:50:55,768 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:55,779 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:56,119 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 16:50:56,120 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:56,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 16:50:56,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:56,120 INFO L182 omatonBuilderFactory]: Interpolants [58571#true, 58572#false, 58573#(= (select |#valid| main_~list~0.base) 1), 58574#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 58575#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|))), 58576#(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))), 58577#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 58578#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 58579#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 58580#(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) (= (select |#valid| main_~list~0.base) 1)), 58581#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.offset|) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 58582#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (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)))), 58583#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))), 58584#(and (= 0 (select (select |#memory_$Pointer$.offset| (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_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 58585#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (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 0)) main_~list~0.base) main_~list~0.offset)))), 58586#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)), 58587#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)), 58588#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 58589#(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))), 58590#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) 0)), 58591#(= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)), 58592#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) 0)), 58593#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.offset))), 58594#(or (and (= 0 (select (select |#memory_$Pointer$.offset| 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))) (not (= 0 main_~list~0.offset))), 58595#(or (not (= 0 main_~list~0.offset)) (and (= 0 (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)))), 58596#(= 0 main_~end~0.offset), 58597#(= 0 main_~list~0.offset)] [2018-02-04 16:50:56,120 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 16:50:56,120 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 16:50:56,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 16:50:56,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2018-02-04 16:50:56,121 INFO L87 Difference]: Start difference. First operand 593 states and 657 transitions. Second operand 27 states. [2018-02-04 16:50:57,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:57,264 INFO L93 Difference]: Finished difference Result 617 states and 683 transitions. [2018-02-04 16:50:57,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 16:50:57,264 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 99 [2018-02-04 16:50:57,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:57,266 INFO L225 Difference]: With dead ends: 617 [2018-02-04 16:50:57,266 INFO L226 Difference]: Without dead ends: 617 [2018-02-04 16:50:57,266 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=491, Invalid=3169, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 16:50:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-02-04 16:50:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 600. [2018-02-04 16:50:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2018-02-04 16:50:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 665 transitions. [2018-02-04 16:50:57,271 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 665 transitions. Word has length 99 [2018-02-04 16:50:57,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:57,271 INFO L432 AbstractCegarLoop]: Abstraction has 600 states and 665 transitions. [2018-02-04 16:50:57,271 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 16:50:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 665 transitions. [2018-02-04 16:50:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 16:50:57,272 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:57,272 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] [2018-02-04 16:50:57,272 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1293222047, now seen corresponding path program 1 times [2018-02-04 16:50:57,273 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:57,282 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:57,410 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 16:50:57,411 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:57,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 16:50:57,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:57,411 INFO L182 omatonBuilderFactory]: Interpolants [59883#true, 59884#false, 59885#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)), 59886#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 59887#(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))), 59888#(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~mem25.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~mem25.offset|)), 59889#(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)))), 59890#(or (not (= (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)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0))), 59891#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)) (= |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))) (and (not (= (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_#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)))), 59892#(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| (select (select |#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 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= (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.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)))), 59893#(or (not (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0))), 59894#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))), 59895#(or (not (= |main_#t~mem31.base| 0)) (not (= |main_#t~mem31.offset| 0))), 59896#(or (not (= main_~end~0.offset 0)) (not (= main_~end~0.base 0))), 59897#(or (not (= main_~list~0.offset 0)) (not (= main_~list~0.base 0)))] [2018-02-04 16:50:57,411 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 16:50:57,411 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 16:50:57,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 16:50:57,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2018-02-04 16:50:57,412 INFO L87 Difference]: Start difference. First operand 600 states and 665 transitions. Second operand 15 states. [2018-02-04 16:50:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:50:58,024 INFO L93 Difference]: Finished difference Result 650 states and 703 transitions. [2018-02-04 16:50:58,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 16:50:58,024 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 99 [2018-02-04 16:50:58,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:50:58,025 INFO L225 Difference]: With dead ends: 650 [2018-02-04 16:50:58,025 INFO L226 Difference]: Without dead ends: 650 [2018-02-04 16:50:58,026 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 16:50:58,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-02-04 16:50:58,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 561. [2018-02-04 16:50:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-02-04 16:50:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 613 transitions. [2018-02-04 16:50:58,029 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 613 transitions. Word has length 99 [2018-02-04 16:50:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:50:58,030 INFO L432 AbstractCegarLoop]: Abstraction has 561 states and 613 transitions. [2018-02-04 16:50:58,030 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 16:50:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 613 transitions. [2018-02-04 16:50:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 16:50:58,030 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:50:58,030 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] [2018-02-04 16:50:58,030 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:50:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash -96138655, now seen corresponding path program 4 times [2018-02-04 16:50:58,031 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:50:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:50:58,047 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:50:58,964 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 16:50:58,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:50:58,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 16:50:58,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:50:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:50:58,964 INFO L182 omatonBuilderFactory]: Interpolants [61141#true, 61142#false, 61143#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 61144#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 61145#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61146#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 61147#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| main_~end~0.base))), 61148#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 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))) (= 1 (select |#valid| main_~end~0.base))), 61149#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 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))) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 61150#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61151#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61152#(and (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61153#(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)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61154#(and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61155#(and (= 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)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61156#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 61157#(or (<= (+ main_~end~0.offset 1) 0) (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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)) (and (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)))), 61158#(and (= 1 (select |#valid| main_~end~0.base)) (or (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_~list~0.base) 1)) (and (or (= main_~end~0.offset main_~list~0.offset) (<= 1 main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base))))), 61159#(and (= 1 (select |#valid| main_~end~0.base)) (or (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_~list~0.base) 1)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base))))), 61160#(and (not (= main_~list~0.base |main_#t~malloc5.base|)) (or (= |main_#t~malloc5.base| (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~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)))) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 61161#(and (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))) (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)))), 61162#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)))) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem7.base|))), 61163#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~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)))), 61164#(or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 61165#(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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset))), 61166#(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)), 61167#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (or (and (not (= main_~list~0.base |main_#t~malloc14.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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~malloc14.base| main_~list~0.base) (= |main_#t~malloc14.offset| main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))))), 61168#(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))) (= 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)))), 61169#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset)))))), 61170#(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))), 61171#(or (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.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~mem18.base|)))), 61172#(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 0)) 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))), 61173#(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))), 61174#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 61175#(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) (= 0 (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)))), 61176#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 61177#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 61178#(or (= 1 (select |#valid| |main_#t~mem27.base|)) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 61179#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 61180#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:50:58,965 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 16:50:58,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 16:50:58,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 16:50:58,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1375, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 16:50:58,965 INFO L87 Difference]: Start difference. First operand 561 states and 613 transitions. Second operand 40 states. [2018-02-04 16:51:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:02,146 INFO L93 Difference]: Finished difference Result 716 states and 783 transitions. [2018-02-04 16:51:02,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 16:51:02,146 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 99 [2018-02-04 16:51:02,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:02,147 INFO L225 Difference]: With dead ends: 716 [2018-02-04 16:51:02,147 INFO L226 Difference]: Without dead ends: 716 [2018-02-04 16:51:02,148 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1463, Invalid=6019, Unknown=0, NotChecked=0, Total=7482 [2018-02-04 16:51:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2018-02-04 16:51:02,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 505. [2018-02-04 16:51:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-02-04 16:51:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 551 transitions. [2018-02-04 16:51:02,151 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 551 transitions. Word has length 99 [2018-02-04 16:51:02,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:02,151 INFO L432 AbstractCegarLoop]: Abstraction has 505 states and 551 transitions. [2018-02-04 16:51:02,151 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 16:51:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 551 transitions. [2018-02-04 16:51:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 16:51:02,151 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:02,151 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] [2018-02-04 16:51:02,151 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash -96138654, now seen corresponding path program 3 times [2018-02-04 16:51:02,152 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:02,174 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:03,854 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 16:51:03,855 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:03,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 16:51:03,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:03,855 INFO L182 omatonBuilderFactory]: Interpolants [62528#(and (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.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))))), 62529#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 0 (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))))), 62530#(and (or (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (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))), 62531#(and (= 0 |main_#t~mem27.offset|) (or (= 0 |main_#t~mem27.base|) (<= 12 (select |#length| |main_#t~mem27.base|)))), 62532#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (<= 12 (select |#length| main_~end~0.base)))), 62533#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base))), 62496#true, 62497#false, 62498#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 62499#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 62500#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 62501#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 62502#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= (select |#length| main_~end~0.base) 12) (= 12 (select |#length| |main_#t~malloc5.base|))), 62503#(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 0) (= main_~end~0.offset 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))) (= 1 (select |#valid| main_~end~0.base)) (= 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))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= main_~end~0.offset 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))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 62505#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 62506#(and (not (= main_~end~0.base main_~list~0.base)) (<= (select |#length| main_~list~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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 62507#(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 |#length| main_~list~0.base) 12) (= 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)), 62508#(and (<= (select |#length| main_~list~0.base) 12) (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (= (select |#length| main_~end~0.base) 12) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 62509#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (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)), 62510#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (<= (select |#length| main_~list~0.base) 12) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 62511#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (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)), 62512#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem18.base|)) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62513#(and (not (= main_~end~0.base main_~list~0.base)) (<= (select |#length| main_~list~0.base) 12) (<= 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 62514#(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 |#length| main_~list~0.base) 12) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62515#(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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 62516#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (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)))), 62517#(and (<= (select |#length| main_~list~0.base) 12) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem7.base|))), 62518#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62519#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62520#(and (<= (select |#length| main_~list~0.base) 12) (<= 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~malloc14.base|)) 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_#t~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.base|))), 62521#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (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)))), 62522#(and (<= (select |#length| main_~list~0.base) 12) (= 0 main_~list~0.offset) (<= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 62523#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (select |#length| main_~list~0.base) 12) (= 0 main_~list~0.offset) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62524#(and (or (and (= main_~end~0.base main_~list~0.base) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset 0) main_~list~0.offset)) (not (= (+ main_~end~0.offset 8) main_~list~0.offset))) (and (not (= main_~end~0.base main_~list~0.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 0)) 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 0)) main_~list~0.base) main_~list~0.offset))) (<= (+ main_~end~0.offset 1) 0)) (or (and (not (= main_~end~0.offset 0)) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))) (and (not (= main_~end~0.base main_~list~0.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 0)) 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 0)) main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset))), 62525#(and (or (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.offset 8) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (<= 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))) (or (and (not (= main_~end~0.offset 0)) (<= 0 main_~end~0.offset) (<= (select |#length| main_~end~0.base) 12)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (<= 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)))), 62526#(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))), 62527#(and (or (and (= |main_#t~mem22.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)) (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))))) (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)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))] [2018-02-04 16:51:03,855 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 16:51:03,855 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 16:51:03,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 16:51:03,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1170, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 16:51:03,856 INFO L87 Difference]: Start difference. First operand 505 states and 551 transitions. Second operand 38 states. [2018-02-04 16:51:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:06,473 INFO L93 Difference]: Finished difference Result 527 states and 572 transitions. [2018-02-04 16:51:06,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 16:51:06,473 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 99 [2018-02-04 16:51:06,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:06,474 INFO L225 Difference]: With dead ends: 527 [2018-02-04 16:51:06,475 INFO L226 Difference]: Without dead ends: 527 [2018-02-04 16:51:06,475 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1237, Invalid=4769, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 16:51:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2018-02-04 16:51:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 505. [2018-02-04 16:51:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-02-04 16:51:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 549 transitions. [2018-02-04 16:51:06,478 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 549 transitions. Word has length 99 [2018-02-04 16:51:06,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:06,478 INFO L432 AbstractCegarLoop]: Abstraction has 505 states and 549 transitions. [2018-02-04 16:51:06,478 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 16:51:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 549 transitions. [2018-02-04 16:51:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 16:51:06,478 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:06,478 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] [2018-02-04 16:51:06,479 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:06,479 INFO L82 PathProgramCache]: Analyzing trace with hash 625771643, now seen corresponding path program 3 times [2018-02-04 16:51:06,479 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:06,488 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:08,246 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 16:51:08,246 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:08,246 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-02-04 16:51:08,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:08,247 INFO L182 omatonBuilderFactory]: Interpolants [63680#(and (= 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 (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) 0)) (+ 0 8))) (= (select |#valid| 0) 0)) (= 1 (select |#valid| 0)))), 63681#(or (and (not (= 0 main_~list~0.base)) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ 0 8))) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (= 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 (= 0 main_~list~0.offset))), 63682#(or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (not (= 0 main_~list~0.base)) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ 0 8))) (= (select (store |#valid| main_~list~0.base 0) 0) 0) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))) (not (= 0 main_~list~0.offset))), 63683#(or (and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ 0 8))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))) (not (= 0 main_~list~0.offset))), 63684#(and (or (= 1 (select |#valid| 0)) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~end~0.base) (+ 0 8))))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 63685#(and (or (<= 1 main_~list~0.offset) (= 1 (select |#valid| 0)) (<= (+ main_~list~0.offset 1) 0) (and (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 63686#(or (and (or (and (= (select (store |#valid| main_~list~0.base 0) 0) 0) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 main_~list~0.offset))), 63687#(or (not (= 0 main_~list~0.offset)) (and (or (and (= 1 |main_#t~mem28|) (= (select (store |#valid| main_~list~0.base 0) 0) 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 63688#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 63689#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 |main_#t~mem29.base|))), 63690#(or (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.offset))), 63691#(= 1 (select |#valid| main_~end~0.base)), 63646#true, 63647#false, 63648#(= (select |#valid| 0) 0), 63649#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= (select |#valid| 0) 0)), 63650#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 63651#(and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= (select |#valid| main_~list~0.base) 1)), 63652#(and (= main_~list~0.offset 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 63653#(and (= 0 |main_#t~malloc5.offset|) (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= (select |#valid| 0) 0)), 63654#(and (= main_~list~0.offset 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 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))), 63655#(and (= main_~list~0.offset 0) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base)) (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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 63656#(and (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= (select |#valid| 0) 0)), 63657#(and (= 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 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| 0) 0)), 63658#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~list~0.offset 0) (= 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| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 63659#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.offset|) (= (select |#valid| 0) 0) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)))) (or (not (= main_~end~0.base |main_#t~malloc14.base|)) (= 1 (select |#valid| 0)))), 63660#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= 1 (select |#valid| 0)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 63661#(and (or (and (= main_~list~0.offset 0) (or (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 0) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| 0)))) (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base |main_#t~mem16.base|)) (= 1 (select |#valid| 0)))), 63662#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| 0) 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))))), 63663#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem18.base|) (= (select |#valid| 0) 0) (not (= main_~list~0.base |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)) (= 1 (select |#valid| 0)))), 63664#(and (or (and (= main_~list~0.offset 0) (not (= main_~end~0.base main_~list~0.base)) (= main_~list~0.offset main_~end~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 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| 0) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base))), 63665#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= (select |#valid| 0) 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| 0)))), 63666#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem21|) (= (select |#valid| 0) 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 63667#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= (select |#valid| 0) 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= 1 (select |#valid| 0)))), 63668#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0)))), 63669#(and (not (= 0 main_~list~0.base)) (= (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)) (= (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_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (+ main_~list~0.offset 8)))))), 63670#(and (or (and (= main_~list~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (+ main_~list~0.offset 8))) (= (select |#valid| 0) 0)) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 63671#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 63672#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem27.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 (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0))) (= |main_#t~mem27.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)))), 63673#(and (not (= 0 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)) (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 (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0)))), 63674#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0))) (= (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~mem27.base|)), 63675#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0))) (= (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)), 63676#(and (not (= 0 main_~list~0.base)) (= 0 (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)))) (or (and (= main_~list~0.offset 0) (= (select |#valid| 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (+ main_~list~0.offset 8)))) (= 1 (select |#valid| 0)))), 63677#(and (not (= 0 main_~list~0.base)) (or (and (= main_~list~0.offset 0) (= (select (store |#valid| main_~list~0.base 0) 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)) (+ main_~list~0.offset 8)))) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (= 0 (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|)))), 63678#(and (or (and (= main_~list~0.offset 0) (= (select (store |#valid| main_~list~0.base 0) 0) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) (+ main_~list~0.offset 8)))) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 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_~end~0.base) main_~end~0.offset)))), 63679#(and (= 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_~end~0.offset))) (or (= 1 (select |#valid| 0)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) (+ 0 8))) (= (select |#valid| 0) 0))))] [2018-02-04 16:51:08,247 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 16:51:08,247 INFO L409 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-02-04 16:51:08,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-02-04 16:51:08,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1932, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 16:51:08,248 INFO L87 Difference]: Start difference. First operand 505 states and 549 transitions. Second operand 46 states. [2018-02-04 16:51:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:11,369 INFO L93 Difference]: Finished difference Result 521 states and 565 transitions. [2018-02-04 16:51:11,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 16:51:11,369 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 100 [2018-02-04 16:51:11,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:11,370 INFO L225 Difference]: With dead ends: 521 [2018-02-04 16:51:11,370 INFO L226 Difference]: Without dead ends: 518 [2018-02-04 16:51:11,370 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2255 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=773, Invalid=7969, Unknown=0, NotChecked=0, Total=8742 [2018-02-04 16:51:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2018-02-04 16:51:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 513. [2018-02-04 16:51:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-02-04 16:51:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 557 transitions. [2018-02-04 16:51:11,372 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 557 transitions. Word has length 100 [2018-02-04 16:51:11,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:11,373 INFO L432 AbstractCegarLoop]: Abstraction has 513 states and 557 transitions. [2018-02-04 16:51:11,373 INFO L433 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-02-04 16:51:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 557 transitions. [2018-02-04 16:51:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 16:51:11,373 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:11,373 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] [2018-02-04 16:51:11,373 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:11,373 INFO L82 PathProgramCache]: Analyzing trace with hash -432694293, now seen corresponding path program 1 times [2018-02-04 16:51:11,374 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:11,379 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:11,548 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 16:51:11,548 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:11,548 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 16:51:11,548 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:11,549 INFO L182 omatonBuilderFactory]: Interpolants [64832#(and (= 0 (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|))) (= 0 (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|)))), 64833#(and (= 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_~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)))), 64834#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (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)))), 64835#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem29.base|) |main_#t~mem29.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem29.base|) |main_#t~mem29.offset|))), 64836#(and (= 0 (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))), 64837#(and (= 0 |main_#t~mem30.offset|) (= 0 |main_#t~mem30.base|)), 64838#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base)), 64822#true, 64823#false, 64824#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 64825#(and (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64826#(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))), 64827#(and (= |main_#t~mem25.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~mem25.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)))), 64828#(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)))), 64829#(and (= (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))) |main_#t~mem27.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~mem27.base|)), 64830#(and (= (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))) main_~end~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)), 64831#(and (= 0 (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)))) (= 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)))))] [2018-02-04 16:51:11,549 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 16:51:11,549 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 16:51:11,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 16:51:11,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 16:51:11,549 INFO L87 Difference]: Start difference. First operand 513 states and 557 transitions. Second operand 17 states. [2018-02-04 16:51:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:12,238 INFO L93 Difference]: Finished difference Result 588 states and 635 transitions. [2018-02-04 16:51:12,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 16:51:12,238 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 100 [2018-02-04 16:51:12,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:12,239 INFO L225 Difference]: With dead ends: 588 [2018-02-04 16:51:12,239 INFO L226 Difference]: Without dead ends: 588 [2018-02-04 16:51:12,239 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 16:51:12,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-02-04 16:51:12,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 517. [2018-02-04 16:51:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-02-04 16:51:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 563 transitions. [2018-02-04 16:51:12,241 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 563 transitions. Word has length 100 [2018-02-04 16:51:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:12,242 INFO L432 AbstractCegarLoop]: Abstraction has 517 states and 563 transitions. [2018-02-04 16:51:12,242 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 16:51:12,242 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 563 transitions. [2018-02-04 16:51:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 16:51:12,242 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:12,242 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:12,242 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash -528621808, now seen corresponding path program 1 times [2018-02-04 16:51:12,243 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:12,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:14,166 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 16:51:14,166 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:14,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:51:14,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:14,167 INFO L182 omatonBuilderFactory]: Interpolants [65985#(and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= |old(#valid)| (store (store (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 65984#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem18.base|))), 65987#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 65986#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65989#(and (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~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)) 0))) (= 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))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65988#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 65991#(and (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= main_~end~0.offset 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= main_~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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65990#(and (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem25.base|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= 0 |main_#t~mem25.offset|))), 65993#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~mem31.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem31.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)) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) 0) |main_#t~mem31.base| 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 65992#(and (not (= 0 main_~list~0.base)) (= (store (store (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)) 0) 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)))), 65995#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) main_~end~0.base 0) |old(#valid)|) (or (not (= main_~end~0.offset 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)))), 65994#(and (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) main_~end~0.base 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (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))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 65997#(or (not (= 0 main_~list~0.offset)) (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 65996#(and (or (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= main_~list~0.offset 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.offset 0)))), 65999#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) main_~end~0.base 0))) (not (= 0 main_~list~0.offset))), 65998#(or (not (= 0 main_~list~0.offset)) (and (= (store (store |#valid| main_~list~0.base 0) |main_#t~mem29.base| 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~list~0.base)) (= |main_#t~mem29.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem29.base|)))), 66000#(and (not (= main_~end~0.base 0)) (= (store |#valid| main_~end~0.base 0) |old(#valid)|)), 65969#false, 65968#true, 65971#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 65970#(= |#valid| |old(#valid)|), 65973#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 65972#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 65975#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) |main_#t~malloc5.base| 0))), 65974#(and (= main_~end~0.base (@diff |#valid| (store |#valid| main_~list~0.base 0))) (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 65977#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 65976#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 65979#(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 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 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 0)) main_~list~0.base) main_~list~0.offset))) (= (store (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 0)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 65978#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 65981#(and (= (store (store (store |#valid| main_~list~0.base 0) |main_#t~malloc14.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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.offset|) (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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 65980#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 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)) (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) (= (select |#valid| main_~list~0.base) 1)), 65983#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) 0))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) 0))) (= |old(#valid)| (store (store (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0))), 65982#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= main_~end~0.offset 0) (= 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))) (= |old(#valid)| (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (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_~end~0.base) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))))] [2018-02-04 16:51:14,167 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 16:51:14,167 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 16:51:14,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 16:51:14,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 16:51:14,167 INFO L87 Difference]: Start difference. First operand 517 states and 563 transitions. Second operand 33 states. [2018-02-04 16:51:16,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:16,113 INFO L93 Difference]: Finished difference Result 521 states and 566 transitions. [2018-02-04 16:51:16,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 16:51:16,113 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 101 [2018-02-04 16:51:16,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:16,114 INFO L225 Difference]: With dead ends: 521 [2018-02-04 16:51:16,114 INFO L226 Difference]: Without dead ends: 511 [2018-02-04 16:51:16,114 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 11 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=233, Invalid=3189, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 16:51:16,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-02-04 16:51:16,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2018-02-04 16:51:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-02-04 16:51:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 556 transitions. [2018-02-04 16:51:16,116 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 556 transitions. Word has length 101 [2018-02-04 16:51:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:16,116 INFO L432 AbstractCegarLoop]: Abstraction has 511 states and 556 transitions. [2018-02-04 16:51:16,116 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 16:51:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 556 transitions. [2018-02-04 16:51:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 16:51:16,117 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:16,117 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, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:16,117 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:16,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1444728977, now seen corresponding path program 1 times [2018-02-04 16:51:16,117 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:16,135 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:51:17,154 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:17,154 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:51:17,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:17,154 INFO L182 omatonBuilderFactory]: Interpolants [67085#true, 67087#(= 0 (select |#valid| 0)), 67086#false, 67089#(and (= main_~list~0.offset 0) (= 0 (select |#valid| 0)) (= 12 (select |#length| main_~list~0.base))), 67088#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 67091#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0)) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 67090#(and (= main_~list~0.offset 0) (= 0 (select |#valid| 0)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 67093#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0)) (= 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))) (= 1 (select |#valid| 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))), 67092#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 0 (select |#valid| 0)) (= 12 (select |#length| main_~end~0.base)) (= main_~list~0.offset |main_#t~malloc5.offset|)), 67095#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0)) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| 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))), 67094#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0)) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| 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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 67097#(or (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (or (not (= 0 main_~end~0.base)) (= 0 (select |#valid| 0))) (or (= 0 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 0)) main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base)))), 67096#(and (= 0 |main_#t~mem9.offset|) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~mem9.offset|) (= 0 (select |#valid| 0)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 67099#(or (and (= main_~list~0.offset 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.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (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))) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base)))), 67098#(or (and (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (not (= |main_#t~malloc14.base| 0)) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (not (= main_~list~0.base |main_#t~malloc14.base|)) (or (= 0 (select |#valid| main_~end~0.base)) (and (not (= 0 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)))) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base)))), 67101#(or (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base)))), 67100#(or (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.base |main_#t~mem16.base|)) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base)))), 67103#(or (and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))) (and (= main_~end~0.base main_~list~0.base) (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base)))), 67102#(and (= main_~list~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 67105#(and (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset) (= 12 (select |#length| main_~list~0.base))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1))) (= 1 (select |#valid| main_~end~0.base))), 67104#(and (or (and (= main_~end~0.base main_~list~0.base) (or (not (= main_~end~0.offset 0)) (= main_~end~0.offset main_~list~0.offset)) (<= 0 main_~end~0.offset) (= 12 (select |#length| main_~list~0.base))) (and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1))) (= 1 (select |#valid| main_~end~0.base))), 67107#(and (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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_#t~malloc5.base|)) main_~list~0.base) main_~list~0.offset)))), 67106#(and (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)))), 67109#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem7.base|))), 67108#(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_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 67111#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0))), 67110#(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)))), 67113#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 67112#(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 0)) main_~list~0.base) main_~list~0.offset) 0))), 67115#(not (= 0 main_~end~0.base)), 67114#(not (= |main_#t~mem31.base| 0)), 67116#(not (= main_~list~0.base 0))] [2018-02-04 16:51:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:51:17,154 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 16:51:17,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 16:51:17,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=854, Unknown=0, NotChecked=0, Total=992 [2018-02-04 16:51:17,155 INFO L87 Difference]: Start difference. First operand 511 states and 556 transitions. Second operand 32 states. [2018-02-04 16:51:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:19,320 INFO L93 Difference]: Finished difference Result 713 states and 780 transitions. [2018-02-04 16:51:19,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 16:51:19,320 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 101 [2018-02-04 16:51:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:19,321 INFO L225 Difference]: With dead ends: 713 [2018-02-04 16:51:19,321 INFO L226 Difference]: Without dead ends: 703 [2018-02-04 16:51:19,321 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1451 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1176, Invalid=3794, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 16:51:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2018-02-04 16:51:19,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 530. [2018-02-04 16:51:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-02-04 16:51:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 575 transitions. [2018-02-04 16:51:19,323 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 575 transitions. Word has length 101 [2018-02-04 16:51:19,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:19,324 INFO L432 AbstractCegarLoop]: Abstraction has 530 states and 575 transitions. [2018-02-04 16:51:19,324 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 16:51:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 575 transitions. [2018-02-04 16:51:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 16:51:19,324 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:19,325 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, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:19,325 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:19,325 INFO L82 PathProgramCache]: Analyzing trace with hash -137934669, now seen corresponding path program 2 times [2018-02-04 16:51:19,325 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:19,338 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:51:19,671 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:19,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 16:51:19,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:19,671 INFO L182 omatonBuilderFactory]: Interpolants [68439#false, 68438#true, 68441#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1)), 68440#(= (select |#valid| main_~list~0.base) 1), 68443#(and (= main_~list~0.offset 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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 68442#(and (= 0 |main_#t~malloc5.offset|) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|))), 68445#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= (select |#valid| main_~list~0.base) 1)), 68444#(and (= main_~list~0.offset 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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 68447#(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) (= (select |#valid| main_~list~0.base) 1)), 68446#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 68449#(and (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1)), 68448#(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)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 68451#(and (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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem7.base|))), 68450#(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_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 68453#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1)), 68452#(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))) (= (select |#valid| main_~list~0.base) 1)), 68455#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) 0))), 68454#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset) 0))), 68457#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0))), 68456#(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_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 68459#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem18.base|))), 68458#(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)))), 68461#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 68460#(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 0)) main_~list~0.base) main_~list~0.offset) 0))), 68463#(not (= main_~end~0.base 0)), 68462#(not (= |main_#t~mem31.base| 0)), 68464#(not (= main_~list~0.base 0))] [2018-02-04 16:51:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 16:51:19,671 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 16:51:19,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 16:51:19,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2018-02-04 16:51:19,672 INFO L87 Difference]: Start difference. First operand 530 states and 575 transitions. Second operand 27 states. [2018-02-04 16:51:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:20,779 INFO L93 Difference]: Finished difference Result 543 states and 585 transitions. [2018-02-04 16:51:20,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 16:51:20,780 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 101 [2018-02-04 16:51:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:20,780 INFO L225 Difference]: With dead ends: 543 [2018-02-04 16:51:20,780 INFO L226 Difference]: Without dead ends: 533 [2018-02-04 16:51:20,780 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=508, Invalid=2684, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 16:51:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-02-04 16:51:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 463. [2018-02-04 16:51:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-02-04 16:51:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 504 transitions. [2018-02-04 16:51:20,783 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 504 transitions. Word has length 101 [2018-02-04 16:51:20,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:20,783 INFO L432 AbstractCegarLoop]: Abstraction has 463 states and 504 transitions. [2018-02-04 16:51:20,783 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 16:51:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 504 transitions. [2018-02-04 16:51:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 16:51:20,783 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:20,783 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] [2018-02-04 16:51:20,783 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:20,784 INFO L82 PathProgramCache]: Analyzing trace with hash 438985067, now seen corresponding path program 2 times [2018-02-04 16:51:20,784 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:20,792 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 16:51:21,231 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:21,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 16:51:21,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:21,232 INFO L182 omatonBuilderFactory]: Interpolants [69537#(and (= 0 |main_#t~malloc5.offset|) (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.offset 0) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| main_~list~0.base))), 69536#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 69539#(and (= main_~list~0.offset 0) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| main_~list~0.base)) (not (= main_~end~0.base |main_#t~mem7.base|))), 69538#(and (= main_~list~0.offset 0) (= main_~list~0.base main_~end~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)) (= 12 (select |#length| main_~list~0.base))), 69541#(and (= main_~list~0.offset 0) (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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 69540#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 69543#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~list~0.base))), 69542#(and (= main_~list~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_#t~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| main_~list~0.base))), 69545#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset 0) (= 12 (select |#length| main_~list~0.base))), 69544#(and (= main_~list~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~list~0.base))), 69547#(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))) (and (or (not (= main_~end~0.offset 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))) (= (select |#length| main_~end~0.base) 12) (<= 0 main_~end~0.offset))), 69546#(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 0)) main_~list~0.base) main_~list~0.offset))) (and (or (not (= main_~end~0.offset 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))) (= (select |#length| main_~end~0.base) 12))), 69549#(or (= 0 (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 0) (<= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem22.offset|) (= 12 (select |#length| main_~list~0.base)))), 69548#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset) (= 12 (select |#length| main_~list~0.base)))), 69551#(and (= 0 (select (select |#memory_$Pointer$.offset| 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))), 69550#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 69553#(= 0 main_~end~0.offset), 69552#(and (= 0 (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))), 69554#(= 0 main_~list~0.offset), 69531#true, 69533#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 69532#false, 69535#(and (= main_~list~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 69534#(and (= main_~list~0.offset 0) (= 12 (select |#length| main_~list~0.base)))] [2018-02-04 16:51:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 16:51:21,232 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 16:51:21,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 16:51:21,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2018-02-04 16:51:21,232 INFO L87 Difference]: Start difference. First operand 463 states and 504 transitions. Second operand 24 states. [2018-02-04 16:51:22,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:22,272 INFO L93 Difference]: Finished difference Result 620 states and 679 transitions. [2018-02-04 16:51:22,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 16:51:22,272 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 101 [2018-02-04 16:51:22,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:22,273 INFO L225 Difference]: With dead ends: 620 [2018-02-04 16:51:22,273 INFO L226 Difference]: Without dead ends: 620 [2018-02-04 16:51:22,274 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=552, Invalid=1518, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 16:51:22,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2018-02-04 16:51:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 588. [2018-02-04 16:51:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2018-02-04 16:51:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 653 transitions. [2018-02-04 16:51:22,278 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 653 transitions. Word has length 101 [2018-02-04 16:51:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:22,278 INFO L432 AbstractCegarLoop]: Abstraction has 588 states and 653 transitions. [2018-02-04 16:51:22,278 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 16:51:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 653 transitions. [2018-02-04 16:51:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 16:51:22,279 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:22,279 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] [2018-02-04 16:51:22,279 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:22,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1306354746, now seen corresponding path program 5 times [2018-02-04 16:51:22,280 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:22,300 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:23,539 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 16:51:23,539 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:23,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 16:51:23,539 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:23,539 INFO L182 omatonBuilderFactory]: Interpolants [70807#true, 70809#(= |main_#t~malloc0.offset| 0), 70808#false, 70811#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 70810#(= 0 main_~list~0.offset), 70813#(and (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| 0) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 70812#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 70815#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 70814#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 70817#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 70816#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 70819#(and (= 12 (select |#length| |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.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_#t~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= |main_#t~malloc14.base| main_~end~0.base)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 70818#(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.offset 0) (= 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)) (= (select |#valid| main_~list~0.base) 1)), 70821#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= |main_#t~mem16.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_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 70820#(and (= 0 (select (select |#memory_$Pointer$.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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 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))), 70823#(or (<= (+ main_~end~0.offset 1) 0) (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 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (or (and (<= 1 main_~end~0.offset) (= (select |#length| main_~end~0.base) 12)) (= 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))), 70822#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem18.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem18.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem18.base|))), 70825#(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) (not (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base))), 70824#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (or (and (<= 1 main_~end~0.offset) (= (select |#length| main_~end~0.base) 12)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= 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| (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)) 0)) (= 1 (select |#valid| main_~end~0.base))), 70827#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~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)) 0)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 70826#(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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.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~malloc5.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~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= |main_#t~malloc5.base| 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~malloc5.base|)) (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 70829#(or (and (= 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)) 0)))) (= 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 (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (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))), 70828#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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 (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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)))) (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 |main_#t~mem7.base|))), 70831#(or (and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~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 0)) 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))), 70830#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.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~mem9.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)) 0)) (select (select |#memory_$Pointer$.offset| (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_#t~mem9.base|)) (not (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 70833#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 70832#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 70835#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 70834#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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)))), 70837#(or (and (= 0 |main_#t~mem27.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0))))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 70836#(or (and (= 0 (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 (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 70839#(= 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)))), 70838#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 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) 0)))))), 70841#(or (not (= 1 (select |#valid| main_~end~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 70840#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 70843#(= 1 (select |#valid| |main_#t~mem27.base|)), 70842#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 70844#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:51:23,539 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 16:51:23,540 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 16:51:23,540 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 16:51:23,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 16:51:23,540 INFO L87 Difference]: Start difference. First operand 588 states and 653 transitions. Second operand 38 states. [2018-02-04 16:51:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:27,461 INFO L93 Difference]: Finished difference Result 721 states and 795 transitions. [2018-02-04 16:51:27,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-02-04 16:51:27,461 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 102 [2018-02-04 16:51:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:27,462 INFO L225 Difference]: With dead ends: 721 [2018-02-04 16:51:27,462 INFO L226 Difference]: Without dead ends: 721 [2018-02-04 16:51:27,463 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2436 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1103, Invalid=7827, Unknown=0, NotChecked=0, Total=8930 [2018-02-04 16:51:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-02-04 16:51:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 631. [2018-02-04 16:51:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2018-02-04 16:51:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 702 transitions. [2018-02-04 16:51:27,466 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 702 transitions. Word has length 102 [2018-02-04 16:51:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:27,466 INFO L432 AbstractCegarLoop]: Abstraction has 631 states and 702 transitions. [2018-02-04 16:51:27,466 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 16:51:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 702 transitions. [2018-02-04 16:51:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 16:51:27,467 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:27,467 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] [2018-02-04 16:51:27,467 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:27,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1306354747, now seen corresponding path program 5 times [2018-02-04 16:51:27,467 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:27,477 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:28,714 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 16:51:28,715 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:28,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 16:51:28,715 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:28,715 INFO L182 omatonBuilderFactory]: Interpolants [72321#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 72320#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem9.offset| main_~list~0.offset)), 72323#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 72322#(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.offset 0) (= 0 main_~list~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)), 72325#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 72324#(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.offset 0) (= 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))), 72327#(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 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))), 72326#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem18.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 72329#(and (not (= main_~end~0.base |main_#t~malloc5.base|)) (or (and (= 0 |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.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~malloc5.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~malloc5.base|)) (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 12 (select |#length| |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~malloc5.base| main_~list~0.base) (= |main_#t~malloc5.offset| main_~list~0.offset)))), 72328#(and (= 0 (select (select |#memory_$Pointer$.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 |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base))), 72331#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (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_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) 0))))) (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 |main_#t~mem7.base|))), 72330#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (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_~end~0.base) (select (select |#memory_$Pointer$.offset| (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 (= (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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (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)))), 72333#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.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~mem9.base|)) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem9.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)) 0)) (select (select |#memory_$Pointer$.offset| (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_#t~mem9.base|)))), 72332#(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_~end~0.base) (select (select |#memory_$Pointer$.offset| (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 (= (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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~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))) (= 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)) 0)))) (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))), 72335#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 72334#(or (and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base main_~list~0.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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 72337#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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)))), 72336#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 72339#(or (and (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (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)))), 72338#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 72341#(or (and (= main_~end~0.offset 0) (= 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) 0)))) (= 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) 0)))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (not (= 1 (select |#valid| main_~end~0.base)))), 72340#(or (and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 72343#(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))))), 72342#(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))))) (not (= 1 (select |#valid| main_~end~0.base)))), 72345#(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))), 72344#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 72347#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 72346#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 72311#true, 72313#(= 0 |main_#t~malloc0.offset|), 72312#false, 72315#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 72314#(= 0 main_~list~0.offset), 72317#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 72316#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 72319#(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) (= 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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 72318#(and (= (select (select |#memory_$Pointer$.offset| 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) (= 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)))] [2018-02-04 16:51:28,715 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 16:51:28,716 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 16:51:28,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 16:51:28,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1222, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 16:51:28,716 INFO L87 Difference]: Start difference. First operand 631 states and 702 transitions. Second operand 37 states. [2018-02-04 16:51:32,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:32,614 INFO L93 Difference]: Finished difference Result 728 states and 803 transitions. [2018-02-04 16:51:32,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 16:51:32,614 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 102 [2018-02-04 16:51:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:32,615 INFO L225 Difference]: With dead ends: 728 [2018-02-04 16:51:32,615 INFO L226 Difference]: Without dead ends: 728 [2018-02-04 16:51:32,615 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1838 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=746, Invalid=6564, Unknown=0, NotChecked=0, Total=7310 [2018-02-04 16:51:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2018-02-04 16:51:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 633. [2018-02-04 16:51:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-02-04 16:51:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 704 transitions. [2018-02-04 16:51:32,618 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 704 transitions. Word has length 102 [2018-02-04 16:51:32,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:32,618 INFO L432 AbstractCegarLoop]: Abstraction has 633 states and 704 transitions. [2018-02-04 16:51:32,618 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 16:51:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 704 transitions. [2018-02-04 16:51:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 16:51:32,619 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:32,619 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] [2018-02-04 16:51:32,619 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:32,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1132694666, now seen corresponding path program 6 times [2018-02-04 16:51:32,620 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:32,633 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:33,633 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 16:51:33,633 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:33,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 16:51:33,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:33,634 INFO L182 omatonBuilderFactory]: Interpolants [73807#true, 73809#(= 0 |main_#t~malloc0.offset|), 73808#false, 73811#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 73810#(= 0 main_~list~0.offset), 73813#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 73812#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 73815#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 73814#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 73817#(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 0)) main_~list~0.base) 0)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 73816#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.offset|) (= (select |#valid| main_~list~0.base) 1)), 73819#(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) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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))), 73818#(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)) (= 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))), 73821#(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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 73820#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) 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~malloc5.base|)) main_~list~0.base) 0) 0))), 73823#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem9.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_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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~mem9.base|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0))), 73822#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) 0) 0)) (not (= main_~end~0.base |main_#t~mem7.base|))), 73825#(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) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0))), 73824#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 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 0)) main_~list~0.base) 0) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 73827#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (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_~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))) (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)))))), 73826#(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~malloc14.base|)) (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~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.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~malloc14.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~malloc14.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~malloc14.base|)) main_~list~0.base) |main_#t~malloc14.offset|) 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (= 1 (select |#valid| |main_#t~malloc14.base|)) (= |main_#t~malloc14.offset| main_~list~0.offset)), 73829#(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| (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))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 73828#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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)))), 73831#(or (and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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))), 73830#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.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~mem18.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)))))) (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~0.offset))), 73833#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (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)))))), 73832#(or (and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (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)))))), 73835#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 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)))))), 73834#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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))) (= 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)))))), 73837#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 73836#(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 (= 0 (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)))), 73839#(= 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)))), 73838#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 73841#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 73840#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 73843#(= 1 (select |#valid| main_~end~0.base)), 73842#(= 1 (select |#valid| |main_#t~mem27.base|))] [2018-02-04 16:51:33,634 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 16:51:33,634 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 16:51:33,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 16:51:33,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1208, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 16:51:33,634 INFO L87 Difference]: Start difference. First operand 633 states and 704 transitions. Second operand 37 states. [2018-02-04 16:51:37,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:37,596 INFO L93 Difference]: Finished difference Result 733 states and 809 transitions. [2018-02-04 16:51:37,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-04 16:51:37,596 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 102 [2018-02-04 16:51:37,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:37,597 INFO L225 Difference]: With dead ends: 733 [2018-02-04 16:51:37,597 INFO L226 Difference]: Without dead ends: 733 [2018-02-04 16:51:37,598 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2101 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1019, Invalid=7171, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 16:51:37,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2018-02-04 16:51:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 638. [2018-02-04 16:51:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-02-04 16:51:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 711 transitions. [2018-02-04 16:51:37,601 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 711 transitions. Word has length 102 [2018-02-04 16:51:37,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:37,601 INFO L432 AbstractCegarLoop]: Abstraction has 638 states and 711 transitions. [2018-02-04 16:51:37,601 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 16:51:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 711 transitions. [2018-02-04 16:51:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 16:51:37,602 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:37,602 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] [2018-02-04 16:51:37,602 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:37,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1132694665, now seen corresponding path program 6 times [2018-02-04 16:51:37,602 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:37,611 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:38,525 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 16:51:38,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:38,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 16:51:38,526 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:38,526 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 16:51:38,526 INFO L182 omatonBuilderFactory]: Interpolants [75329#(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 |main_#t~malloc5.base|))), 75328#(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)), 75331#(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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 75330#(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))), 75333#(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 0)) main_~list~0.base) main_~list~0.offset)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 75332#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.offset|) (= (select |#valid| main_~list~0.base) 1)), 75335#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset))), 75334#(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))), 75337#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 75336#(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))), 75339#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 75338#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem9.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_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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~mem9.base|)), 75341#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (or (and (= |main_#t~malloc14.base| main_~list~0.base) (= |main_#t~malloc14.offset| main_~list~0.offset)) (and (= 12 (select |#length| |main_#t~malloc14.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~malloc14.base|)) (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~malloc14.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~malloc14.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~malloc14.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~malloc14.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~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (= 0 |main_#t~malloc14.offset|) (not (= main_~list~0.base |main_#t~malloc14.base|))))), 75340#(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)), 75343#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (or (and (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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 (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 75342#(and (or (and (not (= main_~list~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)) (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))) (= 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)) (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)))), 75345#(or (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~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)) (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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.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)) (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 (= main_~list~0.base |main_#t~mem18.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~mem18.base|)))), 75344#(or (and (not (= main_~list~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)) (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))) (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_~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))), 75347#(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)) (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))))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 75346#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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))), 75349#(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)) (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))))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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)))), 75348#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| 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)) (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))))) (= 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)))))), 75351#(or (and (= 0 (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 (= 0 (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)))) (= 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)) (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))))))), 75350#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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)) (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))))) (= 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)))))), 75353#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (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)))))), 75352#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 75355#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 75354#(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))))), 75357#(and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| |main_#t~mem27.base|))), 75356#(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))), 75358#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 75323#true, 75325#(= 0 |main_#t~malloc0.offset|), 75324#false, 75327#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 75326#(= 0 main_~list~0.offset)] [2018-02-04 16:51:38,527 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 16:51:38,527 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 16:51:38,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 16:51:38,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 16:51:38,527 INFO L87 Difference]: Start difference. First operand 638 states and 711 transitions. Second operand 36 states. [2018-02-04 16:51:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:41,916 INFO L93 Difference]: Finished difference Result 734 states and 811 transitions. [2018-02-04 16:51:41,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 16:51:41,917 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 102 [2018-02-04 16:51:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:41,918 INFO L225 Difference]: With dead ends: 734 [2018-02-04 16:51:41,918 INFO L226 Difference]: Without dead ends: 734 [2018-02-04 16:51:41,918 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1465 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=655, Invalid=5507, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 16:51:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-02-04 16:51:41,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 595. [2018-02-04 16:51:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2018-02-04 16:51:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 662 transitions. [2018-02-04 16:51:41,922 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 662 transitions. Word has length 102 [2018-02-04 16:51:41,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:41,922 INFO L432 AbstractCegarLoop]: Abstraction has 595 states and 662 transitions. [2018-02-04 16:51:41,922 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 16:51:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 662 transitions. [2018-02-04 16:51:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 16:51:41,923 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:41,923 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] [2018-02-04 16:51:41,923 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:41,923 INFO L82 PathProgramCache]: Analyzing trace with hash 723635422, now seen corresponding path program 2 times [2018-02-04 16:51:41,924 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:41,931 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:42,783 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 16:51:42,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:42,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 16:51:42,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:42,784 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 16:51:42,784 INFO L182 omatonBuilderFactory]: Interpolants [76801#(and (or (not (= main_~end~0.offset 0)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 76800#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (not (= main_~end~0.offset 0)) (= 1 (select (store |#valid| main_~list~0.base 0) 0)))), 76803#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 76802#(and (or (not (= main_~list~0.offset 0)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 76805#(or (and (= 0 main_~end~0.base) (= 1 (select (store |#valid| main_~list~0.base 0) 0))) (not (= 0 main_~list~0.offset))), 76804#(or (not (= 0 main_~list~0.offset)) (and (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (= 0 |main_#t~mem29.base|))), 76806#(= 1 (select |#valid| main_~end~0.base)), 76775#false, 76774#true, 76777#(and (not (= 0 |main_#t~malloc0.base|)) (= (select |#valid| 0) 0)), 76776#(= (select |#valid| 0) 0), 76779#(and (= (select |#valid| 0) 0) (= (select |#valid| main_~list~0.base) 1)), 76778#(and (not (= 0 main_~list~0.base)) (= (select |#valid| 0) 0)), 76781#(and (= 0 |main_#t~malloc5.offset|) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= (select |#valid| 0) 0)), 76780#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base))), 76783#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 0) (= 1 (select |#valid| main_~end~0.base)) (= |main_#t~mem7.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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 76782#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| 0) 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))), 76785#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (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 0)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (= (select |#valid| 0) 0)))), 76784#(and (or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= (select |#valid| 0) 0)) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base))), 76787#(and (not (= 0 main_~list~0.base)) (or (and (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset 0) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) (not (= 0 |main_#t~malloc5.base|))) (= 1 (select |#valid| 0)))), 76786#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (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| 0) 0) (= (select |#valid| main_~end~0.base) 1)))), 76789#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (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 (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem7.base|))))), 76788#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (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 (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))))), 76791#(and (not (= 0 main_~list~0.base)) (or (and (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 0)) main_~list~0.base) main_~list~0.offset))) (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (= 1 (select |#valid| 0)))), 76790#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|))))), 76793#(and (not (= 0 main_~list~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (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 (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)) (or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 1 (select |#valid| 0)))), 76792#(and (not (= 0 main_~list~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| 0)))), 76795#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| 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))), 76794#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (= 1 (select |#valid| 0))) (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76797#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~end~0.base)) (= 1 (select |#valid| 0)))), 76796#(and (not (= 0 main_~list~0.base)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 |main_#t~mem27.base|)) (= 1 (select |#valid| 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~mem27.base|)), 76799#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) 0)) (not (= |main_#t~mem31.offset| 0)))), 76798#(and (not (= 0 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))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select |#valid| 0))))] [2018-02-04 16:51:42,784 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 16:51:42,784 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 16:51:42,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 16:51:42,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 16:51:42,784 INFO L87 Difference]: Start difference. First operand 595 states and 662 transitions. Second operand 33 states. [2018-02-04 16:51:44,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:44,825 INFO L93 Difference]: Finished difference Result 627 states and 693 transitions. [2018-02-04 16:51:44,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 16:51:44,826 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 102 [2018-02-04 16:51:44,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:44,827 INFO L225 Difference]: With dead ends: 627 [2018-02-04 16:51:44,827 INFO L226 Difference]: Without dead ends: 609 [2018-02-04 16:51:44,827 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=613, Invalid=4079, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 16:51:44,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2018-02-04 16:51:44,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 595. [2018-02-04 16:51:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2018-02-04 16:51:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 661 transitions. [2018-02-04 16:51:44,831 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 661 transitions. Word has length 102 [2018-02-04 16:51:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:44,831 INFO L432 AbstractCegarLoop]: Abstraction has 595 states and 661 transitions. [2018-02-04 16:51:44,831 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 16:51:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 661 transitions. [2018-02-04 16:51:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 16:51:44,831 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:44,831 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:44,831 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:44,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1813834379, now seen corresponding path program 3 times [2018-02-04 16:51:44,832 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:44,837 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:51:45,054 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:45,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:51:45,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:45,054 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 16:51:45,055 INFO L182 omatonBuilderFactory]: Interpolants [78113#(and (= 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_~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)))), 78112#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#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)))) (= 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)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 78115#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) |main_#t~mem31.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem31.base|) |main_#t~mem31.offset|))), 78114#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (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)))), 78117#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 78116#(and (= 0 (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))), 78119#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 78118#(and (= 0 |main_#t~mem31.offset|) (= 0 |main_#t~mem31.base|)), 78120#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base)), 78101#true, 78103#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base)), 78102#false, 78105#(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))), 78104#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.offset|)), 78107#(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)))), 78106#(and (= |main_#t~mem27.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~mem27.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)))), 78109#(and (= (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))) main_~end~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)), 78108#(and (= (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))) |main_#t~mem27.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~mem27.base|)), 78111#(and (= 0 (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)))) (= 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)))) (= |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))), 78110#(and (= 0 (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)))) (= 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)))))] [2018-02-04 16:51:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:51:45,055 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 16:51:45,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 16:51:45,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2018-02-04 16:51:45,055 INFO L87 Difference]: Start difference. First operand 595 states and 661 transitions. Second operand 20 states. [2018-02-04 16:51:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:45,963 INFO L93 Difference]: Finished difference Result 718 states and 797 transitions. [2018-02-04 16:51:45,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 16:51:45,964 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 103 [2018-02-04 16:51:45,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:45,964 INFO L225 Difference]: With dead ends: 718 [2018-02-04 16:51:45,965 INFO L226 Difference]: Without dead ends: 718 [2018-02-04 16:51:45,965 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=1007, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:51:45,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2018-02-04 16:51:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 641. [2018-02-04 16:51:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-02-04 16:51:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 717 transitions. [2018-02-04 16:51:45,968 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 717 transitions. Word has length 103 [2018-02-04 16:51:45,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:45,969 INFO L432 AbstractCegarLoop]: Abstraction has 641 states and 717 transitions. [2018-02-04 16:51:45,969 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 16:51:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 717 transitions. [2018-02-04 16:51:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 16:51:45,969 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:45,969 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:45,969 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:45,969 INFO L82 PathProgramCache]: Analyzing trace with hash -236929621, now seen corresponding path program 1 times [2018-02-04 16:51:45,970 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:45,978 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:51:46,226 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:46,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 16:51:46,226 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:46,227 INFO L182 omatonBuilderFactory]: Interpolants [79521#(and (= main_~list~0.offset 0) (or (= ~unnamed0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8))) (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))))), 79520#(and (= main_~list~0.offset 0) (or (= ~unnamed0~RED (select (select |#memory_int| |main_#t~mem31.base|) (+ main_~list~0.offset 8))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= |main_#t~mem31.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 79523#(or (<= 1 main_~list~0.offset) (<= (+ main_~list~0.offset 1) 0) (= ~unnamed0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 79522#(or (not (= main_~end~0.offset 0)) (= ~unnamed0~RED (select (select |#memory_int| main_~end~0.base) (+ 0 8)))), 79525#(not (= 0 main_~list~0.offset)), 79524#(or (not (= 0 main_~list~0.offset)) (and (= |main_#t~mem28| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= ~unnamed0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))), 79509#true, 79511#(= 0 |main_#t~malloc0.offset|), 79510#false, 79513#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 79512#(= main_~list~0.offset 0), 79515#(and (= main_~list~0.offset 0) (or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.offset main_~end~0.offset))) (or (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 79514#(and (= main_~list~0.offset 0) (= |main_#t~mem27.base| (select (select |#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~mem27.offset|)), 79517#(and (or (not (= main_~list~0.offset main_~end~0.offset)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem24|))) (= main_~list~0.offset 0) (or (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)))), 79516#(and (= main_~list~0.offset 0) (or (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))) (or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.offset main_~end~0.offset)))), 79519#(and (= main_~list~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= ~unnamed0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~list~0.offset 8))))), 79518#(and (= main_~list~0.offset 0) (or (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))) (or (not (= main_~list~0.offset main_~end~0.offset)) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))))] [2018-02-04 16:51:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:51:46,227 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 16:51:46,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 16:51:46,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2018-02-04 16:51:46,227 INFO L87 Difference]: Start difference. First operand 641 states and 717 transitions. Second operand 17 states. [2018-02-04 16:51:46,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:46,721 INFO L93 Difference]: Finished difference Result 717 states and 806 transitions. [2018-02-04 16:51:46,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 16:51:46,721 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 103 [2018-02-04 16:51:46,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:46,722 INFO L225 Difference]: With dead ends: 717 [2018-02-04 16:51:46,722 INFO L226 Difference]: Without dead ends: 686 [2018-02-04 16:51:46,722 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=941, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 16:51:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-02-04 16:51:46,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 662. [2018-02-04 16:51:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-02-04 16:51:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 754 transitions. [2018-02-04 16:51:46,726 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 754 transitions. Word has length 103 [2018-02-04 16:51:46,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:46,726 INFO L432 AbstractCegarLoop]: Abstraction has 662 states and 754 transitions. [2018-02-04 16:51:46,726 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 16:51:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 754 transitions. [2018-02-04 16:51:46,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-02-04 16:51:46,726 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:46,726 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:46,726 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:46,727 INFO L82 PathProgramCache]: Analyzing trace with hash -827269681, now seen corresponding path program 4 times [2018-02-04 16:51:46,727 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:46,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:47,110 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:47,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 16:51:47,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:47,111 INFO L182 omatonBuilderFactory]: Interpolants [80939#true, 80941#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0) (= 12 (select |#length| |main_#t~malloc0.base|))), 80940#false, 80943#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| main_~list~0.base))), 80942#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 80945#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 80944#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 12 (select |#length| main_~list~0.base))), 80947#(and (<= (select |#length| main_~list~0.base) 12) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem27.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) 0) |main_#t~mem27.offset|) (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) 0))), 80946#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset 0) (= (select |#length| main_~end~0.base) 12) (= (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))), 80949#(and (not (= 0 main_~list~0.base)) (or (= 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))) (or (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_~end~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (and (not (= main_~end~0.offset 0)) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))))), 80948#(and (not (= 0 main_~list~0.base)) (or (= 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))) (or (not (= main_~end~0.base main_~list~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0) main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) 0))) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))))), 80951#(and (not (= 0 main_~list~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 80950#(and (not (= 0 main_~list~0.base)) (or (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_~end~0.offset)))) (not (= main_~end~0.base main_~list~0.base)) (and (not (= main_~end~0.offset 0)) (<= main_~end~0.offset 0))) (or (= main_~end~0.base main_~list~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))))), 80953#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 |main_#t~mem27.base|)))), 80952#(and (not (= 0 main_~list~0.base)) (or (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 80955#(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)))), 80954#(and (not (= 0 main_~list~0.base)) (or (not (= 0 main_~end~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 80957#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) main_~end~0.base))), 80956#(and (not (= 0 main_~list~0.base)) (= 1 (select (store |#valid| main_~list~0.base 0) |main_#t~mem31.base|))), 80959#(= 1 (select |#valid| main_~list~0.base)), 80958#(= 1 (select |#valid| main_~end~0.base))] [2018-02-04 16:51:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:47,111 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 16:51:47,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 16:51:47,111 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 16:51:47,111 INFO L87 Difference]: Start difference. First operand 662 states and 754 transitions. Second operand 21 states. [2018-02-04 16:51:47,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:47,908 INFO L93 Difference]: Finished difference Result 691 states and 785 transitions. [2018-02-04 16:51:47,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 16:51:47,909 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 103 [2018-02-04 16:51:47,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:47,909 INFO L225 Difference]: With dead ends: 691 [2018-02-04 16:51:47,909 INFO L226 Difference]: Without dead ends: 691 [2018-02-04 16:51:47,910 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=330, Invalid=1310, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 16:51:47,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2018-02-04 16:51:47,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 662. [2018-02-04 16:51:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-02-04 16:51:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 752 transitions. [2018-02-04 16:51:47,912 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 752 transitions. Word has length 103 [2018-02-04 16:51:47,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:47,912 INFO L432 AbstractCegarLoop]: Abstraction has 662 states and 752 transitions. [2018-02-04 16:51:47,912 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 16:51:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 752 transitions. [2018-02-04 16:51:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 16:51:47,913 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:47,913 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:47,913 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:47,913 INFO L82 PathProgramCache]: Analyzing trace with hash 394290288, now seen corresponding path program 3 times [2018-02-04 16:51:47,914 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:47,921 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:51:49,504 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:49,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 16:51:49,504 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:49,504 INFO L182 omatonBuilderFactory]: Interpolants [82369#(and (not (= 0 main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0) |old(#valid)|) (not (= main_~list~0.base |main_#t~mem18.base|))), 82368#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= 0 main_~list~0.base)) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset))) (= |old(#valid)| (store (store (store |#valid| main_~list~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset) 0)) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) 0)))), 82371#(and (not (= 0 main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0) |old(#valid)|)), 82370#(and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base main_~list~0.base)) (= (store (store (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 0)) main_~list~0.base) main_~list~0.offset) 0) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0) 0) |old(#valid)|) (not (= 0 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 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 0)) main_~list~0.base) main_~list~0.offset)))), 82373#(and (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= |main_#t~mem27.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))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)))), 82372#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~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)) 0))) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0) 0) |old(#valid)|)), 82375#(and (= (store (store (store |#valid| main_~list~0.base 0) |main_#t~mem31.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~mem31.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0))) (= |main_#t~mem31.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem31.base|) 0)))), 82374#(and (not (= 0 main_~list~0.base)) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 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))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))), 82377#(and (or (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= main_~list~0.offset 0))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) 0)))), 82376#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (= |old(#valid)| (store (store |#valid| main_~end~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0))), 82379#(or (not (= 0 main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (= (store (store |#valid| main_~list~0.base 0) |main_#t~mem31.base| 0) |old(#valid)|) (not (= main_~list~0.base |main_#t~mem31.base|)))), 82378#(or (not (= 0 main_~list~0.offset)) (and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 82381#(= (store |#valid| main_~end~0.base 0) |old(#valid)|), 82380#(or (not (= 0 main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) main_~end~0.base 0)))), 82383#(and (or (not (= 0 main_~list~0.base)) (not (= 0 main_~list~0.offset))) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 82382#(= (store |#valid| main_~list~0.base 0) |old(#valid)|), 82353#true, 82355#(= |#valid| |old(#valid)|), 82354#false, 82357#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|)), 82356#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 82359#(and (= main_~end~0.base (@diff |#valid| (store |#valid| main_~list~0.base 0))) (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 82358#(and (not (= 0 main_~list~0.base)) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 82361#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 82360#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= |main_#t~malloc5.offset| 0) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |old(#valid)| (store (store |#valid| main_~list~0.base 0) |main_#t~malloc5.base| 0))), 82363#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 82362#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) |old(#valid)|) (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 82365#(and (= (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (not (= 0 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)) (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) (= (select |#valid| main_~list~0.base) 1)), 82364#(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 0)) main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~list~0.base)) (= main_~end~0.offset 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 0)) main_~list~0.base) main_~list~0.offset))) (= (store (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 0)) main_~list~0.base) main_~list~0.offset) 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 82367#(and (not (= 0 main_~list~0.base)) (= (store (store (store |#valid| main_~list~0.base 0) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) |old(#valid)|) (= main_~end~0.offset 0) (= 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))) (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) 0)))), 82366#(and (not (= 0 main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset)) (= (store (store (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_#t~malloc14.base|)) main_~list~0.base) main_~list~0.offset) 0) |main_#t~malloc14.base| 0) |old(#valid)|))] [2018-02-04 16:51:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 16:51:49,504 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 16:51:49,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 16:51:49,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2018-02-04 16:51:49,505 INFO L87 Difference]: Start difference. First operand 662 states and 752 transitions. Second operand 31 states. [2018-02-04 16:51:50,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:50,717 INFO L93 Difference]: Finished difference Result 670 states and 759 transitions. [2018-02-04 16:51:50,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 16:51:50,717 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 104 [2018-02-04 16:51:50,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:50,718 INFO L225 Difference]: With dead ends: 670 [2018-02-04 16:51:50,718 INFO L226 Difference]: Without dead ends: 614 [2018-02-04 16:51:50,718 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=221, Invalid=2329, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 16:51:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-02-04 16:51:50,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 614. [2018-02-04 16:51:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-02-04 16:51:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 703 transitions. [2018-02-04 16:51:50,723 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 703 transitions. Word has length 104 [2018-02-04 16:51:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:50,723 INFO L432 AbstractCegarLoop]: Abstraction has 614 states and 703 transitions. [2018-02-04 16:51:50,723 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 16:51:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 703 transitions. [2018-02-04 16:51:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 16:51:50,724 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:50,724 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:50,724 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:50,724 INFO L82 PathProgramCache]: Analyzing trace with hash -649991266, now seen corresponding path program 3 times [2018-02-04 16:51:50,725 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:50,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:51,982 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 16:51:51,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:51,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 16:51:51,983 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:51,983 INFO L182 omatonBuilderFactory]: Interpolants [83713#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 83712#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 83715#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 83714#(and (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| 0) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 83717#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1)), 83716#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 83719#(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.offset 0) (= 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)) (= (select |#valid| main_~list~0.base) 1)), 83718#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 83721#(and (= 0 (select (select |#memory_$Pointer$.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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 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))), 83720#(and (= 12 (select |#length| |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 0 |main_#t~malloc14.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_#t~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= |main_#t~malloc14.base| main_~end~0.base)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 83723#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem18.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem18.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem18.base|))), 83722#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= |main_#t~mem16.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_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 83725#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (or (and (<= 1 main_~end~0.offset) (= (select |#length| main_~end~0.base) 12)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= 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| (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)) 0)) (= 1 (select |#valid| main_~end~0.base))), 83724#(or (<= (+ main_~end~0.offset 1) 0) (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 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) (or (and (<= 1 main_~end~0.offset) (= (select |#length| main_~end~0.base) 12)) (= 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))), 83727#(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~malloc5.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.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~malloc5.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~malloc5.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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (not (= |main_#t~malloc5.base| 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~malloc5.base|)) (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 83726#(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) (not (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base))), 83729#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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 (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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)))) (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 |main_#t~mem7.base|))), 83728#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~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)) 0)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 83731#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.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~mem9.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)) 0)) (select (select |#memory_$Pointer$.offset| (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_#t~mem9.base|)) (not (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))), 83730#(or (and (= 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)) 0)))) (= 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 (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (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))), 83733#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 83732#(or (and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~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 0)) 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))), 83735#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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)))), 83734#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 83737#(or (and (= 0 (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 (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 83736#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 83739#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 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) 0)))))), 83738#(or (and (= 0 |main_#t~mem27.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0))))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 83741#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 83740#(= 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)))), 83743#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 83742#(or (not (= 1 (select |#valid| main_~end~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 83745#(= 1 (select |#valid| main_~end~0.base)), 83744#(= 1 (select |#valid| |main_#t~mem25.base|)), 83709#false, 83708#true, 83711#(= 0 main_~list~0.offset), 83710#(= |main_#t~malloc0.offset| 0)] [2018-02-04 16:51:51,984 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 16:51:51,984 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 16:51:51,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 16:51:51,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 16:51:51,984 INFO L87 Difference]: Start difference. First operand 614 states and 703 transitions. Second operand 38 states. [2018-02-04 16:51:55,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:51:55,587 INFO L93 Difference]: Finished difference Result 778 states and 885 transitions. [2018-02-04 16:51:55,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 16:51:55,588 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 104 [2018-02-04 16:51:55,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:51:55,589 INFO L225 Difference]: With dead ends: 778 [2018-02-04 16:51:55,589 INFO L226 Difference]: Without dead ends: 778 [2018-02-04 16:51:55,589 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2139 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=981, Invalid=7029, Unknown=0, NotChecked=0, Total=8010 [2018-02-04 16:51:55,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-02-04 16:51:55,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 659. [2018-02-04 16:51:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-02-04 16:51:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 753 transitions. [2018-02-04 16:51:55,594 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 753 transitions. Word has length 104 [2018-02-04 16:51:55,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:51:55,595 INFO L432 AbstractCegarLoop]: Abstraction has 659 states and 753 transitions. [2018-02-04 16:51:55,595 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 16:51:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 753 transitions. [2018-02-04 16:51:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 16:51:55,595 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:51:55,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:51:55,596 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:51:55,596 INFO L82 PathProgramCache]: Analyzing trace with hash -649991265, now seen corresponding path program 3 times [2018-02-04 16:51:55,596 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:51:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:51:55,607 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:51:56,755 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 16:51:56,755 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:51:56,755 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 16:51:56,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:51:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:51:56,756 INFO L182 omatonBuilderFactory]: Interpolants [85313#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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)))), 85312#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 85315#(or (and (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (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)))), 85314#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 85317#(or (and (= main_~end~0.offset 0) (= 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) 0)))) (= 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) 0)))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (not (= 1 (select |#valid| main_~end~0.base)))), 85316#(or (and (= 0 |main_#t~mem27.offset|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) 0)))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 85319#(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))))), 85318#(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))))) (not (= 1 (select |#valid| main_~end~0.base)))), 85321#(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))), 85320#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 85323#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 85322#(and (= 0 |main_#t~mem25.offset|) (= 12 (select |#length| |main_#t~mem25.base|))), 85287#true, 85289#(= 0 |main_#t~malloc0.offset|), 85288#false, 85291#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 85290#(= 0 main_~list~0.offset), 85293#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 85292#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 85295#(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) (= 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)) (not (= main_~end~0.base |main_#t~mem7.base|))), 85294#(and (= (select (select |#memory_$Pointer$.offset| 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) (= 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))), 85297#(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 0)) main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 85296#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|) (= |main_#t~mem9.offset| 0) (= (select |#valid| main_~list~0.base) 1) (= |main_#t~mem9.offset| main_~list~0.offset)), 85299#(and (not (= main_~end~0.base |main_#t~malloc14.base|)) (= main_~end~0.offset 0) (= 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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc14.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~malloc14.base|)) main_~list~0.base) main_~list~0.offset))), 85298#(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.offset 0) (= 0 main_~list~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)), 85301#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset))), 85300#(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.offset 0) (= 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))), 85303#(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 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))), 85302#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem18.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem18.base|)) (= |main_#t~mem18.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 85305#(and (not (= main_~end~0.base |main_#t~malloc5.base|)) (or (and (= 0 |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.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~malloc5.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~malloc5.base|)) (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)) 0)) (= 12 (select |#length| |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| (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~malloc5.base|)) main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~malloc5.base| main_~list~0.base) (= |main_#t~malloc5.offset| main_~list~0.offset)))), 85304#(and (= 0 (select (select |#memory_$Pointer$.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 |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| main_~end~0.base))), 85307#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) main_~list~0.base) main_~list~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.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))) (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_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) 0))))) (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 |main_#t~mem7.base|))), 85306#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (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_~end~0.base) (select (select |#memory_$Pointer$.offset| (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 (= (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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (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)))), 85309#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.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~mem9.base|)) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem9.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)) 0)) (select (select |#memory_$Pointer$.offset| (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_#t~mem9.base|)))), 85308#(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_~end~0.base) (select (select |#memory_$Pointer$.offset| (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 (= (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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~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))) (= 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)) 0)))) (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))), 85311#(or (and (= 0 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 85310#(or (and (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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base main_~list~0.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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))] [2018-02-04 16:51:56,756 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 16:51:56,756 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 16:51:56,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 16:51:56,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1222, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 16:51:56,757 INFO L87 Difference]: Start difference. First operand 659 states and 753 transitions. Second operand 37 states. [2018-02-04 16:52:00,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:52:00,487 INFO L93 Difference]: Finished difference Result 786 states and 893 transitions. [2018-02-04 16:52:00,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 16:52:00,487 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 104 [2018-02-04 16:52:00,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:52:00,488 INFO L225 Difference]: With dead ends: 786 [2018-02-04 16:52:00,488 INFO L226 Difference]: Without dead ends: 786 [2018-02-04 16:52:00,489 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1740 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=711, Invalid=6261, Unknown=0, NotChecked=0, Total=6972 [2018-02-04 16:52:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-02-04 16:52:00,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 661. [2018-02-04 16:52:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-02-04 16:52:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 754 transitions. [2018-02-04 16:52:00,492 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 754 transitions. Word has length 104 [2018-02-04 16:52:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:52:00,492 INFO L432 AbstractCegarLoop]: Abstraction has 661 states and 754 transitions. [2018-02-04 16:52:00,492 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 16:52:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 754 transitions. [2018-02-04 16:52:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 16:52:00,493 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:52:00,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:52:00,493 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:52:00,493 INFO L82 PathProgramCache]: Analyzing trace with hash 475667418, now seen corresponding path program 4 times [2018-02-04 16:52:00,494 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:52:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:52:00,508 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 16:52:01,497 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 16:52:01,497 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 16:52:01,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 16:52:01,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 16:52:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 16:52:01,498 INFO L182 omatonBuilderFactory]: Interpolants [86865#true, 86867#(= 0 |main_#t~malloc0.offset|), 86866#false, 86869#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 86868#(= 0 main_~list~0.offset), 86871#(and (= 0 |main_#t~malloc5.offset|) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))), 86870#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 86873#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem7.base|))), 86872#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 86875#(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 0)) main_~list~0.base) 0)) (= 0 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 0)) main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 86874#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) |main_#t~mem9.base|) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.offset|) (= (select |#valid| main_~list~0.base) 1)), 86877#(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) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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))), 86876#(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)) (= 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))), 86879#(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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86878#(and (not (= main_~list~0.base |main_#t~malloc5.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~malloc5.offset|)) main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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~malloc5.base|)) 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~malloc5.base|)) main_~list~0.base) 0) 0))), 86881#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem9.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_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.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~mem9.base|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0))), 86880#(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 (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.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~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.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)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~end~0.base)) main_~list~0.base) 0) 0)) (not (= main_~end~0.base |main_#t~mem7.base|))), 86883#(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) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0))), 86882#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset))) (= 0 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 0)) main_~list~0.base) 0) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) main_~list~0.base) main_~list~0.offset)) 1)), 86885#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (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_~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))) (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)))))), 86884#(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~malloc14.base|)) (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~malloc14.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~malloc14.offset|)) main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc14.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~malloc14.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~malloc14.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~malloc14.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~malloc14.base|)) main_~list~0.base) |main_#t~malloc14.offset|) 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~malloc14.base|)) main_~list~0.base) main_~list~0.offset) |main_#t~malloc14.base|)) (= 1 (select |#valid| |main_#t~malloc14.base|)) (= |main_#t~malloc14.offset| main_~list~0.offset)), 86887#(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| (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))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 86886#(and (not (= main_~end~0.base |main_#t~mem16.base|)) (not (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) main_~end~0.offset))) (or (and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~end~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.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~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem16.base| (store (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem16.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 4) main_~end~0.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)))), 86889#(or (and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset 0)) 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 0)) 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))), 86888#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.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~mem18.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)))))) (and (= |main_#t~mem18.base| main_~list~0.base) (= |main_#t~mem18.offset| main_~list~0.offset))), 86891#(or (and (= |main_#t~mem22.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) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (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)))))), 86890#(or (and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~end~0.offset) 0))) (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)))))), 86893#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 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)))))), 86892#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (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))) (= 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)))))), 86895#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))), 86894#(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 (= 0 (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)))), 86897#(= 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)))), 86896#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 86899#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 86898#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 86901#(= 1 (select |#valid| main_~end~0.base)), 86900#(= 1 (select |#valid| |main_#t~mem25.base|))] [2018-02-04 16:52:01,498 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 16:52:01,498 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 16:52:01,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 16:52:01,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1208, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 16:52:01,499 INFO L87 Difference]: Start difference. First operand 661 states and 754 transitions. Second operand 37 states. [2018-02-04 16:52:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 16:52:05,347 INFO L93 Difference]: Finished difference Result 786 states and 893 transitions. [2018-02-04 16:52:05,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-02-04 16:52:05,348 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 104 [2018-02-04 16:52:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 16:52:05,349 INFO L225 Difference]: With dead ends: 786 [2018-02-04 16:52:05,349 INFO L226 Difference]: Without dead ends: 786 [2018-02-04 16:52:05,349 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2055 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1001, Invalid=7009, Unknown=0, NotChecked=0, Total=8010 [2018-02-04 16:52:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-02-04 16:52:05,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 668. [2018-02-04 16:52:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2018-02-04 16:52:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 762 transitions. [2018-02-04 16:52:05,353 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 762 transitions. Word has length 104 [2018-02-04 16:52:05,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 16:52:05,353 INFO L432 AbstractCegarLoop]: Abstraction has 668 states and 762 transitions. [2018-02-04 16:52:05,353 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 16:52:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 762 transitions. [2018-02-04 16:52:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 16:52:05,353 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 16:52:05,353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 16:52:05,353 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 16:52:05,354 INFO L82 PathProgramCache]: Analyzing trace with hash 475667419, now seen corresponding path program 4 times [2018-02-04 16:52:05,354 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 16:52:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 16:52:05,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-02-04 16:52:06,036 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 16:52:06,039 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 16:52:06,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 04:52:06 BoogieIcfgContainer [2018-02-04 16:52:06,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 16:52:06,040 INFO L168 Benchmark]: Toolchain (without parser) took 181530.26 ms. Allocated memory was 392.2 MB in the beginning and 1.2 GB in the end (delta: 791.2 MB). Free memory was 349.0 MB in the beginning and 586.3 MB in the end (delta: -237.2 MB). Peak memory consumption was 553.9 MB. Max. memory is 5.3 GB. [2018-02-04 16:52:06,041 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 392.2 MB. Free memory is still 355.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 16:52:06,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.47 ms. Allocated memory is still 392.2 MB. Free memory was 349.0 MB in the beginning and 337.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-02-04 16:52:06,041 INFO L168 Benchmark]: Boogie Preprocessor took 32.40 ms. Allocated memory is still 392.2 MB. Free memory was 337.0 MB in the beginning and 334.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 16:52:06,041 INFO L168 Benchmark]: RCFGBuilder took 442.50 ms. Allocated memory is still 392.2 MB. Free memory was 334.4 MB in the beginning and 295.2 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 5.3 GB. [2018-02-04 16:52:06,041 INFO L168 Benchmark]: TraceAbstraction took 180877.87 ms. Allocated memory was 392.2 MB in the beginning and 1.2 GB in the end (delta: 791.2 MB). Free memory was 295.2 MB in the beginning and 586.3 MB in the end (delta: -291.1 MB). Peak memory consumption was 500.1 MB. Max. memory is 5.3 GB. [2018-02-04 16:52:06,042 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 392.2 MB. Free memory is still 355.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 174.47 ms. Allocated memory is still 392.2 MB. Free memory was 349.0 MB in the beginning and 337.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.40 ms. Allocated memory is still 392.2 MB. Free memory was 337.0 MB in the beginning and 334.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 442.50 ms. Allocated memory is still 392.2 MB. Free memory was 334.4 MB in the beginning and 295.2 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 180877.87 ms. Allocated memory was 392.2 MB in the beginning and 1.2 GB in the end (delta: 791.2 MB). Free memory was 295.2 MB in the beginning and 586.3 MB in the end (delta: -291.1 MB). Peak memory consumption was 500.1 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 free always succeeds (line 1052). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1059). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1051). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1058). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1052). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1059). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1058). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1051). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1053). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 991]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 991). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1053). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was analyzing trace of length 105 with TraceHistMax 3, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 26 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 149 locations, 61 error locations. TIMEOUT Result, 180.8s OverallTime, 99 OverallIterations, 4 TraceHistogramMax, 128.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8973 SDtfs, 47209 SDslu, 95263 SDs, 0 SdLazy, 134370 SolverSat, 10385 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 54.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4873 GetRequests, 371 SyntacticMatches, 185 SemanticMatches, 4317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64526 ImplicationChecksByTransitivity, 101.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=668occurred in iteration=98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 129/2541 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, 98 MinimizatonAttempts, 5355 StatesRemovedByMinimization, 95 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 48.0s InterpolantComputationTime, 7593 NumberOfCodeBlocks, 7593 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 7495 ConstructedInterpolants, 0 QuantifiedInterpolants, 18165821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 14 PerfectInterpolantSequences, 129/2541 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-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_16-52-06-047.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_16-52-06-047.csv Completed graceful shutdown